AMD Radeon Sky 900 vs AMD Radeon Pro V420
GPU · Specs Compare
Graphics Card
Release Date
Mar 2013
Unknown
Generation
Radeon Sky
Radeon Pro Vega
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
825 MHz
800 MHz
Boost Clock
950 MHz
1700 MHz
Memory Clock
1250 MHz
800 MHz
Memory
Memory Size
3GB
32GB
Memory Type
GDDR5
HBM2
Memory Bus
384bit
4096bit
Bandwidth
240.0GB/s
819.2GB/s
Render Config
Compute Units
28
64
Shading Units
1792
4096
TMUs
112
256
ROPs
32
64
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
4 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
108.8 GPixel/s
Texture Rate
106.4 GTexel/s
435.2 GTexel/s
FP32 (float)
3.405 TFLOPS
13.93 TFLOPS
FP64 (double)
851.2 GFLOPS
6.963 TFLOPS
FP16 (half)
—
27.85 TFLOPS
Graphics Processor
GPU Name
Tahiti
Vega 20
GPU Variant
Orthrus
Vega 20 GLXT WS(215-0914026)
Architecture
GCN 1.0
GCN 5.1
Foundry
TSMC
TSMC
Process Size
28 nm
7 nm
Transistors
4.313 billion
13.23 billion
Die Size
352 mm²
331 mm²
Board Design
TDP
300W
300W
Suggested PSU
700 W
700 W
Outputs
1x DVI1x mini-DisplayPort 1.2
6x mini-DisplayPort 1.4a
Power Connectors
2x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.