AMD Radeon Instinct MI455X vs AMD Radeon RX 6500M
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Jan 2022
Generation
Radeon Instinct
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1000 MHz
2000 MHz
Boost Clock
2400 MHz
2400 MHz
Memory Clock
1900 MHz
2250 MHz
Memory
Memory Size
432GB
4GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
64bit
Bandwidth
23.3TB/s
144.0GB/s
Render Config
Compute Units
256
16
Shading Units
32768
1024
TMUs
1024
64
ROPs
0
32
L1 Cache
32 KB (per CU)
128 KB per Array
L2 Cache
192 MB
1024 KB
RT Cores
—
16
L3 Cache
—
16 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
76.80 GPixel/s
Texture Rate
2457.6 GTexel/s
153.6 GTexel/s
FP16 (half)
157.3 TFLOPS
9.830 TFLOPS
FP32 (float)
157.3 TFLOPS
4.915 TFLOPS
FP64 (double)
2.458 TFLOPS
307.2 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
Navi 24
Architecture
CDNA 5.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
2 nm
6 nm
Transistors
320 billion
5.4 billion
Die Size
Unknown
107 mm²
GPU Variant
—
Navi 24 XM
Board Design
TDP
2300W
50W
Suggested PSU
2700 W
—
Outputs
No outputs
No outputs
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
6.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.