AMD Instinct MI300X vs AMD Radeon Instinct MI350X
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Jun 2025
Generation
Radeon Instinct
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1000 MHz
Boost Clock
2100 MHz
2200 MHz
Memory Clock
2525 MHz
2000 MHz
Memory
Memory Size
192GB
288GB
Memory Type
HBM3
HBM3e
Memory Bus
8192bit
8192bit
Bandwidth
10.3TB/s
8.19TB/s
Render Config
Compute Units
304
256
Shading Units
19456
16384
TMUs
1216
1024
ROPs
0
0
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
16 MB
L3 Cache
256 MB
256 MB
Tensor Cores
-
1024
Theoretical Performance
Pixel Rate
0 MPixel/s
0 MPixel/s
Texture Rate
2553.6 GTexel/s
2252.8 GTexel/s
FP16 (half)
653.7 TFLOPS
72.09 TFLOPS
FP32 (float)
81.72 TFLOPS
72.09 TFLOPS
FP64 (double)
81.72 TFLOPS
36.04 TFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
MI350 256CU
Architecture
CDNA 3.0
CDNA 4.0
Foundry
TSMC
TSMC
Process Size
5 nm
3 nm
Transistors
153 billion
185 billion
Die Size
1017 mm²
Unknown
Board Design
TDP
750W
1000W
Suggested PSU
1150 W
1400 W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
Shader Model
N/A
N/A