Asus VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023) vs Lenovo Legion 9i Gen 8 RTX 4080 (2023)
What VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023) does better (4) and where Legion 9i Gen 8 RTX 4080 (2023) wins (20) — every spec side by side.
vs
7.5Graphics9.3
8.9Overall performance9.5
9.1Display9.5
6.7Memory & storage7.4
9.6Battery & portability9.0
8.9Features & cooling9.0
Dimensions
Size comparison
VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023)Legion 9i Gen 8 RTX 4080 (2023)
| VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023) | Legion 9i Gen 8 RTX 4080 (2023) | Difference | |
|---|---|---|---|
| Depth | 249 mm | 277.7 mm | −28.7 mm |
| Width | 355 mm | 357.7 mm | −2.7 mm |
| Thickness | 22.9 mm | 22.7 mm | +0.2 mm |
| Weight | 2 kg | 2.6 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023) better than Legion 9i Gen 8 RTX 4080 (2023)?
- Panel typeOLED vs Mini-LED
- Weight2 kg vs 2.55 kg+27%
- Response time1 ms vs 3 ms3×
- Dolby AtmosYes · Legion 9i Gen 8 RTX 4080 (2023): No
Why is Legion 9i Gen 8 RTX 4080 (2023) better than VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023)?
- GPU compute (FP32)20 TFLOPS vs 37.6 TFLOPS+88%
- Brightness350 nits vs 1,200 nits3.4×
- GPU power (TGP)125 W vs 175 W+40%
- 3DMark Steel Nomad Light13,926 vs 21,815+57%
- Resolution classQHD (1440p/1600p) vs 3K (1800p/2000p)
- Battery capacity90 Wh vs 100 Wh+11%
- GPU shader cores4,608 vs 7,424+61%
- Video memory8 GB vs 12 GB+50%
- G-Sync / FreeSyncNo · VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023): Yes
- RAM (base)16 GB vs 32 GB2×
- M.2 SSD slots1 vs 22×
- Liquid metal (CPU)No · VivoBook Pro 16X 3D OLED K6604 RTX 4070 (2023): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4070 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 125 W | 175 W |
| Video memory | 8 GB | 12 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 4,608 | 7,424 |
| GPU compute (FP32) | 20 TFLOPS | 37.6 TFLOPS |
| 3DMark Steel Nomad Light | 13,926 | 21,815 |
| Processor | ||
| Processor | Core i9-13980HX | Core i9-13980HX |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 32 | 32 |
| Max CPU clock | 5.6 GHz | 5.6 GHz |
| Processor options | Core i9-13980HX | Core i9-13980HX |
| Geekbench 6 multi-core | 17,875 | 18,175 |
| Geekbench 6 single-core | 2,823 | 2,922 |
| Cinebench 2024 multi-core | 2,100 | 2,145 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 3200 × 2000 |
| Resolution class | QHD (1440p/1600p) | 3K (1800p/2000p) |
| Refresh rate | 165 Hz | 165 Hz |
| Panel type | OLED | Mini-LED |
| Brightness | 350 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 3 ms |
| DCI-P3 coverage | — | 100% |
| Pixel density | 189 ppi | 236 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | No | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 2,048 GB | 2,048 GB |
| SSD (base) | 512 GB | 512 GB |
| M.2 SSD slots | 1 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 240 W | 330 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2 kg | 2.55 kg |
| Thickness | 22.9 mm | 22.7 mm |
| Width | 355 mm | 357.7 mm |
| Depth | 249 mm | 277.7 mm |
| Body material | Plastic | Aluminium |
| Colours | Black, Silver | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | No | Yes |
| Fan noise (max. load) | 56.9 dB | 54.8 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 3 |
| USB-A ports | 2 | 2 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.3 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | 1.4 mm | 1.5 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | No |
| Fingerprint reader | Yes | Yes |
| Audio | ||
| Speakers | 2.0 | 2.0 |
| Dolby Atmos | Yes | No |
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