Radeon RX 480 vs Radeon HD 7970

Radeon RX 480
Memory: 8192Mb GDDR5DESKTOP
Release date: 29 Jun 2016
Radeon RX 480
Radeon HD 7970
Memory: 3072Mb GDDR5DESKTOP
Release date: 22 Dec 2011
Radeon HD 7970

Summary

Synthetic performance index

  • Radeon RX 480
    171%
  • Radeon HD 7970
    100%

Relative performance

Gaming performance index

  • Radeon RX 480
    153%
  • Radeon HD 7970
    100%

Relative performance

Reasons to consider Radeon RX 480

53% higher gaming performance.
100 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 RX 480

HWBench recommends Radeon RX 480

The Radeon RX 480 is the better performing card based on the game benchmark suite used (2 combinations of games and resolutions).


Specifications

Core Configuration

Radeon RX 480Radeon HD 7970
GPU NameEllesmere (Ellesmere XT)vsTahiti (Tahiti XT)
Fab Process14 nmvs28 nm
Die Size232 mm²vs352 mm²
Transistors5,700 millionvs4,313 million
Shaders2304vs2048
Compute Units36vs32
Core clock1120 MHzvs925 MHz
ROPs32vs32
TMUs144vs128

Memory Configuration

Radeon RX 480Radeon HD 7970
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed2000 MHz
8000 MHz effective
vs1375 MHz
5500 MHz effective
Memory Size8192 Mbvs3072 Mb

Additional details

Radeon RX 480Radeon HD 7970
TDP150 wattsvs250 watts
Release Date29 Jun 2016vs22 Dec 2011

Raw Performance comparison

Pixel Rate

  • Radeon RX 480
    40.50 GP/s
  • Radeon HD 7970
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 480
    182.30 GT/s
  • Radeon HD 7970
    118.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 480
    256.00 GB/s
  • Radeon HD 7970
    264.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 480
    5834.00 GFLOPs
  • Radeon HD 7970
    3789.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon RX 480
    18430
  • Radeon HD 7970
    10760

Points (higher is better)

Game benchmarks

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

  • Radeon RX 480
    84
  • Radeon HD 7970
    54

FPS (higher is better)

Grand Theft Auto V

DX11, Max Details, 16:1 AF, 2xMSAA

  • Radeon RX 480
    59
  • Radeon HD 7970
    39

FPS (higher is better)