AMD Radeon Pro V420 vs AMD Radeon E8870
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2015
Generation
Radeon Pro Vega
Embedded
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
800 MHz
—
Boost Clock
1700 MHz
—
Memory Clock
800 MHz
1500 MHz
Memory
Memory Size
32GB
4GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
128bit
Bandwidth
819.2GB/s
96.00GB/s
Render Config
Compute Units
64
12
Shading Units
4096
768
TMUs
256
48
ROPs
64
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
256 KB
Theoretical Performance
Pixel Rate
108.8 GPixel/s
16.00 GPixel/s
Texture Rate
435.2 GTexel/s
48.00 GTexel/s
FP16 (half)
27.85 TFLOPS
—
FP32 (float)
13.93 TFLOPS
1.536 TFLOPS
FP64 (double)
6.963 TFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Vega 20
Saturn
GPU Variant
Vega 20 GLXT WS(215-0914026)
Saturn PRO
Architecture
GCN 5.1
GCN 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
2.08 billion
Die Size
331 mm²
160 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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.