AMD Instinct MI300A vs AMD Radeon Instinct MI8
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Instinct MI300A 's Advantages
Released 7 years late
Boost Clock2100MHz
More VRAM (128GB vs 4GB)
Larger VRAM bandwidth (5300GB/s vs 512.0GB/s)
10496 additional rendering cores
AMD Radeon Instinct MI8 's Advantages
Lower TDP (175W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+1396%
122.6 TFLOPS
Radeon Instinct MI8
8.192 TFLOPS
Graphics Card
Dec 2023
Release Date
Dec 2016
Instinct
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1000 MHz
Base Clock
-
2100 MHz
Boost Clock
-
5200 MHz
Memory Clock
500 MHz
Memory
128GB
Memory Size
4GB
HBM3
Memory Type
HBM
8192bit
Memory Bus
4096bit
5300GB/s
Bandwidth
512.0GB/s
Render Config
228
Compute Units
64
-
-
-
14592
Shading Units
4096
880
TMUs
256
0
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
16 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
64.00 GPixel/s
1496 GTexel/s
Texture Rate
256.0 GTexel/s
980.6 TFLOPS
FP16 (half)
8.192 TFLOPS
122.6 TFLOPS
FP32 (float)
8.192 TFLOPS
61.3 TFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
760W
TDP
175W
1000 W
Suggested PSU
450 W
No outputs
Outputs
No outputs
None
Power Connectors
1x 8-pin
Graphics Processor
MI300
GPU Name
Fiji
-
GPU Variant
Fiji XT CA
(215-0862120)
CDNA 3.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
146 billion
Transistors
8.9 billion
1017 mm²
Die Size
596 mm²
Graphics Features
N/A
DirectX
12 (12_0)
N/A
OpenGL
4.6
3.0
OpenCL
2.1
N/A
Vulkan
1.2.170
-
-
-
N/A
Shader Model
6.5
