AMD Radeon R9 M390X vs AMD Instinct MI300A
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Dec 2023
Generation
Crystal System
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1250 MHz
1300 MHz
Base Clock
—
1000 MHz
Boost Clock
—
2100 MHz
Memory
Memory Size
4GB
128GB
Memory Type
GDDR5
HBM3
Memory Bus
256bit
8192bit
Bandwidth
160.0GB/s
5.32TB/s
Render Config
Compute Units
32
228
Shading Units
2048
14592
TMUs
128
912
ROPs
32
0
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
16 MB
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
0 MPixel/s
Texture Rate
92.54 GTexel/s
1915.2 GTexel/s
FP16 (half)
2.961 TFLOPS
653.7 TFLOPS
FP32 (float)
2.961 TFLOPS
61.29 TFLOPS
FP64 (double)
185.1 GFLOPS
30.64 TFLOPS
Graphics Processor
GPU Name
Amethyst
Aqua Vanjaram
GPU Variant
Amethyst XT
—
Architecture
GCN 3.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
5 billion
153 billion
Die Size
366 mm²
1017 mm²
Board Design
TDP
75W
750W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
—
1150 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.0
3.0
Vulkan
1.2
N/A
Shader Model
6.3
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.