NVIDIA RTX PRO 2000 Blackwell Mobile vs NVIDIA A40 PCIe
GPU Specs Compare
Graphics Card
Release Date
Unknown
Oct 2020
Generation
Blackwell-MW
Tesla
Type
Mobile
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
952 MHz
1305 MHz
Boost Clock
1657 MHz
1740 MHz
Memory Clock
1500 MHz
1812 MHz
Memory
Memory Size
8GB
48GB
Memory Type
GDDR7
GDDR6
Memory Bus
128bit
384bit
Bandwidth
384.0GB/s
695.8GB/s
Render Config
SM Count
26
84
Shading Units
3328
10752
TMUs
104
336
ROPs
32
112
Tensor Cores
104
336
RT Cores
26
84
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
32 MB
6 MB
Theoretical Performance
Pixel Rate
53.02 GPixel/s
194.9 GPixel/s
Texture Rate
172.3 GTexel/s
584.6 GTexel/s
FP16 (half)
11.03 TFLOPS
37.42 TFLOPS
FP32 (float)
11.03 TFLOPS
37.42 TFLOPS
FP64 (double)
172.3 GFLOPS
584.6 GFLOPS
Graphics Processor
GPU Name
GB206
GA102
GPU Variant
GB206
-
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
21.9 billion
28.3 billion
Die Size
181 mm²
628 mm²
Board Design
TDP
45W
300W
Outputs
Portable Device Dependent
3x DisplayPort 1.4a
Power Connectors
None
8-pin EPS
Suggested PSU
-
700 W
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