NVIDIA RTX A400 vs NVIDIA RTX PRO 6000D Blackwell
GPU Specs Compare
Graphics Card
Release Date
Apr 2024
Mar 2025
Generation
Quadro Ampere(Ax000)
Blackwell PRO W
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
1417 MHz
1590 MHz
Boost Clock
1762 MHz
2617 MHz
Memory Clock
1500 MHz
1750 MHz
Memory
Memory Size
4GB
96GB
Memory Type
GDDR6
GDDR7
Memory Bus
64bit
512bit
Bandwidth
96.00GB/s
1.79TB/s
Render Config
SM Count
6
188
Shading Units
768
24064
TMUs
24
752
ROPs
16
192
Tensor Cores
24
752
RT Cores
6
188
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
2 MB
128 MB
Theoretical Performance
Pixel Rate
28.19 GPixel/s
502.5 GPixel/s
Texture Rate
42.29 GTexel/s
1968.0 GTexel/s
FP16 (half)
2.706 TFLOPS
126.0 TFLOPS
FP32 (float)
2.706 TFLOPS
126.0 TFLOPS
FP64 (double)
42.29 GFLOPS
1.968 TFLOPS
Graphics Processor
GPU Name
GA107
GB202
Architecture
Ampere
Blackwell 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
8.7 billion
92.2 billion
Die Size
200 mm²
750 mm²
Board Design
TDP
50W
600W
Suggested PSU
250 W
1000 W
Outputs
4x mini-DisplayPort 1.4a
4x DisplayPort 2.1b
Power Connectors
None
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.4
CUDA
8.6
12.0
Shader Model
6.8
6.8