AMD Radeon R9 M395X vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
May 2015
Dec 2016
Generation
Crystal System
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1250 MHz
500 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
HBM
Memory Bus
256bit
4096bit
Bandwidth
160.0GB/s
512.0GB/s
Render Config
Compute Units
32
64
Shading Units
2048
4096
TMUs
128
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
23.14 GPixel/s
64.00 GPixel/s
Texture Rate
92.54 GTexel/s
256.0 GTexel/s
FP16 (half)
2.961 TFLOPS
8.192 TFLOPS
FP32 (float)
2.961 TFLOPS
8.192 TFLOPS
FP64 (double)
185.1 GFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
Amethyst
Fiji
GPU Variant
Amethyst XT
Fiji XT CA(215-0862120)
Architecture
GCN 3.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
8.9 billion
Die Size
366 mm²
596 mm²
Board Design
TDP
75W
175W
Outputs
No outputs
No outputs
Power Connectors
None
1x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5
📊 Benchmark
3DMark Time Spy
2,514
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