Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515 Comparison

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Lenovo ThinkPad E14 Gen 3 AMD

14 inches | April 2021

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Dell Inspiron 15 5515

15.6 inches | April 2021

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Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515 Comparison Overview

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In this review, we will be comparing ThinkPad E14 Gen 3 AMD and Inspiron 15 5515, two laptops from Lenovo and Dell. Lenovo ThinkPad E14 Gen 3 AMD was introduced to market in April 2021 and Dell Inspiron 15 5515 was launched in April 2021. Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 were launched within the same month so we are expecting this to be a fair comparison regarding age and available technology level.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Lenovo ThinkPad E14 Gen 3 AMD and Dell Inspiron 15 5515 before getting into our more detailed comparison.

Lenovo ThinkPad E14 Gen 3 AMD Key Specs

Launched in April 2021
14.0" TN LCD, 16:9 Aspect Ratio Display
CPU: AMD Ryzen 3 5300U
GPU: Radeon RX Vega 6 (Ryzen 4000)
4GB Ram
324 x 220.7 x 17.9-20.9 mm (12.76 x 8.69 x 0.7-0.82 inches)
Weight: 1.64 kg (3.62 lbs)

Dell Inspiron 15 5515 Key Specs

Launched in April 2021
15.6" IPS LCD, 16:9 Aspect Ratio Display
CPU: AMD Ryzen 3 5300U
GPU: Radeon RX Vega 6 (Ryzen 4000)
8GB Ram
356 x 228.9 x 14.6-17.9 mm (14.02 x 9.01 x 0.57-0.7 inches)
Weight: 1.64 kg (3.62 lbs)

Let's read on the following sections in order to better understand in detail how ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 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 Lenovo ThinkPad E14 Gen 3 AMD over Dell Inspiron 15 5515

Screen PPI	157 ppi vs 141 ppi	More pixels per inch
Dolby Atmos Speakers	Yes vs No	3D Surround Sound Support
Bluetooth	v5.2 vs v5.1	More advanced Bluetooth connectivity
Ethernet RJ45 Port	Yes vs No	Connects to the local network via Ethernet RJ45
Key Travel	1.8 mm vs 1.3 mm	Better typing feel

Reasons to choose Dell Inspiron 15 5515 over Lenovo ThinkPad E14 Gen 3 AMD

Screen-to-Body Ratio	~82.4% vs ~75.5%	Larger screen area ratio
Side Bezel Thickness	5.3 mm vs 7.1 mm	1.8 mm thinner bezels
Display Size	15.6 inches vs 14 inches	Larger Screen Estate
Upgradable RAM	Yes vs No	More RAM Options
SD Card Reader	Yes vs No	Read & Write SD Cards with the built-in reader
Numeric Pad	Yes vs No	Fast way to input numbers
Touchpad Size	11.5 x 8.0 cm vs 10.0 x 5.6 cm	Larger Touchpad Area

Common Strengths of Dell Inspiron 15 5515 and Lenovo ThinkPad E14 Gen 3 AMD

Launch Dates	April 2021 vs April 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	PCI-E Gen 3.0 (4x) vs PCI-E Gen 3.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Wi-Fi Standard	v6 vs v6	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.2 vs v5.1	Fast and Reliable Bluetooth Connections
Fingerprint Sensor	Yes vs Yes	Easy Login with Fingerprint Sensor
HDMI Output	1x HDMI 1.4 vs 1x HDMI 1.4	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of Dell Inspiron 15 5515 and Lenovo ThinkPad E14 Gen 3 AMD

Touchscreen Capability	No vs No	No Touchscreen Capability
HDR Support	No vs No	No HDR Support

Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Lenovo ThinkPad E14 Gen 3 AMD and the Dell Inspiron 15 5515.

Physical Specs
Weight	1.64 kg (3.62 lbs)	1.64 kg (3.62 lbs)
Surface Area	715 cm2 (110.9 inches2)	815 cm2 (126.3 inches2)
Screen to Surface Ratio	~75.5%	~82.4%
Side Bezel Thickness	~7.1 mm	~5.3 mm
Weight per Inch of Screen	0.12 kg/inch	0.11 kg/inch
	0.264 lbs/inch	0.242 lbs/inch
Colors	Black	Blue

Comparison of the Lenovo ThinkPad E14 Gen 3 AMD and the Dell Inspiron 15 5515 External Dimensions

Weight

Weight Comparison

Lenovo ThinkPad E14 Gen 3 AMD

Avg: 14.0-14.9"

Dell Inspiron 15 5515

Avg: 15.0-15.9"

Thickness Comparison

Lenovo ThinkPad E14 Gen 3 AMD

Avg: 14.0-14.9"

Dell Inspiron 15 5515

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 Lenovo ThinkPad E14 Gen 3 AMD is 0.12 kg/inch.In comparison, this value for the Dell Inspiron 15 5515 is 0.11 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
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch

Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	AMD Ryzen 3 5300U AMD Ryzen 5 5500U AMD Ryzen 5 5600U AMD Ryzen 5 Pro 5650U AMD Ryzen 7 5700U AMD Ryzen 7 5800U	AMD Ryzen 3 5300U AMD Ryzen 5 5500U AMD Ryzen 7 5700U
Base Frequency	2.6 GHz	2.6 GHz
Turbo Frequency	3.8 GHz	3.8 GHz
Number of Cores	4	4
Number of Threads	8	8
L3 Cache	4 MB	4 MB
Integrated GPU	Radeon RX Vega 6	Radeon RX Vega 6
CPU Fabrication Process	7 nm	7 nm
Geekbench 5 (Single)	1008	1008
Geekbench 5 (Multi)	3760	3760
Cinebench 23 (Single)	1125	1125
Cinebench 23 (Multi)	4664	4664

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 Lenovo ThinkPad E14 Gen 3 AMD and Dell Inspiron 15 5515.

