NVIDIA RTX PRO 2000 Blackwell vs NVIDIA RTX A4000 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Apr 2021
Generation
Blackwell PRO W
Ampere-MW
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
982 MHz
780 MHz
Boost Clock
1957 MHz
1395 MHz
Memory Clock
1125 MHz
1375 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR7
GDDR6
Memory Bus
128bit
256bit
Bandwidth
288.0GB/s
352.0GB/s
Render Config
SM Count
34
40
Shading Units
4352
5120
TMUs
136
160
ROPs
64
80
Tensor Cores
136
160
RT Cores
34
40
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
32 MB
4 MB
Theoretical Performance
Pixel Rate
125.2 GPixel/s
111.6 GPixel/s
Texture Rate
266.2 GTexel/s
223.2 GTexel/s
FP16 (half)
17.03 TFLOPS
14.28 TFLOPS
FP32 (float)
17.03 TFLOPS
14.28 TFLOPS
FP64 (double)
266.2 GFLOPS
223.2 GFLOPS
Graphics Processor
GPU Name
GB206
GA104
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
21.9 billion
17.4 billion
Die Size
181 mm²
392 mm²
Board Design
TDP
70W
80W
Suggested PSU
250 W
—
Outputs
4x mini-DisplayPort 2.1b
Portable Device Dependent
Power Connectors
None
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
6.8
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.