AMD Radeon Instinct MI455X vs NVIDIA RTX PRO 2000 Blackwell Mobile
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Unknown
Generation
Radeon Instinct
Blackwell-MW
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
952 MHz
Boost Clock
2400 MHz
1657 MHz
Memory Clock
1900 MHz
1500 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR7
Memory Bus
24576bit
128bit
Bandwidth
23.3TB/s
384.0GB/s
Render Config
Compute Units
256
—
Shading Units
32768
3328
TMUs
1024
104
ROPs
0
32
L1 Cache
32 KB (per CU)
128 KB (per SM)
L2 Cache
192 MB
32 MB
SM Count
—
26
Tensor Cores
—
104
RT Cores
—
26
Theoretical Performance
Pixel Rate
0 MPixel/s
53.02 GPixel/s
Texture Rate
2457.6 GTexel/s
172.3 GTexel/s
FP16 (half)
157.3 TFLOPS
11.03 TFLOPS
FP32 (float)
157.3 TFLOPS
11.03 TFLOPS
FP64 (double)
2.458 TFLOPS
172.3 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
GB206
Architecture
CDNA 5.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
2 nm
5 nm
Transistors
320 billion
21.9 billion
Die Size
Unknown
181 mm²
GPU Variant
—
GB206
Board Design
TDP
2300W
45W
Suggested PSU
2700 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.4
Shader Model
N/A
6.8
CUDA
—
12.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.