Radeon HD 7770 GHz Edition vs Radeon R9 270X

Radeon HD 7770 GHz Edition
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7770 GHz Edition
Radeon R9 270X
Memory: 2048Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 270X

Summary

Synthetic performance index

  • Radeon HD 7770 GHz Edition
    100%
  • Radeon R9 270X
    208%

Relative performance

Gaming performance index

  • Radeon HD 7770 GHz Edition
    100%
  • Radeon R9 270X
    216%

Relative performance

Reasons to consider Radeon HD 7770 GHz Edition

100 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 270X .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R9 270X

116% higher gaming performance.
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 270X

HWBench recommends Radeon R9 270X

The Radeon R9 270X is the better performing card based on the game benchmark suite used (4 combinations of games and resolutions).


Specifications

Core Configuration

Radeon HD 7770 GHz EditionRadeon R9 270X
GPU NameCape Verde (Cape Verde XT)vsCuracao (Curacao XT)
Fab Process28 nmvs28 nm
Die Size123 mm²vs212 mm²
Transistors1,500 millionvs2,800 million
Shaders640vs1280
Compute Units10vs20
Core clock1000 MHzvs1000 MHz
ROPs16vs32
TMUs40vs80

Memory Configuration

Radeon HD 7770 GHz EditionRadeon R9 270X
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed1125 MHz
4500 MHz effective
vs1400 MHz
5600 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon HD 7770 GHz EditionRadeon R9 270X
TDP80 wattsvs180 watts
Release Date15 Feb 2012vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7770 GHz Edition
    16.00 GP/s
  • Radeon R9 270X
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7770 GHz Edition
    40.00 GT/s
  • Radeon R9 270X
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7770 GHz Edition
    72.00 GB/s
  • Radeon R9 270X
    179.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7770 GHz Edition
    1280.00 GFLOPs
  • Radeon R9 270X
    2560.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7770 GHz Edition
    4170
  • Radeon R9 270X
    8700

Points (higher is better)

Game benchmarks

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

  • Radeon HD 7770 GHz Edition
    23
  • Radeon R9 270X
    52

FPS (higher is better)

Crysis 3

DX11,Very High Quality, FXAA

  • Radeon HD 7770 GHz Edition
    17
  • Radeon R9 270X
    33

FPS (higher is better)

Hitman Absolution

DX11, High Quality, 2x MSAA, 16x AF

  • Radeon HD 7770 GHz Edition
    23
  • Radeon R9 270X
    52

FPS (higher is better)

Medal Of Honor Warfighter

DX11, Ultra Quality, 4xMSAA

  • Radeon HD 7770 GHz Edition
    22
  • Radeon R9 270X
    48

FPS (higher is better)