vs
5.7Graphics6.7
5.1Overall performance6.1
8.0Display4.0
3.1Memory & storage3.2
9.1Battery & portability3.9
6.3Features & cooling3.8
Dimensions
Size comparison
Legion 5 15 RTX 5050 (2025)Katana A15 AI B8 RTX 4070 (2024)
| Legion 5 15 RTX 5050 (2025) | Katana A15 AI B8 RTX 4070 (2024) | Difference | |
|---|---|---|---|
| Depth | 255.3 mm | 259 mm | −3.7 mm |
| Width | 344.9 mm | 359 mm | −14.1 mm |
| Thickness | 21.5 mm | 25 mm | −3.5 mm |
| Weight | 2.2 kg | 2.2 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Legion 5 15 RTX 5050 (2025) better than Katana A15 AI B8 RTX 4070 (2024)?
- Battery capacity80 Wh vs 54 Wh+50%
- Resolution classQHD (1440p/1600p) vs Full HD (1080p/1200p)
- Brightness500 nits vs 250 nits2×
- Thunderbolt or USB4Yes · Katana A15 AI B8 RTX 4070 (2024): No
- GPU power (TGP)115 W vs 105 W+10%
- Refresh rate165 Hz vs 144 Hz+15%
- Weight2.2 kg vs 2.25 kg+2%
- USB-C charging (Power Delivery)Yes · Katana A15 AI B8 RTX 4070 (2024): No
- USB-C ports2 vs 12×
- Wi-Fi standardWi-Fi 7 vs Wi-Fi 6+17%
- Thickness21.5 mm vs 25 mm+16%
- sRGB coverage100% vs 69%+45%
Why is Katana A15 AI B8 RTX 4070 (2024) better than Legion 5 15 RTX 5050 (2025)?
- MUX switchNo · Legion 5 15 RTX 5050 (2025): Yes
- SSD (up to)512 GB vs 1,000 GB+95%
- GPU shader cores2,560 vs 4,608+80%
- 3DMark Steel Nomad Light9,895 vs 12,396+25%
- GPU compute (FP32)14.9 TFLOPS vs 18.2 TFLOPS+22%
- G-Sync / FreeSyncNo · Legion 5 15 RTX 5050 (2025): Yes
- SSD (base)512 GB vs 1,000 GB+95%
- Screen size15.1″ vs 15.6″+3%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5050 Laptop | GeForce RTX 4070 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | 105 W |
| Video memory | 8 GB | 8 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 2,560 | 4,608 |
| GPU compute (FP32) | 14.9 TFLOPS | 18.2 TFLOPS |
| 3DMark Steel Nomad Light | 9,895 | 12,396 |
| Processor | ||
| Processor | Ryzen 7 260 | Ryzen 9 8945HS |
| CPU maker | AMD | AMD |
| CPU cores | 8 | 8 |
| Max CPU clock | 5.1 GHz | 5.2 GHz |
| Processor options | Core i7-13650HX, Ryzen 7 250, Ryzen 7 260 | Ryzen 7 8845HS, Ryzen 9 8945HS |
| Display | ||
| Screen size | 15.1″ | 15.6″ |
| Resolution | 2560 × 1600 | 1920 × 1080 |
| Resolution class | QHD (1440p/1600p) | Full HD (1080p/1200p) |
| Refresh rate | 165 Hz | 144 Hz |
| Panel type | IPS | IPS |
| Brightness | 500 nits | 250 nits |
| sRGB coverage | 100% | 69% |
| Response time | — | 3 ms |
| DCI-P3 coverage | — | 51% |
| Pixel density | 150 ppi | 141 ppi |
| Aspect ratio | 16:10 | 16:9 |
| G-Sync / FreeSync | No | Yes |
| Advanced Optimus | No | No |
| MUX switch | No | Yes |
| HDR | No | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 16 GB | 16 GB |
| RAM (base) | 16 GB | 16 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 512 GB | 1,000 GB |
| SSD (base) | 512 GB | 1,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 80 Wh | 54 Wh |
| Power adapter | 245 W | 200 W |
| USB-C charging (Power Delivery) | Yes | No |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 2.2 kg | 2.25 kg |
| Thickness | 21.5 mm | 25 mm |
| Width | 344.9 mm | 359 mm |
| Depth | 255.3 mm | 259 mm |
| Body material | Aluminium, Plastic | Plastic |
| Colours | Black | Black |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | No | No |
| Fan noise (max. load) | 50.1 dB | 50 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | — |
| Thunderbolt or USB4 | Yes | No |
| USB-C ports | 2 | 1 |
| USB-A ports | 3 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | — | 1 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | No | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 6 |
| Bluetooth | 5.4 | 5.3 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.6 mm | 1.5 mm |
| Webcam | 720p | 720p |
| IR camera (face login) | No | No |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 2 speakers |
| Dolby Atmos | No | No |
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