AMD Steam Machine GPU vs AMD Radeon Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2026
Dec 2023
Generation
Console GPU
Radeon Instinct
Type
Desktop
Professional
Bus Interface
—
PCIe 5.0 x16
Clock Speeds
Base Clock
1720 MHz
1000 MHz
Boost Clock
2450 MHz
2100 MHz
Memory Clock
2250 MHz
1300 MHz
Memory
Memory Size
8GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
128bit
8192bit
Bandwidth
288.0GB/s
5.32TB/s
Render Config
Compute Units
28
304
Shading Units
1792
19456
TMUs
112
1216
ROPs
64
0
RT Cores
28
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
16 MB
L3 Cache
32 MB
256 MB
Tensor Cores
—
1216
Theoretical Performance
Pixel Rate
156.8 GPixel/s
0 MPixel/s
Texture Rate
274.4 GTexel/s
2553.6 GTexel/s
FP16 (half)
35.12 TFLOPS
81.72 TFLOPS
FP32 (float)
17.56 TFLOPS
81.72 TFLOPS
FP64 (double)
548.8 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
Navi 33
Aqua Vanjaram
Architecture
RDNA 3.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.3 billion
153 billion
Die Size
204 mm²
1017 mm²
Board Design
TDP
110W
750W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
—
1150 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.4
N/A
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.