Asus ROG Flow Z13-KJP (2026) 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 ROG Flow Z13-KJP (2026) (73/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Gaming 41.0 Poor 92.0 Excellent WINNER
NanoReview Score 73.0 Good 89.0 Very Good WINNER
Performance 87.0 Very Good 96.0 Excellent WINNER

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Battery type Li-Po Li-Po
Charge power 200 W 400 W
Charging port position Left Left, Bottom
Charging via USB (Power Delivery) Yes Yes, 140 W
Fast charging Yes Yes
Full charging time 1:40 hr
Replaceable No No
Weight of AC adapter 1247 grams

CPU

CPU specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Base frequency 3.0 GHz 2.7 GHz
Cores 16 24 (8P + 16E)
Fabrication process 4 nm 3 nm
Integrated GPU Radeon 8060S Arc Graphics (4-Cores)
L3 Cache 64 MB 36 MB
Threads 32 24
Turbo frequency 5.1 GHz 5.4 GHz

Case

Case specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Area 612 cm2(94.8 inches2) 1195 cm2(185.2 inches2)
Colors Black Black
Cooling system Active Active
Dimensions 300 x 204 x 14.5-14.9 mm11.81 x 8.03 x 0.57-0.59 inches 403 x 296.5 x 23.9-27.95 mm15.87 x 11.67 x 0.94-1.1 inches
Liquid metal Yes Yes
Material Aluminum Aluminum
Number of fans 2 4
Opening angle 360° 180°
Screen-to-body ratio ~85.1% ~78.6%
Side bezels 5.7 mm 7.7 mm
Transformer Yes No
Vapor chamber Yes Yes
Weight 1.72 kg (3.79 lbs) 3.5 kg (7.72 lbs)
Noise level (max. load) 56 dB

Connectivity

Connectivity specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) 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 No No
HDMI 1x HDMI 2.1 1x HDMI 2.1
Infrared sensor Optional Yes
Optical drive No No
Proprietary charging port Yes Yes
SD card reader Yes Yes
Thunderbolt No Thunderbolt 5
USB Type-C 2x USB 4.0 3x USB 4.0
USB-A 1x USB 3.2 3x USB 3.2
VGA No No
Webcam Above the display Above the display
Wi-Fi standard v7 v7
Webcam resolution 2560 x 1440

Display

Display specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Ambient light sensor Yes
Aspect ratio 16:10 16:10
Coating Glossy Glossy
DCI-P3 color gamut 100% 88.9%
HDR support Yes, Dolby Vision Yes, Dolby Vision
PPI 225 ppi 252 ppi
Refresh rate 180 Hz 240 Hz
Resolution 2560 x 1600 pixels 3840 x 2400 pixels
Response time 3 ms 3 ms
Size 13.4 inches 18 inches
Sync technology Adaptive Sync G-Sync
Touchscreen Yes No
Type IPS LCD Mini LED
Adobe RGB profile 96.8%
Contrast 1200:1
sRGB color space 100%

GPU Benchmarks

GPU Benchmarks specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Blender GPU 1318 7717
Solar Bay 48212 123422

Graphics Card

Graphics Card specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
FLOPS 14.8 TFLOPS 42 TFLOPS
GPU base clock 1295 MHz 975 MHz
GPU boost clock 2900 MHz
GPU performance 14.8 TFLOPS 42 TFLOPS
Memory size System Shared 16 GB
Memory speed 8 Gbps ~28 Gbps
Memory type LPDDR5X GDDR7
Raster operations pipelines (ROPs) 64 96
Shading units (cores) 2560 7680
TGP 55 W 175 W
Texture mapping units (TMUs) 160 240
Memory bus 256 bit
Nvidia Optimus MUX

Input

Input specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) 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 Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Channels 2x8 GB 2x16 GB
Clock 8000 MHz 5600 MHz
Upgradable No Yes
Max. ram size 192 GB
Total slots 1 4

Sound

Sound specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) Lenovo Legion 9i Gen 10 (2025)
Dolby Atmos Yes No
Microphones 3 2
Power 2x2W 2x2W, 2x2W
Speakers 2.0 2.2 (2 tweeters and 2 woofers)
Audio chip Realtek ALC3306
Loudness ~79 dB

Storage

Storage specifications comparison
Specification Asus ROG Flow Z13-KJP (2026) 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

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