NVIDIA RTX PRO 4000 Blackwell vs AMD Radeon Instinct MI8
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Dec 2016
Generation
Blackwell PRO W
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1230 MHz
—
Boost Clock
2055 MHz
—
Memory Clock
1750 MHz
500 MHz
Memory
Memory Size
24GB
4GB
Memory Type
GDDR7
HBM
Memory Bus
192bit
4096bit
Bandwidth
672.0GB/s
512.0GB/s
Render Config
SM Count
70
—
Shading Units
8960
4096
TMUs
280
256
ROPs
96
64
Tensor Cores
280
—
RT Cores
70
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
2 MB
Compute Units
—
64
Theoretical Performance
Pixel Rate
197.3 GPixel/s
64.00 GPixel/s
Texture Rate
575.4 GTexel/s
256.0 GTexel/s
FP16 (half)
36.83 TFLOPS
8.192 TFLOPS
FP32 (float)
36.83 TFLOPS
8.192 TFLOPS
FP64 (double)
575.4 GFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
GB203
Fiji
Architecture
Blackwell 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
45.6 billion
8.9 billion
Die Size
378 mm²
596 mm²
GPU Variant
—
Fiji XT CA(215-0862120)
Board Design
TDP
140W
175W
Suggested PSU
300 W
450 W
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.4
1.2.170
CUDA
12.0
—
Shader Model
6.8
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.