AMD Radeon Instinct MI8 vs AMD Radeon Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Dec 2016
Dec 2023
Generation
Radeon Instinct
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
500 MHz
1300 MHz
Base Clock
—
1000 MHz
Boost Clock
—
2100 MHz
Memory
Memory Size
4GB
192GB
Memory Type
HBM
HBM3
Memory Bus
4096bit
8192bit
Bandwidth
512.0GB/s
5.32TB/s
Render Config
Compute Units
64
304
Shading Units
4096
19456
TMUs
256
1216
ROPs
64
0
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
16 MB
Tensor Cores
—
1216
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
0 MPixel/s
Texture Rate
256.0 GTexel/s
2553.6 GTexel/s
FP16 (half)
8.192 TFLOPS
81.72 TFLOPS
FP32 (float)
8.192 TFLOPS
81.72 TFLOPS
FP64 (double)
512.0 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
Fiji
Aqua Vanjaram
GPU Variant
Fiji XT CA(215-0862120)
—
Architecture
GCN 3.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
8.9 billion
153 billion
Die Size
596 mm²
1017 mm²
Board Design
TDP
175W
750W
Suggested PSU
450 W
1150 W
Outputs
No outputs
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2.170
N/A
Shader Model
6.5
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.