AMD Radeon Instinct MI8 vs AMD Radeon Pro V420
GPU Specs Compare
Graphics Card
Release Date
Dec 2016
Unknown
Generation
Radeon Instinct
Radeon Pro Vega
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
500 MHz
800 MHz
Base Clock
-
800 MHz
Boost Clock
-
1700 MHz
Memory
Memory Size
4GB
32GB
Memory Type
HBM
HBM2
Memory Bus
4096bit
4096bit
Bandwidth
512.0GB/s
819.2GB/s
Render Config
Compute Units
64
64
Shading Units
4096
4096
TMUs
256
256
ROPs
64
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
4 MB
Theoretical Performance
Pixel Rate
64.00 GPixel/s
108.8 GPixel/s
Texture Rate
256.0 GTexel/s
435.2 GTexel/s
FP16 (half)
8.192 TFLOPS
27.85 TFLOPS
FP32 (float)
8.192 TFLOPS
13.93 TFLOPS
FP64 (double)
512.0 GFLOPS
6.963 TFLOPS
Graphics Processor
GPU Name
Fiji
Vega 20
GPU Variant
Fiji XT CA(215-0862120)
Vega 20 GLXT WS(215-0914026)
Architecture
GCN 3.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
8.9 billion
13.23 billion
Die Size
596 mm²
331 mm²
Board Design
TDP
175W
300W
Suggested PSU
450 W
700 W
Outputs
No outputs
6x mini-DisplayPort 1.4a
Power Connectors
1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.3
Shader Model
6.5
6.7