Acer Swift Edge 14 AI (SFE14-51) vs Lenovo Legion 9i Gen 10 (2025)

[ VERDICT ] Winner: Lenovo Legion 9i Gen 10 (2025) (89/100)

Lenovo Legion 9i Gen 10 (2025) leads overall with a score of 89/100 compared to Acer Swift Edge 14 AI (SFE14-51) (65/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Gaming 16.0 Poor 92.0 Excellent WINNER
NanoReview Score 65.0 Average 89.0 Very Good WINNER
Performance 57.0 Below Average 96.0 Excellent WINNER

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Battery type Li-Ion Li-Po
Charge power 100 W 400 W
Charging port position Left Left, Bottom
Charging via USB (Power Delivery) Yes Yes, 140 W
Fast charging Yes Yes
Replaceable No No
Weight of AC adapter 1247 grams

CPU

CPU specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Base frequency 2.1 GHz 2.7 GHz
Cores 8 (4P + 4E) 24 (8P + 16E)
Fabrication process 3 nm 3 nm
Integrated GPU Intel Arc Graphics 130V Arc Graphics (4-Cores)
L3 Cache 8 MB 36 MB
Threads 8 24
Turbo frequency 4.5 GHz 5.4 GHz

Case

Case specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Area 719 cm2(111.4 inches2) 1195 cm2(185.2 inches2)
Colors White Black
Cooling system Active Active
Dimensions 313.7 x 229.2 x 9.3-16.6 mm12.35 x 9.02 x 0.37-0.65 inches 403 x 296.5 x 23.9-27.95 mm15.87 x 11.67 x 0.94-1.1 inches
Liquid metal No Yes
Material Aluminum Aluminum
Number of fans 1 4
Screen-to-body ratio ~79% ~78.6%
Side bezels 6.1 mm 7.7 mm
Transformer No No
Vapor chamber No Yes
Weight 0.99 kg (2.18 lbs) 3.5 kg (7.72 lbs)
Noise level (max. load) 56 dB
Opening angle 180°

Connectivity

Connectivity specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Audio jack (3.5 mm) Yes Yes
Bluetooth v5.4 v5.4
DisplayPort No No
Ethernet (RJ45) No Yes
Fingerprint Yes No
HDMI 1x HDMI 2.1 1x HDMI 2.1
Infrared sensor Yes Yes
Optical drive No No
Proprietary charging port No Yes
SD card reader No Yes
Thunderbolt Thunderbolt 4 Thunderbolt 5
USB Type-C 2x USB 4.0 3x USB 4.0
USB-A 2x USB 3.2 3x USB 3.2
VGA No No
Webcam Above the display Above the display
Webcam resolution 1920 x 1080 2560 x 1440
Wi-Fi standard v7 v7

Display

Display specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Adaptive refresh rate Yes
Aspect ratio 16:10 16:10
Coating Glossy Glossy
Contrast 1000000:1 1200:1
DCI-P3 color gamut 100% 88.9%
HDR support Yes, HDR10 Yes, Dolby Vision
PPI 243 ppi 252 ppi
Refresh rate 120 Hz 240 Hz
Resolution 2880 x 1800 pixels 3840 x 2400 pixels
Response time 1 ms 3 ms
Size 14 inches 18 inches
Sync technology No G-Sync
Touchscreen Yes No
Type OLED Mini LED
sRGB color space 100% 100%
Adobe RGB profile 96.8%

Graphics Card

Graphics Card specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Blender GPU 553 7717
FLOPS 3.3 TFLOPS 42 TFLOPS
GPU base clock 600 MHz 975 MHz
GPU boost clock 1850 MHz
GPU performance 3.3 TFLOPS 42 TFLOPS
Memory size System Shared 16 GB
Memory speed 8.53 Gbps ~28 Gbps
Memory type LPDDR5X GDDR7
Shading units (cores) 896 7680
TGP 30 W 175 W
Memory bus 256 bit
Nvidia Optimus MUX
Raster operations pipelines (ROPs) 96
Texture mapping units (TMUs) 240

Input

Input specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Backlight Yes Yes
Keyboard type Island Island
Numpad No Yes
Windows Precision Yes Yes
Key travel 1.6 mm
Surface Glass

RAM

RAM specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Channels 2x8 GB 2x16 GB
Clock 8533 MHz 5600 MHz
Upgradable No Yes
Max. ram size 192 GB
Total slots 1 4

Sound

Sound specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Dolby Atmos No No
Microphones 3 2
Speakers 2.0 2.2 (2 tweeters and 2 woofers)
Audio chip Realtek ALC3306
Loudness ~79 dB
Power 2x2W, 2x2W

Storage

Storage specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Bus PCI-E Gen 4.0 (4x) PCI-E Gen 5.0 (4x)
NVMe Yes Yes
Storage type SSD (M2) SSD (M2)
Total slots 1 4

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Acer Swift Edge 14 AI (SFE14-51) Lenovo Legion 9i Gen 10 (2025)
Blender GPU 553 7717
Solar Bay 123422

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