NVIDIA RTX PRO 6000 vs AMD Radeon Instinct MI455X
GPU · Specs Compare
Graphics Card
Release Date
Mar 2025
Jul 2026
Generation
Blackwell PRO
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
2017 MHz
1000 MHz
Boost Clock
2407 MHz
2400 MHz
Memory Clock
1750 MHz
1900 MHz
Memory
Memory Size
96GB
432GB
Memory Type
GDDR7
HBM4
Memory Bus
512bit
24576bit
Bandwidth
1.79TB/s
23.3TB/s
Render Config
SM Count
188
—
Shading Units
24064
32768
TMUs
752
1024
ROPs
176
0
Tensor Cores
752
—
RT Cores
188
—
L1 Cache
128 KB (per SM)
32 KB (per CU)
L2 Cache
128 MB
192 MB
Compute Units
—
256
Theoretical Performance
Pixel Rate
423.6 GPixel/s
0 MPixel/s
Texture Rate
1810 GTexel/s
2457.6 GTexel/s
FP16 (half)
115.8 TFLOPS
157.3 TFLOPS
FP32 (float)
115.8 TFLOPS
157.3 TFLOPS
FP64 (double)
1.810 TFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
GB202
MI450 256CU
Architecture
Blackwell 2.0
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
2 nm
Transistors
92.2 billion
320 billion
Die Size
750 mm²
Unknown
Board Design
TDP
600W
2300W
Suggested PSU
1000 W
2700 W
Outputs
4x DisplayPort 2.1b
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.4
N/A
CUDA
10.1
—
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.