Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N Comparison

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Asus Zenbook A14 UX3407

14 inches | January 2025

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Acer Spin 3 SP313-51N

13.3 inches | January 2021

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Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N Comparison Overview

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In this review, we will be comparing Zenbook A14 UX3407 and Spin 3 SP313-51N, two laptops from Asus and Acer. Asus Zenbook A14 UX3407 was introduced to market in January 2025 and Acer Spin 3 SP313-51N was launched in January 2021. As you can see, Spin 3 SP313-51N is 4 years older than Zenbook A14 UX3407. Let's see if this age difference between two laptops makes a big difference.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Asus Zenbook A14 UX3407 and Acer Spin 3 SP313-51N before getting into our more detailed comparison.

Asus Zenbook A14 UX3407 Key Specs

Launched in January 2025
14.0" OLED, 16:10 Aspect Ratio Display
CPU: Qualcomm Snapdragon X (X1-26-100)
GPU: Adreno X1-45
8GB Ram
310.7 x 213.9 x 13.4-15.9 mm (12.23 x 8.42 x 0.53-0.63 inches)
Weight: 0.9 kg (1.98 lbs)

Acer Spin 3 SP313-51N Key Specs

Launched in January 2021
13.3" Touchscreen - IPS LCD, 16:10 Aspect Ratio Display
CPU: Intel Core i3 1115G4
GPU: Intel UHD Graphics Xe G4
8GB Ram
302 x 222 x 15.9 mm (11.89 x 8.74 x 0.63 inches)
Weight: 1.5 kg (3.31 lbs)

Let's read on the following sections in order to better understand in detail how Zenbook A14 UX3407 and Spin 3 SP313-51N 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 Asus Zenbook A14 UX3407 over Acer Spin 3 SP313-51N

Weight	0.90 kg vs 1.50 kg	0.6 kg lighter
Screen-to-Body Ratio	~85.5% vs ~76.5%	Larger screen area ratio
Side Bezel Thickness	4.6 mm vs 7.8 mm	3.2 mm thinner bezels
Display Size	14 inches vs 13.3 inches	Larger Screen Estate
Contrast Rate	1000000:1 vs 1252:1	more pleasing colors
sRGB Color Space	100% vs 98%	Wider sRGB Color Space Coverage
DCI-P3 Color Gamut	100% vs 78.7%	Wider DCI-P3 Color Gamut
Max Brightness	600 nits vs 300 nits	Brighter Screen
Response Time	1 ms vs 44 ms	Faster Response screen
CPU Fabrication Process	4 nm vs 10 nm	Newer Generation CPU
GPU Fabrication Process	4 nm vs 10 nm	Newer Generation GPU
GPU FLOPS	2.3-2.8 TFLOPS vs 0.84 TFLOPS	Faster RAM Type
RAM Type	LPDDR5X vs LPDDR4X	Faster RAM
RAM BUS	PCI-E Gen 4.0 (4x) vs PCI-E Gen 3.0 (4x)	3D Surround Sound Support
Dolby Atmos Speakers	Yes vs No	More advanced Wi-fi connectivity
WiFi Standard	v7 vs v6	More advanced Bluetooth connectivity
Bluetooth	v5.4 vs v5	Higher Resolution Camera
Webcam Resolution	1920 x 1080 vs 1280 x 720	Faster USB-C connection
USB-C Port Type	v4.0 vs v3.2	Better HDMI connectivity
HDMI Version	2.1 vs 1.4	Easily see the keys under low light
Keyboard Backlight	Yes vs No

Reasons to choose Acer Spin 3 SP313-51N over Asus Zenbook A14 UX3407

Screen PPI	170 ppi vs 162 ppi	More pixels per inch
2-in-1 Design	Yes vs No	Use like a tablet
Touch Screen	Yes vs No	Interact with your fingers
SD Card Reader	Yes vs No	Read & Write SD Cards with the built-in reader

Common Strengths of Acer Spin 3 SP313-51N and Asus Zenbook A14 UX3407

Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
RAM Type	PCI-E Gen 4.0 (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
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

Common Weaknesses of Acer Spin 3 SP313-51N and Asus Zenbook A14 UX3407

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

Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Asus Zenbook A14 UX3407 and the Acer Spin 3 SP313-51N.

