AMD Radeon Pro SSG vs AMD Radeon Instinct MI455X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2017
Jul 2026
Generation
Radeon Pro
Radeon Instinct
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1440 MHz
1000 MHz
Boost Clock
1500 MHz
2400 MHz
Memory Clock
945 MHz
1900 MHz
Memory
Memory Size
16GB
432GB
Memory Type
HBM2
HBM4
Memory Bus
2048bit
24576bit
Bandwidth
483.8GB/s
23.3TB/s
Render Config
Compute Units
64
256
Shading Units
4096
32768
TMUs
256
1024
ROPs
64
0
L1 Cache
16 KB (per CU)
32 KB (per CU)
L2 Cache
4 MB
192 MB
Theoretical Performance
Pixel Rate
96.00 GPixel/s
0 MPixel/s
Texture Rate
384.0 GTexel/s
2457.6 GTexel/s
FP16 (half)
24.58 TFLOPS
157.3 TFLOPS
FP32 (float)
12.29 TFLOPS
157.3 TFLOPS
FP64 (double)
768.0 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Vega 10
MI450 256CU
GPU Variant
Vega 10 XT GL(215-0894124)
—
Architecture
GCN 5.0
CDNA 5.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
2 nm
Transistors
12.5 billion
320 billion
Die Size
495 mm²
Unknown
Board Design
TDP
260W
2300W
Suggested PSU
600 W
2700 W
Outputs
6x mini-DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.