NVIDIA RTX PRO 6000D Blackwell Max-Q vs NVIDIA A40 PCIe
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Oct 2020
Generation
Blackwell PRO W
Tesla
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1590 MHz
1305 MHz
Boost Clock
2288 MHz
1740 MHz
Memory Clock
1750 MHz
1812 MHz
Memory
Memory Size
96GB
48GB
Memory Type
GDDR7
GDDR6
Memory Bus
512bit
384bit
Bandwidth
1.79TB/s
695.8GB/s
Render Config
SM Count
188
84
Shading Units
24064
10752
TMUs
752
336
ROPs
192
112
Tensor Cores
752
336
RT Cores
188
84
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
128 MB
6 MB
Theoretical Performance
Pixel Rate
439.3 GPixel/s
194.9 GPixel/s
Texture Rate
1720.6 GTexel/s
584.6 GTexel/s
FP16 (half)
110.1 TFLOPS
37.42 TFLOPS
FP32 (float)
110.1 TFLOPS
37.42 TFLOPS
FP64 (double)
1.721 TFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
GB202
GA102
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
92.2 billion
28.3 billion
Die Size
750 mm²
628 mm²
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
4x DisplayPort 2.1b
3x DisplayPort 1.4a
Power Connectors
1x 16-pin
8-pin EPS
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
6.8
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.