Physical Specs
Weight	0.9 kg (1.98 lbs)	1.5 kg (3.31 lbs)
Surface Area	665 cm2 (103 inches2)	670 cm2 (103.9 inches2)
Screen to Surface Ratio	~85.5%	~76.5%
Side Bezel Thickness	~4.6 mm	~7.8 mm
Weight per Inch of Screen	0.06 kg/inch	0.11 kg/inch
	0.132 lbs/inch	0.242 lbs/inch
Colors	Gray	Silver
Cover Opening Angle	180Â°	360Â°

Comparison of the Asus Zenbook A14 UX3407 and the Acer Spin 3 SP313-51N External Dimensions

Weight

Zenbook A14 UX3407 weighs 0.9 kg (1.98 lbs), whereas the Spin 3 SP313-51N weighs 1.5 kg (3.31 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

Asus Zenbook A14 UX3407 0.90 kg

Avg: 14.0-14.9" 1.42 kg

Acer Spin 3 SP313-51N 1.50 kg

Avg: 13.0-13.9" 1.22 kg

Thickness Comparison

Asus Zenbook A14 UX3407 15.90 mm

Avg: 14.0-14.9" 17.12 mm

Acer Spin 3 SP313-51N 15.90 mm

Avg: 13.0-13.9" 15.38 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 Asus Zenbook A14 UX3407 is 0.06 kg/inch.In comparison, this value for the Acer Spin 3 SP313-51N 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
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
LG Gram 15 2022: 0.07 kg/inch

Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Qualcomm Snapdragon X (X1-26-100) Qualcomm Snapdragon X Plus (X1P-42-100) Qualcomm Snapdragon X Elite (X1E-78-100)	Intel Core i3 1115G4 Intel Core i5 1135G7 Intel Core i7 1165G7
Base Frequency	2.98 GHz	1.7-3.0 GHz
Number of Cores	8	2
Number of Threads	8	4
L3 Cache	6 MB	6 MB
Integrated GPU	Qualcomm Adreno X1-45	Intel UHD Graphics Xe G4
CPU Fabrication Process	4 nm	10 nm

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 Asus Zenbook A14 UX3407 and Acer Spin 3 SP313-51N.

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

Laptops with: Qualcomm Snapdragon X (X1-26-100)

Laptops with: Intel Core i3 1115G4

GPU Comparison

GPU Model	Adreno X1-45	Intel UHD Graphics Xe G4
Base Clock Frequency	280 MHz	300 MHz
TGP (Total Graphics Power)	30 W	15 W
Type	Integrated	Integrated
FLOPS	2.3-2.8 TFLOPS	844.8 GFLOPS
Memory Size	System Shared	System Shared
Memory Type	LPDDR5X	System Shared
Memory Speed	8.45 Gbps	System Shared
Shading Units Cores	1024	384
TMUs	48	24
ROPs	24	12

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. Asus Zenbook A14 UX3407 has a FLOPS value of 2.3-2.8 TFLOPS whereas the Acer Spin 3 SP313-51N ' has a FLOPS value of 0.84 TFLOPS. If graphical performance of the laptop is important for your use type, the Asus Zenbook A14 UX3407 may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 32GB	8GB 16GB
Memory Bus	2x4 GB	2x4 GB
RAM Clock	8448 MHz	3733 MHz
RAM Type	LPDDR5X	LPDDR4X
Upgradable	No	No
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 3.0 (4x)

Both laptops, the Zenbook A14 UX3407 and the Spin 3 SP313-51N, come with similar RAM capacities of 8 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	Asus Zenbook A14 (UX3407)	Acer Spin 3 (SP313-51N)
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	48 Wh 70 Wh	48 Wh
Battery Type	Li-Ion	Li-Ion
Replaceable	No	No
Fast Charging	No	No
Charging Port Position	Left	Left
Charge Power	65 / 90 W	65 W

Furthermore, both laptops have the same battery capacity of 48 Wh, ensuring comparable battery performance.

