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NVIDIA RTX A4000 vs NVIDIA RTX PRO 3000 Blackwell Generation Laptop GPU: Comparison
NVIDIA RTX A4000 and NVIDIA RTX PRO 3000 Blackwell Generation Laptop GPU separate most on vram: NVIDIA RTX A4000 at 16 GB, NVIDIA RTX PRO 3000 Blackwell Generation Laptop GPU at 12 GB, 25% in favour of NVIDIA RTX A4000. TDP splits them by another 22%, this time favouring NVIDIA RTX PRO 3000 Blackwell Generation Laptop GPU. They match on 4 other specifications, including gpu brand, tier and ray tracing support.
Specs
| Specification |  |  |
|---|---|---|
| GPU Brand | NVIDIA | NVIDIA |
| Series | RTX Ampere Generation | RTX PRO Blackwell |
| Board Partner | PNY / NVIDIA Reference | OEM (varies by laptop model) |
| VRAM | 16 GB | 12 GB-25% |
| Tier | Mainstream | Mainstream |
| Memory Type | GDDR6 | GDDR7 |
| Ray Tracing Support | true | true |
| TDP | 140 W-22% | 115 W |
| Architecture | Ampere | Blackwell |
| Slot Width | 1 | N/A (mobile GPU, soldered to laptop motherboard) |
| CUDA Cores | 6144 | 4608 |
| Memory ECC Support | Yes (driver-selectable) | Yes (driver-selectable) |
Verdict
NVIDIA RTX A4000
7.2 / 10 Expert Rating
Still one of the best VRAM-per-slot workstation cards for CAD and inference work; not the pick for gaming, but excellent at what it's built for.
NVIDIA RTX PRO 3000 Blackwell Generation Laptop GPU
7.5 / 10 Expert Rating
A good pick for mobile professionals who want certified drivers in a genuinely portable laptop.
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