NVIDIA RTX 6000D vs NVIDIA RTX A400
GPU Specs Compare
Graphics Card
Release Date
Jul 2025
Apr 2024
Generation
Blackwell PRO W
Quadro Ampere(Ax000)
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1992 MHz
1417 MHz
Boost Clock
2430 MHz
1762 MHz
Memory Clock
1560 MHz
1500 MHz
Memory
Memory Size
84GB
4GB
Memory Type
GDDR7
GDDR6
Memory Bus
448bit
64bit
Bandwidth
1.40TB/s
96.00GB/s
Render Config
SM Count
156
6
Shading Units
19968
768
TMUs
624
24
ROPs
192
16
Tensor Cores
624
24
RT Cores
156
6
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
128 MB
2 MB
Theoretical Performance
Pixel Rate
466.6 GPixel/s
28.19 GPixel/s
Texture Rate
1516.3 GTexel/s
42.29 GTexel/s
FP16 (half)
97.04 TFLOPS
2.706 TFLOPS
FP32 (float)
97.04 TFLOPS
2.706 TFLOPS
FP64 (double)
1.516 TFLOPS
42.29 GFLOPS
Graphics Processor
GPU Name
GB202
GA107
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
92.2 billion
8.7 billion
Die Size
750 mm²
200 mm²
Board Design
TDP
600W
50W
Suggested PSU
1000 W
250 W
Outputs
4x DisplayPort 2.1b
4x mini-DisplayPort 1.4a
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
8.6
Shader Model
6.9
6.8