Battery Comparison

Asus Zenbook A14 UX3407 48 Wh

Avg: 14.0-14.9" 55.79 Wh

Acer Spin 3 SP313-51N 48 Wh

Avg: 13.0-13.9" 53.1 Wh

STORAGE
With a larger storage capacity up to 1 TB, the Zenbook A14 UX3407 provides more space for storing files and applications compared to the Spin 3 SP313-51N's max. storage capacity of 512 GB.

Storage Options	512 GB, 1 TB	256 GB, 512 GB
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.

Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N: Display Comparison

The display is an essential aspect to consider when comparing the Asus Zenbook A14 UX3407 and Acer Spin 3 SP313-51N 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. Zenbook A14 UX3407 has a display size of 14.0".On the other hand, Spin 3 SP313-51N has a smaller 13.3" display.The total usable screen area of the Zenbook A14 UX3407 is 568cm² / 88inch² whereas the Spin 3 SP313-51N's total usable screen area is 513cm² / 80inch².

PPI (Pixels per Inch)
Additionally, the Spin 3 SP313-51N features a higher pixel density with 170 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Asus Zenbook A14 UX3407 162 PPI

Avg: 14.0-14.9" 173 PPI

Acer Spin 3 SP313-51N 170 PPI

Avg: 13.0-13.9" 186 PPI

Refresh Rate
Both Zenbook A14 UX3407 and Spin 3 SP313-51N offer the same refresh rate of 60 Hz.

Furthermore, the Zenbook A14 UX3407 boasts a faster response time of 1.0 ms, reducing motion blur for fast-paced content.

Brightness
The Zenbook A14 UX3407 offers a higher maximum brightness of 600 nits, delivering a brighter screen.

Brightness Comparison

Asus Zenbook A14 UX3407 600 nits

Avg: 14.0-14.9" 383 nits

Acer Spin 3 SP313-51N 300 nits

Avg: 13.0-13.9" 438 nits

Asus Zenbook A14 UX3407 vs Acer Spin 3 SP313-51N Connectivity Comparison

In terms of connectivity,

Wifi
Zenbook A14 UX3407 features a more advanced Wi-Fi standard v7, providing faster and more reliable wireless connections compared to Spin 3 SP313-51N (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 Zenbook A14 UX3407 and Spin 3 SP313-51N feature 1x USB 3.2 USB-A ports.
Both Zenbook A14 UX3407 and Spin 3 SP313-51N have USB Type-C ports. Zenbook A14 UX3407 has 2x USB 4.0 USB Type-C ports, while Spin 3 SP313-51N has 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 Zenbook A14 UX3407 and Spin 3 SP313-51N are equipped with Thunderbolt 4 ports.

HDMI
Both Zenbook A14 UX3407 and Spin 3 SP313-51N feature an HDMI port. Zenbook A14 UX3407 offers 1x HDMI 2.1, while Spin 3 SP313-51N offers 1x HDMI 1.4.

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
Spin 3 SP313-51N is equipped with an SD Card Reader for easy access to memory cards. Zenbook A14 UX3407 does not have an SD Card Reader.

Audio Jack
Both Zenbook A14 UX3407 and Spin 3 SP313-51N 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: v5.4)	v5.4	v5
USB-A (latest: 3.2)	1x USB 3.2	1x USB 3.2
USB Type-C (latest: USB4 2.0)	2x USB 4.0	2x USB 3.2
Thunderbolt (latest: 4)	Thunderbolt 4	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 2.1	1x HDMI 1.4
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