Home GPU Comparison AMD Radeon Instinct MI6 vs AMD Radeon Instinct MI8

AMD Radeon Instinct MI6 vs AMD Radeon Instinct MI8

We compared two Professional market GPUs: 8GB VRAM Radeon Instinct MI6 and 4GB VRAM Radeon Instinct MI8 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI6 's Advantages
Boost Clock1233MHz
More VRAM (8GB vs 4GB)
Lower TDP (150W vs 175W)
AMD Radeon Instinct MI8 's Advantages
Larger VRAM bandwidth (512.0GB/s vs 224.0GB/s)
1792 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon Instinct MI6
5.682 TFLOPS
Radeon Instinct MI8 +44%
8.192 TFLOPS

Graphics Card

Dec 2016
Release Date
Dec 2016
Radeon Instinct
Generation
Radeon Instinct
Professional
Type
Professional
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

1120 MHz
Base Clock
-
1233 MHz
Boost Clock
-
1750 MHz
Memory Clock
500 MHz

Memory

8GB
Memory Size
4GB
GDDR5
Memory Type
HBM
256bit
Memory Bus
4096bit
224.0GB/s
Bandwidth
512.0GB/s

Render Config

36
Compute Units
64
-
-
-
2304
Shading Units
4096
144
TMUs
256
32
ROPs
64
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
2 MB
-
-
-

Theoretical Performance

39.46 GPixel/s
Pixel Rate
64.00 GPixel/s
177.6 GTexel/s
Texture Rate
256.0 GTexel/s
5.682 TFLOPS
FP16 (half)
8.192 TFLOPS
5.682 TFLOPS
FP32 (float)
8.192 TFLOPS
355.1 GFLOPS
FP64 (double)
512.0 GFLOPS

Board Design

150W
TDP
175W
450 W
Suggested PSU
450 W
No outputs
Outputs
No outputs
1x 6-pin
Power Connectors
1x 8-pin

Graphics Processor

Ellesmere
GPU Name
Fiji
Ellesmere XT
GPU Variant
Fiji XT CA (215-0862120)
GCN 4.0
Architecture
GCN 3.0
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
28 nm
5.7 billion
Transistors
8.9 billion
232 mm²
Die Size
596 mm²

Graphics Features

12 (12_0)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.1
OpenCL
2.1
1.2
Vulkan
1.2.170
-
-
-
6.4
Shader Model
6.5
© 2025 - TopCPU.net