Radeon Vega 8 vs Radeon HD 7970

Radeon Vega 8
Memory: 0Mb System SharedDESKTOP
Release date: 13 Feb 2018
Radeon Vega 8
Radeon HD 7970
Memory: 3072Mb GDDR5DESKTOP
Release date: 22 Dec 2011
Radeon HD 7970

Summary

Reasons to consider Radeon Vega 8

185 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7970 .
This is a much newer product, it might have better long term support.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 7970

Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7970

HWBench recommends Radeon HD 7970

Based on theoretical specifications.


Specifications

Core Configuration

Radeon Vega 8Radeon HD 7970
GPU NameRaven Ridge ()vsTahiti (Tahiti XT)
Fab Process14 nmvs28 nm
Die Size210 mm²vs352 mm²
Transistors4,940 millionvs4,313 million
Shaders512vs2048
Compute Units8vs32
Core clock300 MHzvs925 MHz
ROPs16vs32
TMUs32vs128

Memory Configuration

Radeon Vega 8Radeon HD 7970
Memory TypeSystem SharedvsGDDR5
Bus WidthSystem Sharedvs384 bit
Memory SpeedSystem Sharedvs1375 MHz
5500 MHz effective
Memory Size0 Mbvs3072 Mb

Additional details

Radeon Vega 8Radeon HD 7970
TDP65 wattsvs250 watts
Release Date13 Feb 2018vs22 Dec 2011

Raw Performance comparison

Pixel Rate

  • Radeon Vega 8
    17.60 GP/s
  • Radeon HD 7970
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon Vega 8
    35.20 GT/s
  • Radeon HD 7970
    118.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon Vega 8
    0.00 GB/s
  • Radeon HD 7970
    264.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon Vega 8
    1126.00 GFLOPs
  • Radeon HD 7970
    3789.00 GFLOPs

GFLOPs - higher is better