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NVIDIA RTX A4000 Laptop GPU vs NVIDIA RTX PRO 4000 Blackwell SFF: Comparison
NVIDIA RTX A4000 Laptop GPU and NVIDIA RTX PRO 4000 Blackwell SFF separate most on tdp: NVIDIA RTX A4000 Laptop GPU at 140 W, NVIDIA RTX PRO 4000 Blackwell SFF at 70 W, 100% in favour of NVIDIA RTX PRO 4000 Blackwell SFF. VRAM splits them by another 67%, again favouring NVIDIA RTX PRO 4000 Blackwell SFF. They match on gpu brand, tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | RTX Ampere Generation | RTX PRO Blackwell |
| Board Partner | OEM (varies by laptop model) | NVIDIA Reference (workstation, no AIB partners) |
| VRAM | 8 GB-67% | 24 GB |
| Tier | Mainstream | Mainstream |
| Memory Type | GDDR6 | GDDR7 |
| Ray Tracing Support | true | true |
| TDP | 140 W-100% | 70 W |
| Architecture | Ampere | Blackwell |
| Slot Width | N/A (mobile GPU, soldered to laptop motherboard) | 1 |
| CUDA Cores | 4608 | 8960 |
Verdict
NVIDIA RTX A4000 Laptop GPU
6.7 / 10 Expert Rating
A budget-friendly secondhand mobile workstation chip for everyday professional work.
NVIDIA RTX PRO 4000 Blackwell SFF
7.7 / 10 Expert Rating
A genuinely useful niche card - the only realistic way to get 24GB of workstation VRAM into a truly small chassis.
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