Dell Alienware m16 R2 vs Dell Alienware x15 R1 Comparison

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Dell Alienware m16 R2

16 inches | January 2024

Speed 5.5

Size 7

Display 6.5

Gaming 3.5

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Dell Alienware x15 R1

15.6 inches | June 2021

Speed 4

Size 7.5

Display 5

Gaming 3.5

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Dell Alienware m16 R2 vs Dell Alienware x15 R1 Comparison Overview

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In this review, we will be comparing Alienware m16 R2 and Alienware x15 R1, two laptops by Dell. Dell Alienware m16 R2 was introduced to market in January 2024 and Dell Alienware x15 R1 was launched in June 2021. As you can see, Alienware x15 R1 is 3 years older than Alienware m16 R2. Let's see if this age difference between two laptops makes a big difference.

Click for Available Configurations of the Laptops

Alienware m16 R2 and Alienware x15 R1 are members of Dell's Alienware series of laptops. Below you can find the latest models from this series.

Dell Alienware Series History

	Release Date	Screen Size	Dimensions	Weight
Dell Alienware m18 R2	January 2024	18.0"	410.3 x 319.9 x 24.1-25.1 mm	4.23 kg (9.33 lbs)
Dell Alienware m16 R2	January 2024	16.0"	363.9 x 249.4 x 19.9-23.5 mm	2.6 kg (5.73 lbs)
Dell Alienware x16 R2	January 2024	16.0"	364.74 x 289.81 x 18.57 mm	2.66 kg (5.87 lbs)
Dell Alienware X16	January 2023	16.0"	364.74 x 289.81 x 18.57 mm	2.72 kg (6 lbs)
Dell Alienware m16	January 2023	16.0"	368.9 x 289.9 x 23-25.4 mm	3 kg (6.62 lbs)
Dell Alienware m18	January 2023	18.0"	410.3 x 319.9 x 24.1-26.7 mm	4.23 kg (9.33 lbs)
Dell Alienware x14 R2	January 2023	14.0"	321.08 x 260.41 x 14.5 mm	2 kg (4.41 lbs)
Dell Alienware m15 R7	January 2022	15.6"	356.2 x 272.5 x 12.9-20.6 mm	2.42 kg (5.34 lbs)

Here is a brief look at the main features of Dell Alienware m16 R2 and Dell Alienware x15 R1 before getting into our more detailed comparison.

Dell Alienware m16 R2 Key Specs

Launched in January 2024
16.0" IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core Ultra 7 155H
GPU: GeForce RTX 4050 Mobile 6GB
8GB Ram
363.9 x 249.4 x 19.9-23.5 mm (14.33 x 9.82 x 0.78-0.93 inches)
Weight: 2.6 kg (5.73 lbs)

Dell Alienware x15 R1 Key Specs

Launched in June 2021
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core i7 11800H
GPU: GeForce RTX 3060 Mobile 6GB
16GB Ram
359.7 x 277.2 x 16.3 mm (14.16 x 10.91 x 0.64 inches)
Weight: 2.27 kg (5.01 lbs)

Let's read on the following sections in order to better understand in detail how Alienware m16 R2 and Alienware x15 R1 compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Dell Alienware m16 R2 over Dell Alienware x15 R1

Screen-to-Body Ratio	~81.8% vs ~67.3%	Larger screen area ratio
Display Size	16 inches vs 15.6 inches	Larger Screen Estate
Refresh Rate	240 Hz vs 165 Hz	Smoother media experience
Screen PPI	189 ppi vs 141 ppi	More pixels per inch
Screen Resolution	2560 x 1600 pixels vs 1920 x 1080 pixels	Higher pixel count screen
Response Time	3 ms vs 19 ms	Faster Response screen
CPU Fabrication Process	7 nm vs 10 nm	Newer Generation CPU
GPU Fabrication Process	4 nm vs 8 nm	Newer Generation GPU
RAM Type	DDR5 vs DDR4	Faster RAM Type
Upgradable RAM	Yes vs No	More RAM Options
Dolby Atmos Speakers	Yes vs No	3D Surround Sound Support
WiFi Standard	v7 vs v6	More advanced Wi-fi connectivity
Bluetooth	v5.4 vs v5.2	More advanced Bluetooth connectivity
Webcam Resolution	1920 x 1080 vs 1280 x 720	Higher Resolution Camera
Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2	Connect more device at the same time
Display Port	Yes vs No	Option to use Display port to connect to external monitors
Ethernet RJ45 Port	Yes vs No	Connects to the local network via Ethernet RJ45
Touchpad Size	11.5 x 7.0 cm vs 10.5 x 6.8 cm	Larger Touchpad Area
Key Travel	1.8 mm vs 1.5 mm	Better typing feel

