Asus ROG Zephyrus G14 GU405 RTX 5070 Ti (2026) vs Lenovo Legion 5 15 G11 RTX 5070 (2026)
What ROG Zephyrus G14 GU405 RTX 5070 Ti (2026) does better (16) and where Legion 5 15 G11 RTX 5070 (2026) wins (10) — every spec side by side.
vs
9.0Graphics8.7
9.1Overall performance8.8
8.8Display9.2
3.0Memory & storage5.0
6.8Battery & portability4.0
8.2Features & cooling5.2
Dimensions
Size comparison
ROG Zephyrus G14 GU405 RTX 5070 Ti (2026)Legion 5 15 G11 RTX 5070 (2026)
| ROG Zephyrus G14 GU405 RTX 5070 Ti (2026) | Legion 5 15 G11 RTX 5070 (2026) | Difference | |
|---|---|---|---|
| Depth | 220 mm | 246 mm | −26 mm |
| Width | 311 mm | 344 mm | −33 mm |
| Thickness | 18 mm | 20 mm | −2 mm |
| Weight | 1.6 kg | 1.9 kg | −0.3 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus G14 GU405 RTX 5070 Ti (2026) better than Legion 5 15 G11 RTX 5070 (2026)?
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- 3DMark Steel Nomad Light17,182 vs 13,371+29%
- Weight1.58 kg vs 1.88 kg+19%
- GPU compute (FP32)26.8 TFLOPS vs 26.2 TFLOPS+2%
- GPU shader cores5,888 vs 4,608+28%
- RAM typeLPDDR5X vs DDR5
- Liquid metal (CPU)Yes · Legion 5 15 G11 RTX 5070 (2026): No
- SD card readerYes · Legion 5 15 G11 RTX 5070 (2026): No
- Dolby AtmosYes · Legion 5 15 G11 RTX 5070 (2026): No
- Thickness18 mm vs 20 mm+11%
- RAM speed8,533 MHz vs 5,600 MHz+52%
- Cooling fans3 vs 2+50%
Why is Legion 5 15 G11 RTX 5070 (2026) better than ROG Zephyrus G14 GU405 RTX 5070 Ti (2026)?
- Refresh rate120 Hz vs 165 Hz+38%
- Battery capacity73 Wh vs 80 Wh+10%
- CPU cores16 vs 24+50%
- Max. supported RAM32 GB vs 64 GB2×
- Upgradable RAMNo · ROG Zephyrus G14 GU405 RTX 5070 Ti (2026): Yes
- M.2 SSD slots1 vs 22×
- USB-A ports2 vs 3+50%
- Max CPU clock4.9 GHz vs 5.5 GHz+12%
- Screen size14″ vs 15.3″+9%
- Fan noise (max. load)55.5 dB vs 51.9 dB+7%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Ti Laptop | GeForce RTX 5070 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | 115 W |
| Video memory | 12 GB | 12 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 5,888 | 4,608 |
| GPU compute (FP32) | 26.8 TFLOPS | 26.2 TFLOPS |
| 3DMark Steel Nomad Light | 17,182 | 13,371 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 24 |
| CPU threads | 16 | — |
| Max CPU clock | 4.9 GHz | 5.5 GHz |
| Processor options | Core Ultra 9 386H | Core Ultra 7 251HX, Core Ultra 7 356H, Core Ultra 9 386H, Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | 16,499 | — |
| Geekbench 6 single-core | 2,763 | — |
| Cinebench 2024 multi-core | 1,230 | — |
| Display | ||
| Screen size | 14″ | 15.3″ |
| Resolution | 2880 × 1800 | 2560 × 1600 |
| Resolution class | 3K (1800p/2000p) | QHD (1440p/1600p) |
| Refresh rate | 120 Hz | 165 Hz |
| Panel type | OLED | OLED |
| Brightness | 500 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 243 ppi | 197 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | 8,533 MHz | 5,600 MHz |
| Max. supported RAM | 32 GB | 64 GB |
| RAM slots | — | 2 |
| Upgradable RAM | No | Yes |
| SSD (up to) | 1,000 GB | 1,000 GB |
| SSD (base) | 1,000 GB | 1,000 GB |
| M.2 SSD slots | 1 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 73 Wh | 80 Wh |
| Power adapter | 250 W | 245 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 100 W |
| Design & cooling | ||
| Weight | 1.58 kg | 1.88 kg |
| Thickness | 18 mm | 20 mm |
| Width | 311 mm | 344 mm |
| Depth | 220 mm | 246 mm |
| Body material | Aluminium | Aluminium, Plastic |
| Colours | White | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 55.5 dB | 51.9 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 5.4 |
| Keyboard & camera | ||
| Keyboard backlight | Single-colour RGB | — |
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | Yes |
| Key travel | 1.7 mm | 1.6 mm |
| Webcam | 1,080p | 720p |
| IR camera (face login) | Yes | — |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | No |
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