Product Compare

AMD Radeon Pro V420 vs AMD Radeon HD 7970 GHz Edition

GPU GPU
Graphics Card
Release Date Unknown Jun 2012
Generation Radeon Pro Vega Southern Islands
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 800 MHz 1000 MHz
Boost Clock 1700 MHz 1050 MHz
Memory Clock 800 MHz 1500 MHz
Memory
Memory Size 32GB 3GB
Memory Type HBM2 GDDR5
Memory Bus 4096bit 384bit
Bandwidth 819.2GB/s 288.0GB/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 768 KB
Theoretical Performance
Pixel Rate 108.8 GPixel/s 33.60 GPixel/s
Texture Rate 435.2 GTexel/s 134.4 GTexel/s
FP16 (half) 27.85 TFLOPS
FP32 (float) 13.93 TFLOPS 4.301 TFLOPS
FP64 (double) 6.963 TFLOPS 1075 GFLOPS
Graphics Processor
GPU Name Vega 20 Tahiti
GPU Variant Vega 20 GLXT WS(215-0914026) Tahiti XT2(215-0821065)
Architecture GCN 5.1 GCN 1.0
Foundry TSMC TSMC
Process Size 7 nm 28 nm
Transistors 13.23 billion 4.313 billion
Die Size 331 mm² 352 mm²
Board Design
TDP 300W 300W
Suggested PSU 700 W 700 W
Outputs 6x mini-DisplayPort 1.4a 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors 1x 6-pin + 1x 8-pin 1x 6-pin + 1x 8-pin
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.3 1.2
Shader Model 6.7 5.1