Reasons to choose Dell Alienware x15 R1 over Dell Alienware m16 R2

Weight	2.27 kg vs 2.60 kg	0.33 kg lighter
Side Bezel Thickness	7.2 mm vs 9.6 mm	2.4 mm thinner bezels
GPU FLOPS	11.8 TFLOPS vs 6.8-9.5 TFLOPS

Common Strengths of Dell Alienware x15 R1 and Dell Alienware m16 R2

Launch Dates	January 2024 vs June 2021	Both laptops are recent models
Screen Coating	Matte vs Matte	Less reflections on the screen
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
USB Power Delivery	Yes vs Yes	Charging via USB port gives flexibility
RAM Type	DDR5 vs DDR4	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Thunderbolt Port	v4 vs v4	Fast data and power transfer via Thunderbolt Port
HDMI Output	1x HDMI 2.1 vs 1x HDMI 2.1	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of Dell Alienware x15 R1 and Dell Alienware m16 R2

Touchscreen Capability	No vs No	No Touchscreen Capability
HDR Support	No vs No	No HDR Support
Fingerprint Sensor	No vs No	No fingerprint login feature

Dell Alienware m16 R2 vs Dell Alienware x15 R1: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Dell Alienware m16 R2 and the Dell Alienware x15 R1.

Physical Specs
Weight	2.6 kg (5.73 lbs)	2.27 kg (5.01 lbs)
Surface Area	908 cm2 (140.7 inches2)	997 cm2 (154.5 inches2)
Screen to Surface Ratio	~81.8%	~67.3%
Side Bezel Thickness	~9.6 mm	~7.2 mm
Weight per Inch of Screen	0.16 kg/inch	0.15 kg/inch
	0.352 lbs/inch	0.33 lbs/inch
Colors	Black	Silver
Cover Opening Angle	135Â°	140Â°

Comparison of the Dell Alienware m16 R2 and the Dell Alienware x15 R1 External Dimensions

Weight

Alienware m16 R2 weighs 2.6 kg (5.73 lbs), whereas the Alienware x15 R1 weighs 2.27 kg (5.01 lbs). There is a notable difference in weight between these two laptops. However, it's important to consider that comparing their weights directly may not provide a complete picture since they also have different display sizes.

Weight Comparison

Dell Alienware m16 R2

Avg: 16.0-16.9"

Dell Alienware x15 R1

Avg: 15.0-15.9"

Thickness Comparison

Dell Alienware m16 R2

Avg: 16.0-16.9"

Dell Alienware x15 R1

Avg: 15.0-15.9"

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the Dell Alienware m16 R2 is 0.16 kg/inch.In comparison, this value for the Dell Alienware x15 R1 is 0.15 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Microsoft Surface Pro 12: 0.06 kg/inch
Asus ProArt PZ14 HT7407: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch

Dell Alienware m16 R2 vs Dell Alienware x15 R1: Internals Comparison

CPU Comparison

CPU Model	Intel Core Ultra 7 155H	Intel Core i7 11800H Intel Core i9 11900H
Base Frequency	3.8 GHz	1.9-2.3 GHz
Turbo Frequency	4.8 GHz	4.6 GHz
Number of Cores	Arc Graphics (8-	8
Number of Threads	22	16
L3 Cache	24 MB	24 MB
Integrated GPU	Arc Graphics (8-Cores)	Intel UHD Graphics for 11th Gen (32 EU)
CPU Fabrication Process	7 nm	10 nm
Cinebench 23 (Single)	1745	1504
Cinebench 23 (Multi)	14983	12182

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the Dell Alienware m16 R2 and Dell Alienware x15 R1.

You may also read reviews of latest laptops with the same CPUs and compare them:

Laptops with: Intel Core Ultra 7 155H

Laptops with: Intel Core i7 11800H

GPU Comparison

GPU Model	GeForce RTX 4050 Mobile 6GB GeForce RTX 4060 Mobile 8GB GeForce RTX 4070 Mobile 8GB	GeForce RTX 3060 Mobile 6GB GeForce RTX 3070 Mobile 8GB GeForce RTX 3080 Mobile 8GB
Base Clock Frequency	1455 MHz	1163 MHz
Boost CLock Frequency	1755 MHz	1425 MHz
TGP (Total Graphics Power)	50 W	90 W
Nvidia Optimus	MUX	Yes, Advanced Optimus
Type	Dedicated	Dedicated
FLOPS	6.8-9.5 TFLOPS	11.8 TFLOPS
Memory Size	6 GB	6 GB
Memory Type	GDDR6	GDDR6
Memory Bus	96 bit	192 bit
Memory Speed	~16 Gbps	14 Gbps
Shading Units Cores	2560	3840
TMUs	80	120
ROPs	48	48

