Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402 Comparison

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Razer Blade 14 2021

14 inches | June 2021

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ASUS Zenbook Pro 14 Duo OLED UX8402

14.5 inches | May 2022

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Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402 Comparison Overview

Razer Blade 14 2021

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ASUS Zenbook Pro 14...

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Razer Blade 14 2021

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ASUS Zenbook Pro 14...

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In this review, we will be comparing Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402, two laptops from Razer and ASUS. Razer Blade 14 2021 was introduced to market in June 2021 and ASUS Zenbook Pro 14 Duo OLED UX8402 was launched in May 2022. There is only 11 months difference between Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 so we are expecting this to be a fair comparison regarding age and technology level.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Razer Blade 14 2021 and ASUS Zenbook Pro 14 Duo OLED UX8402 before getting into our more detailed comparison.

Razer Blade 14 2021 Key Specs

Launched in June 2021
14.0" IPS LCD, 16:9 Aspect Ratio Display
CPU: AMD Ryzen 9 5900HX
GPU: GeForce RTX 3060 Mobile 6GB
16GB Ram
319.7 x 220 x 16.8 mm (12.59 x 8.66 x 0.66 inches)
Weight: 1.78 kg (3.92 lbs)

ASUS Zenbook Pro 14 Duo OLED UX8402 Key Specs

Launched in May 2022
14.5" Touchscreen - OLED, 16:10 Aspect Ratio Display
CPU: Intel Core i5 12500H
GPU: GeForce RTX 3050 Ti Mobile 4GB
16GB Ram
323.5 x 224.7 x 17.9-19.6 mm (12.74 x 8.85 x 0.7-0.77 inches)
Weight: 1.75 kg (3.86 lbs)

Razer Blade 14 2021 was replaced by Razer Blade 14 2022. You may also be interested in these comparisons:
Razer Blade 14 2022 vs Razer Blade 14 2021
Razer Blade 14 2022 vs ASUS Zenbook Pro 14 Duo OLED UX8402

Let's read on the following sections in order to better understand in detail how Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 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 Razer Blade 14 2021 over ASUS Zenbook Pro 14 Duo OLED UX8402

Side Bezel Thickness	4.9 mm vs 5.6 mm	0.7 mm thinner bezels
Refresh Rate	144 Hz vs 120 Hz	Smoother media experience
Screen Type	Matte vs Glossy	potentially less reflections on screen
CPU Fabrication Process	7 nm vs 10 nm	Newer Generation CPU
GPU FLOPS	12.3 TFLOPS vs 7.46 TFLOPS	Generates higher sound levels
Speaker Loudness	78.1 dB vs 76.6 dB	Connect more device at the same time
Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2

Reasons to choose ASUS Zenbook Pro 14 Duo OLED UX8402 over Razer Blade 14 2021

Weight	1.75 kg vs 1.78 kg	0.03 kg lighter
Screen-to-Body Ratio	~83.9% vs ~76.8%	Larger screen area ratio
Display Size	14.5 inches vs 14 inches	Larger Screen Estate
Noise Level	41.7 dB vs 52 dB	Less fan noise
Screen PPI	234 ppi vs 157 ppi	More pixels per inch
Touch Screen	Yes vs No	Interact with your fingers
Screen Resolution	2880 x 1800 pixels vs 1920 x 1080 pixels	Higher pixel count screen
Max Brightness	550 nits vs 300 nits	Brighter Screen
RAM Type	LPDDR5 vs DDR4	Faster RAM Type
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	Faster RAM
Webcam Resolution	1920 x 1080 vs 1280 x 720	Higher Resolution Camera
Thunderbolt	v4 vs No	Support audio, data, power and video all through one single port
SD Card Reader	Yes vs No	Read & Write SD Cards with the built-in reader
Key Travel	1.4 mm vs 1.1 mm	Better typing feel

Common Strengths of ASUS Zenbook Pro 14 Duo OLED UX8402 and Razer Blade 14 2021

Launch Dates	June 2021 vs May 2022	Both laptops are recent models
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 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Dolby Atmos Support	Yes vs Yes	3D Surround Sound Support
Wi-Fi Standard	v6 vs v6E	Fast and Reliable Wi-Fi Connections
Bluetooth Standard	v5.2 vs v5.2	Fast and Reliable Bluetooth Connections
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
Keyboard Backlight	Yes vs Yes	Easily see the keys under low light

Common Weaknesses of ASUS Zenbook Pro 14 Duo OLED UX8402 and Razer Blade 14 2021

Upgradable RAM	No vs No	No Option to increase the RAM size
Fingerprint Sensor	No vs No	No fingerprint login feature

Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Razer Blade 14 2021 and the ASUS Zenbook Pro 14 Duo OLED UX8402.