You may also read reviews of latest laptops with the same CPU ( AMD Ryzen 3 5300U ) and compare them:

GPU Comparison

GPU Model	Radeon RX Vega 6 (Ryzen 4000)	Radeon RX Vega 6 (Ryzen 4000)
Base Clock Frequency	300 MHz	300 MHz
Boost CLock Frequency	1600 MHz	1600 MHz
TGP (Total Graphics Power)	45 W	45 W
Type	Integrated	Integrated
FLOPS	1,229 GFLOPS	1,229 GFLOPS
Memory Size	System Shared	System Shared
Memory Type	System Shared	System Shared
Memory Bus	System Shared	System Shared
Memory Speed	System Shared	System Shared
Shading Units Cores	384	384
TMUs	24	24
ROPs	8	8

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. Lenovo ThinkPad E14 Gen 3 AMD has a FLOPS value of 1.23 TFLOPS whereas the Dell Inspiron 15 5515 ' has a FLOPS value of 1.23 TFLOPS.

RAM Comparison

RAM	4GB 8GB 16GB 24GB	8GB 16GB 32GB
Memory Bus	1x4 GB	2x4 GB
RAM Clock	3200 MHz	3200 MHz
RAM Type	DDR4	DDR4
Upgradable	No	Yes
Total Slots	1	2
Memory Bus	PCI-E Gen 3.0 (4x)	PCI-E Gen 3.0 (4x)

The Inspiron 15 5515 provides a larger RAM capacity of 8 GB, which allows for smoother multitasking and improved performance in memory-demanding tasks compared to the ThinkPad E14 Gen 3 AMD's RAM capacity of 4 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	Lenovo ThinkPad E14 Gen 3 (AMD)	Dell Inspiron 15 5515
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✖ Not supported.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✖ Not supported.	✖ Not supported.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

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

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	45 Wh 57 Wh	41 Wh 54 Wh
Battery Type	Li-Po	Li-Po
Replaceable	No	No
Fast Charging	No	Yes
USB Power Delivery	Yes	Yes
Charging Port Position	Left	Left
Charge Power	65 W	65 W
AC Adapter Weight	365 gramm

Moreover, the ThinkPad E14 Gen 3 AMD boasts a larger battery capacity of 45 Wh, offering extended usage time compared to the Inspiron 15 5515's41 Wh.

Battery Comparison

Lenovo ThinkPad E14 Gen 3 AMD

Avg: 14.0-14.9"

Dell Inspiron 15 5515

Avg: 15.0-15.9"

STORAGE
The Inspiron 15 5515 offers a larger max storage capacity of 2 TB, providing more room for storing files and data compared to the ThinkPad E14 Gen 3 AMD's storage capacity of 1 TB.

Storage Options	256 GB, 512 GB, 1 TB	256 GB, 512 GB, 1 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	2	2
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

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.

Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515: Display Comparison

The display is an essential aspect to consider when comparing the Lenovo ThinkPad E14 Gen 3 AMD and Dell Inspiron 15 5515 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. ThinkPad E14 Gen 3 AMD has a display size of 14.0".On the other hand, Inspiron 15 5515 has a larger15.6" display.The total usable screen area of the ThinkPad E14 Gen 3 AMD is 540cm² / 84inch² whereas the Inspiron 15 5515's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Additionally, the ThinkPad E14 Gen 3 AMD features a higher pixel density with 157 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Lenovo ThinkPad E14 Gen 3 AMD

Avg: 14.0-14.9"

Dell Inspiron 15 5515

Avg: 15.0-15.9"

Refresh Rate
Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 offer the same refresh rate of 60 Hz.

Brightness
Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 offer the same maximum brightness of 250 nits (cd/m²).

Brightness Comparison

Lenovo ThinkPad E14 Gen 3 AMD

Avg: 14.0-14.9"

Dell Inspiron 15 5515

Avg: 15.0-15.9"

Lenovo ThinkPad E14 Gen 3 AMD vs Dell Inspiron 15 5515 Connectivity Comparison

In terms of connectivity,

Wifi
Both laptops offer the same Wi-Fi standard (v6), ensuring fast and reliable wireless connections.

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 ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 feature 2x USB 3.2 USB-A ports.
Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 feature 1x 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
Neither ThinkPad E14 Gen 3 AMD nor Inspiron 15 5515 has Thunderbolt port.

HDMI
Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 feature an HDMI port (1x HDMI 1.4) 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
Inspiron 15 5515 is equipped with an SD Card Reader for easy access to memory cards. ThinkPad E14 Gen 3 AMD does not have an SD Card Reader.

Audio Jack
Both ThinkPad E14 Gen 3 AMD and Inspiron 15 5515 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)	v6	v6
Bluetooth (latest: v5.4)	v5.2	v5.1
USB-A (latest: 3.2)	2x USB 3.2	2x USB 3.2
USB Type-C (latest: USB4 2.0)	1x USB 3.2	1x USB 3.2
Thunderbolt (latest: 5)	No	No
HDMI (latest: 2.1)	1x HDMI 1.4	1x HDMI 1.4
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	Yes	Yes
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	Yes	No
SD CardReader	No	Yes
Proprietary Charging Port	No	Yes