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. Dell Alienware m16 R2 has a FLOPS value of 6.8-9.5 TFLOPS whereas the Dell Alienware x15 R1 ' has a FLOPS value of 11.8 TFLOPS. If graphical performance of the laptop is important for your use type, the Dell Alienware m16 R2 may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 32GB 64GB	16GB 32GB
Memory Bus	1x8 GB	2x8 GB
RAM Clock	5600 MHz	3200 MHz
RAM Type	DDR5	DDR4
Upgradable	Yes	No
Max RAM Size	64 GB
Total Slots	2	2

The Alienware x15 R1 provides a larger RAM capacity of 16 GB, which allows for smoother multitasking and improved performance in memory-demanding tasks compared to the Alienware m16 R2's RAM capacity of 8 GB.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	Dell Alienware m16 R2	Dell Alienware x15 R1
CPU	Intel Core Ultra 7 155H	Intel Core i7 11800H
GPU	GeForce RTX 4050 Mobile 6GB	GeForce RTX 3060 Mobile 6GB
Memory	8 GB ; 6 GB VRAM	16 GB ; 6 GB VRAM
Available for LLM total	~10 GB (4.5 GB VRAM 5.5 GB RAM)	~17.3 GB (4.5 GB VRAM 12.8 GB RAM)
Small Models (1-3B): Examples: Phi-2, Qwen-1.8B Requires ~2 GB memory	✔ Runs Well fits in your 6 GB VRAM	✔ Runs Smoothly fits in your 6 GB VRAM
Medium Models (7-8B): Examples: Mistral-7B, Qwen-7B Requires ~5 GB memory	✔ Modest Speed doesn't fit in 6 GB VRAM, spills to RAM (VRAM + RAM, slower)	✔ Modest Speed doesn't fit in 6 GB VRAM, spills to RAM (VRAM + RAM, slower)
Large Models
13-15B Models (e.g., Llama 3 14B, Qwen1.5 14B) Requires ~9 GB memory	! Not Practical doesn't fit in 6 GB VRAM, spills to RAM (VRAM + RAM, slower)	! Not Practical doesn't fit in 6 GB VRAM, spills to RAM (VRAM + RAM, slower)
16-24B Models (e.g., Dense 20B Q4 ~15.5GB) Requires ~14 GB memory	✖ Not Supported exceeds available RAM	! Not Practical doesn't fit in 6 GB VRAM, spills to RAM (VRAM + RAM, slower)
24-30B Models (e.g., Dense 30B Q4) Requires ~18 GB memory	✖ Not Supported exceeds available RAM	✖ Not Supported exceeds available RAM
MoE Models (Mixture-of-Experts) (e.g., Mixtral 8x7B - total ~47B, active ~12-13B) Requires ~24 GB memory	✖ Not Supported exceeds available RAM	✖ Not Supported exceeds available RAM
Extra-Large Models (65B+): Examples: LLaMA2-70B, Qwen1.5-72B Requires ~42 GB memory	✖ Not Supported exceeds available RAM	✖ Not Supported exceeds available RAM

For more detailed LLM evaluation (subcategories, performance ranges, memory breakdown)

Dell Alienware m16 R2|Dell Alienware x15 R1

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 Model Types: Dense 30B Q4 models typically require around 19–22 GB of total VRAM, so they run best on systems with ≥24 GB VRAM. MoE models like Mixtral 8x7B (≈47B total parameters, usually ≈23–26 GB in 4-bit) also need high memory because all experts must be loaded, even though only a few are active per token. They reduce compute cost per token (similar to a ~12–13B dense model), but not memory usage, so they are not practical on 14–16 GB systems.

🚀 Modern NPU (Neural Processing Unit): Modern processors like AMD Ryzen AI and Intel Core Ultra feature NPU and unified memory architecture. NPUs provide modest performance gains (0-30% faster) with better power efficiency compared to iGPU-only execution. Real-world tests show ~3-10 tok/s range on 13B models with 32GB RAM (varies by runtime, quantization, and context), comparable to iGPU but more power-efficient. Note: These figures are examples from various NPU systems; actual performance depends on your specific hardware configuration.

Understanding Performance Categories

The performance descriptions use general categories because actual speed varies greatly based on your specific hardware, model optimization, context length, and runtime software.

