NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA Quadro RTX 4000 Max Q
GPU Specs Compare
Graphics Card
Release Date
Aug 2025
May 2019
Generation
Blackwell PRO W
Quadro Mobile
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
577 MHz
780 MHz
Boost Clock
1432 MHz
1380 MHz
Memory Clock
1125 MHz
1625 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
256bit
Bandwidth
432.0GB/s
416.0GB/s
Render Config
SM Count
70
40
Shading Units
8960
2560
TMUs
280
160
ROPs
96
64
Tensor Cores
280
320
RT Cores
70
40
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
48 MB
4 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
88.32 GPixel/s
Texture Rate
401.0 GTexel/s
220.8 GTexel/s
FP16 (half)
25.66 TFLOPS
14.13 TFLOPS
FP32 (float)
25.66 TFLOPS
7.066 TFLOPS
FP64 (double)
401.0 GFLOPS
220.8 GFLOPS
Graphics Processor
GPU Name
GB203
TU104
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
45.6 billion
13.6 billion
Die Size
378 mm²
545 mm²
Board Design
TDP
70W
80W
Suggested PSU
250 W
-
Outputs
4x mini-DisplayPort 2.1b
No outputs
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
7.5
Shader Model
6.8
6.6