AMD Radeon Instinct MI6 vs NVIDIA RTX PRO 4000 Blackwell
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Mar 2025
Generation
Radeon Instinct
Blackwell PRO W
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1120 MHz
1230 MHz
Boost Clock
1233 MHz
2055 MHz
Memory Clock
1750 MHz
1750 MHz
Memory
Memory Size
8GB
24GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
192bit
Bandwidth
224.0GB/s
672.0GB/s
Render Config
Compute Units
36
—
Shading Units
2304
8960
TMUs
144
280
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
2 MB
48 MB
SM Count
—
70
Tensor Cores
—
280
RT Cores
—
70
Theoretical Performance
Pixel Rate
39.46 GPixel/s
197.3 GPixel/s
Texture Rate
177.6 GTexel/s
575.4 GTexel/s
FP16 (half)
5.682 TFLOPS
36.83 TFLOPS
FP32 (float)
5.682 TFLOPS
36.83 TFLOPS
FP64 (double)
355.1 GFLOPS
575.4 GFLOPS
Graphics Processor
GPU Name
Ellesmere
GB203
GPU Variant
Ellesmere XT
—
Architecture
GCN 4.0
Blackwell 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
5 nm
Transistors
5.7 billion
45.6 billion
Die Size
232 mm²
378 mm²
Board Design
TDP
150W
140W
Suggested PSU
450 W
300 W
Outputs
No outputs
4x DisplayPort 2.1b
Power Connectors
1x 6-pin
1x 16-pin
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
3.0
Vulkan
1.2
1.4
Shader Model
6.4
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.