Asus Vivobook S15 OLED (K3502, 12th Gen Intel) 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 Asus Vivobook S15 OLED (K3502, 12th Gen Intel) (49/100), offering superior measured performance and technical specifications.

Why choose Lenovo Legion 9i Gen 10 (2025):
  • + Higher Gaming score (92 vs 9)
  • + Higher DeviceBenchmark Score score (89 vs 49)
  • + Higher Performance score (96 vs 50)
Asus Vivobook S15 OLED (K3502, 12th Gen Intel)
Vivo

Asus Vivobook S15 OLED (K3502, 12th Gen Intel)

49/100
View Full Specs →
[ WINNER ]
Lenovo Legion 9i Gen 10 (2025)
Lenovo

Lenovo Legion 9i Gen 10 (2025)

89/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
DeviceBenchmark Score 49.0 Poor 89.0 Very Good WINNER
Gaming 9.0 Poor 92.0 Excellent WINNER
Performance 50.0 Below Average 96.0 Excellent WINNER

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Battery type Li-Po Li-Po
Charge power 90 W 400 W
Charging port position Right Left, Bottom
Charging via USB (Power Delivery) Yes Yes, 140 W
Fast charging Yes Yes
Full charging time 1:30 hr —
Replaceable No No
Weight of AC adapter 390 grams 1247 grams

CPU

CPU specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Base frequency 2.5 GHz 2.7 GHz
Cores 12 (4P + 8E) 24 (8P + 16E)
Fabrication process 10 nm 3 nm
Integrated GPU Intel Iris Xe Graphics (80EU) Arc Graphics (4-Cores)
L3 Cache 18 MB 36 MB
Threads 16 24
Turbo frequency 4.5 GHz 5.4 GHz

Case

Case specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Area 838 cm2(129.9 inches2) 1195 cm2(185.2 inches2)
Colors Black, Gray, Green Black
Cooling system Active Active
Dimensions 359.8 x 232.9 x 18.9 mm14.17 x 9.17 x 0.74 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 Top: AluminumMiddle: PlasticBottom: Plastic Aluminum
Noise level (max. load) 62.6 dB 56 dB
Number of fans 1 4
Opening angle 180° 180°
Screen-to-body ratio ~80.1% ~78.6%
Side bezels 7.2 mm 7.7 mm
Transformer No No
Vapor chamber No Yes
Weight 1.8 kg (3.97 lbs) 3.5 kg (7.72 lbs)

Connectivity

Connectivity specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Audio jack (3.5 mm) Yes Yes
Bluetooth v5.2 v5.4
DisplayPort No No
Ethernet (RJ45) No Yes
Fingerprint Optional No
HDMI 1x HDMI 2.0 1x HDMI 2.1
Infrared sensor No 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 1280 x 720 2560 x 1440
Wi-Fi standard v6E v7

Display

Display specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Adobe RGB profile 98.6% 96.8%
Ambient light sensor No —
Aspect ratio 16:9 16:10
Coating Glossy Glossy
Contrast 1000000:1 1200:1
DCI-P3 color gamut 99.9% 88.9%
HDR support Yes, HDR10 Yes, Dolby Vision
PPI 141 ppi 252 ppi
Refresh rate 60 Hz 240 Hz
Resolution 1920 x 1080 pixels 3840 x 2400 pixels
Response time 1 ms 3 ms
Size 15.6 inches 18 inches
Sync technology No G-Sync
Touchscreen No No
Type OLED Mini LED
sRGB color space 100% 100%

Graphics Card

Graphics Card specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
FLOPS 1.7 TFLOPS 42 TFLOPS
GPU base clock 300 MHz 975 MHz
GPU boost clock 1300 MHz —
GPU performance 1.7 TFLOPS 42 TFLOPS
Memory size System Shared 16 GB
Memory speed 3.2 Gbps ~28 Gbps
Memory type DDR4 GDDR7
Raster operations pipelines (ROPs) 20 96
Shading units (cores) 640 7680
TGP 15 W 175 W
Texture mapping units (TMUs) 40 240
Memory bus — 256 bit
Nvidia Optimus — MUX

Input

Input specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Backlight Yes Yes
Key travel 1.4 mm 1.6 mm
Keyboard type Island Island
Numpad Yes Yes
Surface Plastic Glass
Windows Precision Yes Yes

RAM

RAM specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Channels 1x4 GB 2x16 GB
Clock 3200 MHz 5600 MHz
Max. ram size 16 GB 192 GB
Total slots 1 4
Upgradable Yes Yes

Sound

Sound specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Dolby Atmos No No
Loudness ~80.3 dB ~79 dB
Microphones 2 2
Speakers 2.0 2.2 (2 tweeters and 2 woofers)
Audio chip — Realtek ALC3306
Power — 2x2W, 2x2W

Storage

Storage specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) 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)

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Asus Vivobook S15 OLED (K3502, 12th Gen Intel) Lenovo Legion 9i Gen 10 (2025)
Blender GPU — 7717
Solar Bay — 123422

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