AMD Radeon Instinct MI455X vs AMD Radeon PRO W7500
GPU Specs Compare
Graphics Card
Release Date
Jul 2026
Aug 2023
Generation
Radeon Instinct
Radeon Pro Navi
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
1500 MHz
Boost Clock
2400 MHz
1700 MHz
Memory Clock
1900 MHz
1344 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
128bit
Bandwidth
23.3TB/s
172.0GB/s
Render Config
Compute Units
256
28
Shading Units
32768
1792
TMUs
1024
112
ROPs
0
64
L1 Cache
32 KB (per CU)
128 KB per Array
L2 Cache
192 MB
2 MB
RT Cores
-
28
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
108.8 GPixel/s
Texture Rate
2457.6 GTexel/s
190.4 GTexel/s
FP16 (half)
157.3 TFLOPS
24.37 TFLOPS
FP32 (float)
157.3 TFLOPS
12.19 TFLOPS
FP64 (double)
2.458 TFLOPS
380.8 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
Navi 33
Architecture
CDNA 5.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
2 nm
6 nm
Transistors
320 billion
13.3 billion
Die Size
Unknown
204 mm²
GPU Variant
-
Navi 33
Board Design
TDP
2300W
70W
Suggested PSU
2700 W
250 W
Outputs
No outputs
4x DisplayPort 2.1
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
Shader Model
N/A
6.7