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