Product Compare

AMD Radeon HD 7950M vs AMD Radeon Pro Vega 20

GPU GPU
Graphics Card
Release Date Apr 2012 Nov 2018
Generation London Radeon Pro Mac
Type Mobile Mobile
Bus Interface MXM-B (3.0) PCIe 3.0 x16
Clock Speeds
Memory Clock 1000 MHz 740 MHz
Base Clock 815 MHz
Boost Clock 1283 MHz
Memory
Memory Size 2GB 4GB
Memory Type GDDR5 HBM2
Memory Bus 256bit 1024bit
Bandwidth 128.0GB/s 189.4GB/s
Render Config
Compute Units 20 20
Shading Units 1280 1280
TMUs 80 80
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 1024 KB
Theoretical Performance
Pixel Rate 22.40 GPixel/s 41.06 GPixel/s
Texture Rate 56.00 GTexel/s 102.6 GTexel/s
FP32 (float) 1.792 TFLOPS 3.284 TFLOPS
FP16 (half) 6.569 TFLOPS
FP64 (double) 205.3 GFLOPS
Graphics Processor
GPU Name Wimbledon Vega 12
GPU Variant Wimbledon PRO Vega 12 XTA
Architecture GCN 1.0 GCN 5.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 2.8 billion Unknown
Die Size 212 mm² Unknown
Board Design
TDP 75W 100W
Outputs No outputs No outputs
Graphics Features
DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 2.1
Vulkan 1.2 1.2
Shader Model 5.1 6.3