Physical Specs
Weight	1.78 kg (3.92 lbs)	1.75 kg (3.86 lbs)
Surface Area	703 cm2 (109 inches2)	727 cm2 (112.7 inches2)
Screen to Surface Ratio	~76.8%	~83.9%
Side Bezel Thickness	~4.9 mm	~5.6 mm
Weight per Inch of Screen	0.13 kg/inch	0.12 kg/inch
	0.286 lbs/inch	0.264 lbs/inch
Colors	Black	Black

Comparison of the Razer Blade 14 2021 and the ASUS Zenbook Pro 14 Duo OLED UX8402 External Dimensions

Weight

Blade 14 2021 weighs 1.78 kg (3.92 lbs), whereas the Zenbook Pro 14 Duo OLED UX8402 weighs 1.75 kg (3.86 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

Displays size 14.0-14.9 inches

Razer Blade 14 2021 1.78 kg

ASUS Zenbook Pro 14 Duo OLED UX8402 1.75 kg

Min 0.88 kg

Average 1.42 kg

Max 2.19 kg

Thickness Comparison

Displays size 14.0-14.9 inches

Razer Blade 14 2021 16.80 mm

ASUS Zenbook Pro 14 Duo OLED UX8402 17.90 mm

Min 8.40 mm

Average 17.12 mm

Max 32.50 mm

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 Razer Blade 14 2021 is 0.13 kg/inch.In comparison, this value for the ASUS Zenbook Pro 14 Duo OLED UX8402 is 0.12 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
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
LG Gram 14 2-in-1 2022: 0.07 kg/inch

Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	AMD Ryzen 9 5900HX	Intel Core i5 12500H Intel Core i7 12700H Intel Core i9 12900H
Base Frequency	3.3 GHz	2.5 GHz
Turbo Frequency	4.6 GHz	4.5 GHz
Number of Cores	8	12
Number of Threads	16	16
L3 Cache	16 MB	18 MB
Integrated GPU	Radeon RX Vega 8	Intel Iris Xe Graphics G7 (80EU)
CPU Fabrication Process	7 nm	10 nm
Geekbench 5 (Single)	1530	1634
Geekbench 5 (Multi)	8369	10250
Cinebench 23 (Single)	1500	1702
Cinebench 23 (Multi)	12877	13247

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 Razer Blade 14 2021 and ASUS Zenbook Pro 14 Duo OLED UX8402.

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

Laptops with: AMD Ryzen 9 5900HX

Laptops with: Intel Core i5 12500H

GPU Comparison

GPU Model	GeForce RTX 3060 Mobile 6GB GeForce RTX 3070 Mobile 8GB GeForce RTX 3080 Mobile 8GB	GeForce RTX 3050 Ti Mobile 4GB
Base Clock Frequency	900 MHz	735 MHz
Boost CLock Frequency	1425 MHz	1035 MHz
TGP (Total Graphics Power)	80 W	75 W
Nvidia Optimus	Yes
Type	Dedicated	Dedicated
FLOPS	10.94 TFLOPS	5.299 TFLOPS
Memory Size	6 GB	4 GB
Memory Type	GDDR6	GDDR6
Memory Bus	192 bit	128 bit
Memory Speed	1750 MHz 14 Gbps effective	1500 MHz 12 Gbps effective
Shading Units Cores	3840	2560
TMUs	120	80
ROPs	48	32

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. Razer Blade 14 2021 has a FLOPS value of 12.3 TFLOPS whereas the ASUS Zenbook Pro 14 Duo OLED UX8402 ' has a FLOPS value of 7.46 TFLOPS. If graphical performance of the laptop is important for your use type, the ASUS Zenbook Pro 14 Duo OLED UX8402 may be the better choice between these two setups.

