NVIDIA RTX PRO 4000 Blackwell vs NVIDIA RTX A2000 12 GB
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Nov 2021
Generation
Blackwell PRO W
Quadro
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1230 MHz
562 MHz
Boost Clock
2055 MHz
1200 MHz
Memory Clock
1750 MHz
1500 MHz
Memory
Memory Size
24GB
12GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
192bit
Bandwidth
672.0GB/s
288.0GB/s
Render Config
SM Count
70
26
Shading Units
8960
3328
TMUs
280
104
ROPs
96
48
Tensor Cores
280
104
RT Cores
70
26
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
48 MB
3 MB
Theoretical Performance
Pixel Rate
197.3 GPixel/s
57.60 GPixel/s
Texture Rate
575.4 GTexel/s
124.8 GTexel/s
FP16 (half)
36.83 TFLOPS
7.987 TFLOPS
FP32 (float)
36.83 TFLOPS
7.987 TFLOPS
FP64 (double)
575.4 GFLOPS
124.8 GFLOPS
Graphics Processor
GPU Name
GB203
GA106
Architecture
Blackwell 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
45.6 billion
12 billion
Die Size
378 mm²
276 mm²
Board Design
TDP
140W
70W
Suggested PSU
300 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
6.8
6.6
Benchmark
3DMark Time Spy
—
5,834
3DMark Time Spy Extreme
—
2,681
OctaneBench
—
227
Blender
—
1,885
▲ Specs Compare
Data sourced from official specifications and benchmark tests.