AMD Radeon Instinct MI455X vs AMD Xbox Series S GPU
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Nov 2020
Generation
Radeon Instinct
Console GPU
Type
Desktop
Game console
Bus Interface
PCIe 6.0 x16
—
Clock Speeds
Base Clock
1000 MHz
—
Boost Clock
2400 MHz
—
Memory Clock
1900 MHz
1750 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
128bit
Bandwidth
23.3TB/s
224.0GB/s
Render Config
Compute Units
256
20
Shading Units
32768
1280
TMUs
1024
80
ROPs
0
32
L1 Cache
32 KB (per CU)
—
L2 Cache
192 MB
2 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
50.08 GPixel/s
Texture Rate
2457.6 GTexel/s
125.2 GTexel/s
FP16 (half)
157.3 TFLOPS
8.013 TFLOPS
FP32 (float)
157.3 TFLOPS
4.006 TFLOPS
FP64 (double)
2.458 TFLOPS
250.4 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
Lockhart
Architecture
CDNA 5.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
2 nm
7 nm
Transistors
320 billion
8 billion
Die Size
Unknown
197 mm²
Board Design
TDP
2300W
100W
Suggested PSU
2700 W
—
Outputs
No outputs
1x HDMI 2.1
Power Connectors
None
—
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
1.2
Vulkan
N/A
1.2
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.