RAM Comparison

RAM	16GB	16GB 32GB
Memory Bus	2x8 GB	2x8 GB
RAM Clock	3200 MHz	4800 MHz
RAM Type	DDR4	LPDDR5
Upgradable	No	No
Memory Bus	PCI-E Gen 3.0 (4x)	PCI-E Gen 4.0 (4x)

Both laptops, the Blade 14 2021 and the Zenbook Pro 14 Duo OLED UX8402, come with similar RAM capacities of 16 GB, providing comparable performance in memory-intensive tasks.

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	Razer Blade 14 (2021)	ASUS Zenbook Pro 14 Duo OLED (UX8402)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ 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	61.6 Wh	76 Wh
Battery Type	Li-Po	Li-Po
Replaceable	No	No
Fast Charging	No	No
USB Power Delivery	Yes	Yes
Charging Port Position	Left	Bottom
Charge Power	230 W	150 / 180 W
Full Charging Time	1:30 hr	1:47 hr
AC Adapter Weight	801 gramm	420 gramm

On the other hand, the Zenbook Pro 14 Duo OLED UX8402 features a higher battery capacity of 76 Wh, delivering longer usage time compared to the Blade 14 2021's 62 Wh.

Battery Comparison

Displays size 14.0-14.9 inches

Razer Blade 14 2021 62 Wh

ASUS Zenbook Pro 14 Duo OLED UX8402 76 Wh

Min 32.00 Wh

Average 55.79 Wh

Max 90.00 Wh

STORAGE
The Zenbook Pro 14 Duo OLED UX8402 offers a larger max storage capacity of 2 TB, providing more room for storing files and data compared to the Blade 14 2021's storage capacity of 1 TB.

Storage Options	1 TB	512 GB, 1 TB, 2 TB
Upgradable	Yes	Yes
Total Slots	1	1
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.

Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402: Display Comparison

The display is an essential aspect to consider when comparing the Razer Blade 14 2021 and ASUS Zenbook Pro 14 Duo OLED UX8402 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. Blade 14 2021 has a display size of 14.0".On the other hand, Zenbook Pro 14 Duo OLED UX8402 has a larger14.5" display.The total usable screen area of the Blade 14 2021 is 540cm² / 84inch² whereas the Zenbook Pro 14 Duo OLED UX8402's total usable screen area is 610cm² / 94inch².

PPI (Pixels per Inch)
Additionally, the Zenbook Pro 14 Duo OLED UX8402 features a higher pixel density with 234 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 14.0-14.9 inches

Razer Blade 14 2021 157 ppi

ASUS Zenbook Pro 14 Duo OLED UX8402 234 ppi

Min 112 PPI

Average 173 PPI

Max 323.00 PPI

Refresh Rate
The Blade 14 2021 offers a higher refresh rate of 144 Hz, resulting in smoother motion and improved visual experience.

Brightness
The Zenbook Pro 14 Duo OLED UX8402 offers a higher maximum brightness of 550 nits, delivering a brighter screen.

Brightness Comparison

Displays size 14.0-14.9 inches

Razer Blade 14 2021 300 nits

ASUS Zenbook Pro 14 Duo OLED UX8402 550 nits

Min

200 nits

Average 383 nits

Max 1200.00 nits

Razer Blade 14 2021 vs ASUS Zenbook Pro 14 Duo OLED UX8402 Connectivity Comparison

In terms of connectivity,

Wifi
Zenbook Pro 14 Duo OLED UX8402 features a more advanced Wi-Fi standard v6E, providing faster and more reliable wireless connections compared to Blade 14 2021 (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 Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 have USB-A ports. Blade 14 2021 has 2x USB 3.2 USB-A ports, while Zenbook Pro 14 Duo OLED UX8402 has 1x USB 3.2 USB-A ports.
Both Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 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
Zenbook Pro 14 Duo OLED UX8402 is equipped with Thunderbolt 4 port. Blade 14 2021 does not have Thunderbolt port.

HDMI
Both Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 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
Zenbook Pro 14 Duo OLED UX8402 is equipped with an SD Card Reader for easy access to memory cards. Blade 14 2021 does not have an SD Card Reader.

Audio Jack
Both Blade 14 2021 and Zenbook Pro 14 Duo OLED UX8402 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	v6E
Bluetooth (latest: v5.4)	v5.2	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: 4)	No	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 2.1
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	No
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	No	Yes
Proprietary Charging Port	No	Yes