AMD Radeon Instinct MI50 vs AMD Radeon Instinct MI8
GPU Specs Compare
Graphics Card
Release Date
Nov 2018
Dec 2016
Generation
Radeon Instinct
Radeon Instinct
Type
Professional
Professional
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1200 MHz
-
Boost Clock
1746 MHz
-
Memory Clock
1000 MHz
500 MHz
Memory
Memory Size
16GB
4GB
Memory Type
HBM2
HBM
Memory Bus
4096bit
4096bit
Bandwidth
1.02TB/s
512.0GB/s
Render Config
Compute Units
60
64
Shading Units
3840
4096
TMUs
240
256
ROPs
64
64
RT Cores
32
-
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
2 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
111.7 GPixel/s
64.00 GPixel/s
Texture Rate
419.0 GTexel/s
256.0 GTexel/s
FP16 (half)
26.82 TFLOPS
8.192 TFLOPS
FP32 (float)
13.41 TFLOPS
8.192 TFLOPS
FP64 (double)
6.705 TFLOPS
512.0 GFLOPS
Graphics Processor
GPU Name
Vega 20
Fiji
GPU Variant
Vega 20 GLXT
Fiji XT CA(215-0862120)
Architecture
GCN 5.1
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
8.9 billion
Die Size
331 mm²
596 mm²
Board Design
TDP
300W
175W
Suggested PSU
700 W
450 W
Outputs
1x mini-DisplayPort 1.4a
No outputs
Power Connectors
2x 8-pin
1x 8-pin
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.7
6.5