AMD Radeon Instinct MI455X vs NVIDIA GRID K200
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Jun 2013
Generation
Radeon Instinct
GRID
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
1900 MHz
1250 MHz
Memory
Memory Size
432GB
256MB
Memory Type
HBM4
GDDR5
Memory Bus
24576bit
256bit
Bandwidth
23.3TB/s
160.0GB/s
Render Config
Compute Units
256
—
Shading Units
32768
1536
TMUs
1024
128
ROPs
0
32
L1 Cache
32 KB (per CU)
16 KB (per SMX)
L2 Cache
192 MB
512 KB
Theoretical Performance
Pixel Rate
0 MPixel/s
23.84 GPixel/s
Texture Rate
2457.6 GTexel/s
95.36 GTexel/s
FP16 (half)
157.3 TFLOPS
—
FP32 (float)
157.3 TFLOPS
2.289 TFLOPS
FP64 (double)
2.458 TFLOPS
95.36 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
GK104
Architecture
CDNA 5.0
Kepler
Foundry
TSMC
TSMC
Process Size
2 nm
28 nm
Transistors
320 billion
3.54 billion
Die Size
Unknown
294 mm²
Board Design
TDP
2300W
225W
Suggested PSU
2700 W
550 W
Outputs
No outputs
No outputs
Power Connectors
None
—
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
Shader Model
N/A
5.1
CUDA
—
3.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.