AMD Radeon Pro V420 vs AMD Radeon R9 M395X
GPU · Specs Compare
Graphics Card
Release Date
Unknown
May 2015
Generation
Radeon Pro Vega
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
800 MHz
—
Boost Clock
1700 MHz
—
Memory Clock
800 MHz
1250 MHz
Memory
Memory Size
32GB
8GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
819.2GB/s
160.0GB/s
Render Config
Compute Units
64
32
Shading Units
4096
2048
TMUs
256
128
ROPs
64
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
108.8 GPixel/s
23.14 GPixel/s
Texture Rate
435.2 GTexel/s
92.54 GTexel/s
FP16 (half)
27.85 TFLOPS
2.961 TFLOPS
FP32 (float)
13.93 TFLOPS
2.961 TFLOPS
FP64 (double)
6.963 TFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Vega 20
Amethyst
GPU Variant
Vega 20 GLXT WS(215-0914026)
Amethyst XT
Architecture
GCN 5.1
GCN 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
5 billion
Die Size
331 mm²
366 mm²
Board Design
TDP
300W
75W
Suggested PSU
700 W
—
Outputs
6x mini-DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3
Benchmark
3DMark Time Spy
—
2,514
▲ Specs Compare
Data sourced from official specifications and benchmark tests.