NVIDIA RTX PRO 4000 Blackwell SFF vs NVIDIA GeForce RTX 4070 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Aug 2025
Jan 2023
Generation
Blackwell PRO W
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x8
PCIe 4.0 x8
Clock Speeds
Base Clock
577 MHz
1395 MHz
Boost Clock
1432 MHz
1695 MHz
Memory Clock
1125 MHz
2000 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR7
GDDR6
Memory Bus
192bit
128bit
Bandwidth
432.0GB/s
256.0GB/s
Render Config
SM Count
70
36
Shading Units
8960
4608
TMUs
280
144
ROPs
96
48
Tensor Cores
280
144
RT Cores
70
36
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
48 MB
32 MB
Theoretical Performance
Pixel Rate
137.5 GPixel/s
81.36 GPixel/s
Texture Rate
401.0 GTexel/s
244.1 GTexel/s
FP16 (half)
25.66 TFLOPS
15.62 TFLOPS
FP32 (float)
25.66 TFLOPS
15.62 TFLOPS
FP64 (double)
401.0 GFLOPS
244.1 GFLOPS
Graphics Processor
GPU Name
GB203
AD106
Architecture
Blackwell 2.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
45.6 billion
22.9 billion
Die Size
378 mm²
188 mm²
GPU Variant
—
GN21-X6
Board Design
TDP
70W
115W
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
8.9
Shader Model
6.8
6.8
3DMark
id
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▲ Specs Compare
Data sourced from official specifications and benchmark tests.