AMD Radeon Pro V420 vs AMD Radeon HD 6950
GPU Specs Compare
Graphics Card
Release Date
Unknown
Dec 2010
Generation
Radeon Pro Vega
Northern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
800 MHz
-
Boost Clock
1700 MHz
-
Memory Clock
800 MHz
1250 MHz
Memory
Memory Size
32GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
819.2GB/s
160.0GB/s
Render Config
Compute Units
64
22
Shading Units
4096
1408
TMUs
256
88
ROPs
64
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
108.8 GPixel/s
25.60 GPixel/s
Texture Rate
435.2 GTexel/s
70.40 GTexel/s
FP16 (half)
27.85 TFLOPS
-
FP32 (float)
13.93 TFLOPS
2.253 TFLOPS
FP64 (double)
6.963 TFLOPS
563.2 GFLOPS
Graphics Processor
GPU Name
Vega 20
Cayman
GPU Variant
Vega 20 GLXT WS(215-0914026)
Cayman PRO(215-0807019)
Architecture
GCN 5.1
TeraScale 3
Foundry
TSMC
TSMC
Process Size
7 nm
40 nm
Transistors
13.23 billion
2.64 billion
Die Size
331 mm²
389 mm²
Board Design
TDP
300W
200W
Suggested PSU
700 W
550 W
Outputs
6x mini-DisplayPort 1.4a
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 6-pin + 1x 8-pin
2x 6-pin
Graphics Features
DirectX
12 (12_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
2.1
1.2
Vulkan
1.3
N/A
Shader Model
6.7
5.0