Lenovo Legion 9i Gen 10 (2025) vs Microsoft Surface Book 3 13.5
[ 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 Microsoft Surface Book 3 13.5 (52/100), offering superior measured performance and technical specifications.
Why choose Lenovo Legion 9i Gen 10 (2025):
- + Higher Gaming score (92 vs 16)
- + Higher DeviceBenchmark Score score (89 vs 52)
- + Higher Performance score (96 vs 36)
Benchmark Performance Comparison
Normalized Lab Scores| Benchmark | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| DeviceBenchmark Score | 89.0 Very Good WINNER | 52.0 Below Average |
| Gaming | 92.0 Excellent WINNER | 16.0 Poor |
| Performance | 96.0 Excellent WINNER | 36.0 Poor |
Detailed Technical Specifications
Battery
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Battery type | Li-Po | Li-Po |
| Charge power | 400 W | 65 / 102 W |
| Charging port position | Left, Bottom | Left |
| Charging via USB (Power Delivery) | Yes, 140 W | Yes |
| Fast charging | Yes | Yes |
| Replaceable | No | No |
| Weight of AC adapter | 1247 grams | — |
CPU
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Base frequency | 2.7 GHz | 1.3 GHz |
| Cores | 24 (8P + 16E) | 4 |
| Fabrication process | 3 nm | 10 nm |
| Integrated GPU | Arc Graphics (4-Cores) | Intel Iris Plus Graphics G7 |
| L3 Cache | 36 MB | 8 MB |
| Threads | 24 | 8 |
| Turbo frequency | 5.4 GHz | 3.9 GHz |
Case
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Area | 1195 cm2(185.2 inches2) | 724 cm2(112.1 inches2) |
| Colors | Black | Silver |
| Cooling system | Active | Active |
| Dimensions | 403 x 296.5 x 23.9-27.95 mm15.87 x 11.67 x 0.94-1.1 inches | 312 x 232 x 15-23 mm12.28 x 9.13 x 0.59-0.91 inches |
| Liquid metal | Yes | — |
| Material | Aluminum | Aluminum |
| Noise level (max. load) | 56 dB | 33.6 dB |
| Number of fans | 4 | 2 |
| Opening angle | 180° | 360° |
| Screen-to-body ratio | ~78.6% | ~75% |
| Side bezels | 7.7 mm | 13.3 mm |
| Transformer | No | Yes |
| Vapor chamber | Yes | No |
| Weight | 3.5 kg (7.72 lbs) | 1.64 kg (3.62 lbs) |
Connectivity
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Audio jack (3.5 mm) | Yes | Yes |
| Bluetooth | v5.4 | v5 |
| DisplayPort | No | No |
| Ethernet (RJ45) | Yes | No |
| Fingerprint | No | Yes |
| HDMI | 1x HDMI 2.1 | No |
| Infrared sensor | Yes | No |
| Optical drive | No | No |
| Proprietary charging port | Yes | No |
| SD card reader | Yes | Yes |
| Thunderbolt | Thunderbolt 5 | No |
| USB Type-C | 3x USB 4.0 | 1x USB 3.2 |
| USB-A | 3x USB 3.2 | 1x USB 3.2 |
| VGA | No | No |
| Webcam | Above the display | Above the display |
| Webcam resolution | 2560 x 1440 | 1280 x 720 |
| Wi-Fi standard | v7 | v6 |
Display
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Adobe RGB profile | 96.8% | 61% |
| Aspect ratio | 16:10 | 3:2 |
| Coating | Glossy | Glossy |
| Contrast | 1200:1 | 1600:1 |
| DCI-P3 color gamut | 88.9% | — |
| HDR support | Yes, Dolby Vision | No |
| PPI | 252 ppi | 267 ppi |
| Refresh rate | 240 Hz | 60 Hz |
| Resolution | 3840 x 2400 pixels | 3000 x 2000 pixels |
| Response time | 3 ms | 35 ms |
| Size | 18 inches | 13.5 inches |
| Sync technology | G-Sync | No |
| Touchscreen | No | Yes |
| Type | Mini LED | IPS LCD |
| sRGB color space | 100% | 95% |
| Ambient light sensor | — | Yes |
GPU Benchmarks
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Blender GPU | 7717 | 374 |
| Solar Bay | 123422 | — |
Graphics Card
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| FLOPS | 42 TFLOPS | 3.2 TFLOPS |
| GPU base clock | 975 MHz | 1380 MHz |
| GPU performance | 42 TFLOPS | 3.2 TFLOPS |
| Memory bus | 256 bit | 128 bit |
| Memory size | 16 GB | 4 GB |
| Memory speed | ~28 Gbps | ~12 Gbps |
| Memory type | GDDR7 | GDDR6 |
| Nvidia Optimus | MUX | — |
| Raster operations pipelines (ROPs) | 96 | 32 |
| Shading units (cores) | 7680 | 1024 |
| TGP | 175 W | — |
| Texture mapping units (TMUs) | 240 | 64 |
| GPU boost clock | — | 1560 MHz |
Input
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Backlight | Yes | Yes |
| Key travel | 1.6 mm | 1.55 mm |
| Keyboard type | Island | Island |
| Numpad | Yes | No |
| Surface | Glass | Glass |
| Windows Precision | Yes | Yes |
RAM
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Channels | 2x16 GB | 2x4 GB |
| Clock | 5600 MHz | 3733 MHz |
| Max. ram size | 192 GB | — |
| Total slots | 4 | 2 |
| Upgradable | Yes | No |
Sound
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Audio chip | Realtek ALC3306 | Intel Ice Lake-U/Y PCH-LP cAVS |
| Dolby Atmos | No | Yes |
| Loudness | ~79 dB | ~61.8 dB |
| Microphones | 2 | 2 |
| Power | 2x2W, 2x2W | — |
| Speakers | 2.2 (2 tweeters and 2 woofers) | 2.0 |
Storage
| Specification | Lenovo Legion 9i Gen 10 (2025) | Microsoft Surface Book 3 13.5 |
|---|---|---|
| Bus | PCI-E Gen 5.0 (4x) | PCI-E Gen 3.0 (4x) |
| NVMe | Yes | Yes |
| Storage type | SSD (M2) | SSD (M2) |
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