Performance Level	Typical Range	User Experience
Runs Smoothly (High-end dGPU)	50+ tok/s	Real-time response. Feels instant, like ChatGPT.
Runs Well (Mid-range dGPU)	20-50 tok/s	Good interactive performance. Slight delay, but usable.
Modest Speed (iGPU/NPU/CPU)	5-20 tok/s	Usable for tasks that don't need instant responses. Noticeable typing delay.
Borderline / Slow (Limited hardware)	2-5 tok/s	Slow-Very slow. Patience required. Better for batch processing.
Not Practical	<2 tok/s	Too slow for regular use. May cause system hangs or instability.

💡 Tip: Your actual results may be higher or lower than these ranges. Test with your specific hardware to know for sure!

⚠️ Note: Performance categorization is based on VRAM capacity and RAM fallback status. GPU type (memory bandwidth, compute power) can also affect actual performance. Currently, we prioritize whether the model fits in VRAM or requires RAM fallback for classification. We may refine this categorization in future updates based on more detailed benchmarks.

BATTERY

BATTERY	90 Wh	87 Wh
Battery Type	Li-Ion	Li-Ion
Replaceable	No	No
Fast Charging	Yes	No
USB Power Delivery	Yes	Yes
Charging Port Position	Bottom	Left
Charge Power	240 / 280 W	240 W
Voltage	11.7 V	11.4 V
Full Charging Time	2:00 hr	1:25 hr

Moreover, the Alienware m16 R2 boasts a larger battery capacity of 90 Wh, offering extended usage time compared to the Alienware x15 R1's87 Wh.

Battery Comparison

Dell Alienware m16 R2

Avg: 16.0-16.9"

Dell Alienware x15 R1

Avg: 15.0-15.9"

STORAGE
Both laptops, the Alienware m16 R2 and the Alienware x15 R1 have similar max. storage capacities of 4 TB, allowing for ample space to store files and applications.

Storage Options	512 GB, 1 TB, 2 TB, 4 TB	256 GB, 512 GB, 1 TB, 2 TB, 4 TB
Upgradable	Yes	Yes
Total Slots	2	2
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

Dell Alienware m16 R2 vs Dell Alienware x15 R1: Display Comparison

The display is an essential aspect to consider when comparing the Dell Alienware m16 R2 and Dell Alienware x15 R1 since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. Alienware m16 R2 has a display size of 16.0".On the other hand, Alienware x15 R1 has a smaller 15.6" display.The total usable screen area of the Alienware m16 R2 is 742cm² / 115inch² whereas the Alienware x15 R1's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Additionally, the Alienware m16 R2 features a higher pixel density with 189 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Dell Alienware m16 R2

Avg: 16.0-16.9"

Dell Alienware x15 R1

Avg: 15.0-15.9"

Refresh Rate
The Alienware m16 R2 offers a higher refresh rate of 240 Hz, resulting in smoother motion and improved visual experience.

Furthermore, the Alienware m16 R2 boasts a faster response time of 3.0 ms, reducing motion blur for fast-paced content.

Brightness
Both Alienware m16 R2 and Alienware x15 R1 offer the same maximum brightness of 300 nits (cd/m²).

Brightness Comparison

Dell Alienware m16 R2

Avg: 16.0-16.9"

Dell Alienware x15 R1

Avg: 15.0-15.9"

Dell Alienware m16 R2 vs Dell Alienware x15 R1 Connectivity Comparison

In terms of connectivity,

Wifi
Alienware m16 R2 features a more advanced Wi-Fi standard v7, providing faster and more reliable wireless connections compared to Alienware x15 R1 (v6).

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both Alienware m16 R2 and Alienware x15 R1 have USB-A ports. Alienware m16 R2 has 2x USB 3.2 USB-A ports, while Alienware x15 R1 has 1x USB 3.2 USB-A ports.
Both Alienware m16 R2 and Alienware x15 R1 feature 2x USB 3.2 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Both Alienware m16 R2 and Alienware x15 R1 are equipped with Thunderbolt 4 ports.

HDMI
Both Alienware m16 R2 and Alienware x15 R1 feature an HDMI port (1x HDMI 2.1) for connecting to external monitors.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Both Alienware m16 R2 and Alienware x15 R1 come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both Alienware m16 R2 and Alienware x15 R1 are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v7	v6
Bluetooth (latest: v6.2)	v5.4	v5.2
USB-A (latest: 3.2)	2x USB 3.2	1x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 3.2	2x USB 3.2
Thunderbolt (latest: 5)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 2.1
Display Port (latest: v2.0)	1x v1.4	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	Yes	No
SD CardReader	Yes	Yes
Proprietary Charging Port	Yes	Yes