Product Compare

AMD Radeon HD 7870 GHz Edition vs AMD Radeon Pro Vega 64

AMDGPU
GPU AMD Radeon Pro Vega 64 1250 MHz – 1350 MHz · 250W Change

Specifications

Specs Compare
AMD Radeon HD 7870 GHz Edition AMD Radeon Pro Vega 64
Graphics Card
Release Date Mar 2012 Jun 2017
Generation Southern Islands Radeon Pro Mac
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1200 MHz 786 MHz
Base Clock 1250 MHz
Boost Clock 1350 MHz
Memory
Memory Size 2GB 16GB
Memory Type GDDR5 HBM2
Memory Bus 256bit 2048bit
Bandwidth 153.6GB/s 402.4GB/s
Render Config
Compute Units 20 64
Shading Units 1280 4096
TMUs 80 256
ROPs 32 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 4 MB
Theoretical Performance
Pixel Rate 32.00 GPixel/s 86.40 GPixel/s
Texture Rate 80.00 GTexel/s 345.6 GTexel/s
FP32 (float) 2.560 TFLOPS 11.06 TFLOPS
FP64 (double) 160.0 GFLOPS 691.2 GFLOPS
FP16 (half) 22.12 TFLOPS
Graphics Processor
GPU Name Pitcairn Vega 10
GPU Variant Pitcairn XT(215-0828047) Vega 10 XT(215-0894200)
Architecture GCN 1.0 GCN 5.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 2.8 billion 12.5 billion
Die Size 212 mm² 495 mm²
Board Design
TDP 175W 250W
Suggested PSU 450 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
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 6.4