MSI Stealth 16 AI+ B3 RTX 5080 (2026) vs Samsung Galaxy Book 6 Ultra RTX 5070 (2026)
What Stealth 16 AI+ B3 RTX 5080 (2026) does better (15) and where Galaxy Book 6 Ultra RTX 5070 (2026) wins (13) — every spec side by side.
vs
9.5Graphics7.5
9.4Overall performance8.5
9.0Display8.4
5.0Memory & storage4.0
5.0Battery & portability8.8
6.1Features & cooling7.1
Dimensions
Size comparison
Stealth 16 AI+ B3 RTX 5080 (2026)Galaxy Book 6 Ultra RTX 5070 (2026)
| Stealth 16 AI+ B3 RTX 5080 (2026) | Galaxy Book 6 Ultra RTX 5070 (2026) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 248 mm | −2 mm |
| Width | 354 mm | 357 mm | −3 mm |
| Thickness | 20 mm | 15 mm | +5 mm |
| Weight | 2 kg | 1.9 kg | +0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is Stealth 16 AI+ B3 RTX 5080 (2026) better than Galaxy Book 6 Ultra RTX 5070 (2026)?
- Refresh rate240 Hz vs 120 Hz2×
- GPU power (TGP)125 W vs 90 W+39%
- 3DMark Steel Nomad Light21,645 vs 13,392+62%
- GPU compute (FP32)32 TFLOPS vs 21.1 TFLOPS+52%
- Video memory16 GB vs 8 GB2×
- MUX switchYes · Galaxy Book 6 Ultra RTX 5070 (2026): No
- Battery capacity90 Wh vs 80 Wh+12%
- GPU shader cores7,680 vs 4,608+67%
- Geekbench 6 multi-core16,973 vs 16,323+4%
- Upgradable RAMYes · Galaxy Book 6 Ultra RTX 5070 (2026): No
- USB-A ports2 vs 12×
- IR camera (face login)Yes · Galaxy Book 6 Ultra RTX 5070 (2026): No
Why is Galaxy Book 6 Ultra RTX 5070 (2026) better than Stealth 16 AI+ B3 RTX 5080 (2026)?
- Resolution classQHD (1440p/1600p) vs 3K (1800p/2000p)
- Brightness600 nits vs 1,000 nits+67%
- Weight1.99 kg vs 1.86 kg+7%
- Thickness20 mm vs 15 mm+33%
- HDRNo · Stealth 16 AI+ B3 RTX 5080 (2026): Yes
- RAM typeDDR5 vs LPDDR5X
- Vapor chamber coolingNo · Stealth 16 AI+ B3 RTX 5080 (2026): Yes
- SD card readerNo · Stealth 16 AI+ B3 RTX 5080 (2026): Yes
- Dolby AtmosNo · Stealth 16 AI+ B3 RTX 5080 (2026): Yes
- USB-C charging power100 W vs 140 W+40%
- RAM speed7,200 MHz vs 8,533 MHz+19%
- Fan noise (max. load)56.7 dB vs 48.5 dB+17%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 Laptop | GeForce RTX 5070 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 125 W | 90 W |
| Video memory | 16 GB | 8 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 4,608 |
| GPU compute (FP32) | 32 TFLOPS | 21.1 TFLOPS |
| 3DMark Steel Nomad Light | 21,645 | 13,392 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 7 356H |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 16 |
| CPU threads | 16 | 16 |
| Max CPU clock | 4.9 GHz | 4.7 GHz |
| Processor options | Core Ultra 9 386H | Core Ultra 7 356H |
| Geekbench 6 multi-core | 16,973 | 16,323 |
| Geekbench 6 single-core | 2,859 | 2,825 |
| Cinebench 2024 multi-core | 1,247 | 1,165 |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2880 × 1800 |
| Resolution class | QHD (1440p/1600p) | 3K (1800p/2000p) |
| Refresh rate | 240 Hz | 120 Hz |
| Panel type | OLED | OLED |
| Brightness | 600 nits | 1,000 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 ppi | 212 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | No | No |
| Advanced Optimus | No | No |
| MUX switch | Yes | No |
| HDR | No | Yes |
| Touchscreen | No | Yes |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | DDR5 | LPDDR5X |
| RAM speed | 7,200 MHz | 8,533 MHz |
| Max. supported RAM | 128 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | No |
| SSD (up to) | 1,000 GB | 1,000 GB |
| SSD (base) | 1,000 GB | 1,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 80 Wh |
| Power adapter | 240 W | 140 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | 140 W |
| Design & cooling | ||
| Weight | 1.99 kg | 1.86 kg |
| Thickness | 20 mm | 15 mm |
| Width | 354 mm | 357 mm |
| Depth | 246 mm | 248 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black | Grey |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | No | No |
| Fan noise (max. load) | 56.7 dB | 48.5 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | USB4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 1 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet | 5 Gbit/s | — |
| Ethernet port | Yes | Yes |
| SD card reader | No | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | No |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | No |
| Fingerprint reader | Yes | Yes |
| Audio | ||
| Speakers | 2.2 | 6 speakers |
| Dolby Atmos | No | Yes |
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