Radeon HD 7770 GHz Edition vs Radeon R7 250X

Radeon HD 7770 GHz Edition
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7770 GHz Edition
Radeon R7 250X
Memory: 1024Mb GDDR5DESKTOP
Release date: 13 Feb 2014
Radeon R7 250X

Summary

Synthetic performance index

  • Radeon HD 7770 GHz Edition
    103%
  • Radeon R7 250X
    100%

Relative performance

Reasons to consider Radeon HD 7770 GHz Edition

Supports Direct3D 12 Async Compute.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports Mantle.

Reasons to consider Radeon R7 250X

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.

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon HD 7770 GHz EditionRadeon R7 250X
GPU NameCape Verde (Cape Verde XT)vsCape Verde (Cape Verde XT)
Fab Process28 nmvs28 nm
Die Size123 mm²vs123 mm²
Transistors1,500 millionvs1,500 million
Shaders640vs640
Compute Units10vs10
Core clock1000 MHzvs950 MHz
ROPs16vs16
TMUs40vs40

Memory Configuration

Radeon HD 7770 GHz EditionRadeon R7 250X
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1125 MHz
4500 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 7770 GHz EditionRadeon R7 250X
TDP80 wattsvs80 watts
Release Date15 Feb 2012vs13 Feb 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 7770 GHz Edition
    16.00 GP/s
  • Radeon R7 250X
    15.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7770 GHz Edition
    40.00 GT/s
  • Radeon R7 250X
    38.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7770 GHz Edition
    72.00 GB/s
  • Radeon R7 250X
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7770 GHz Edition
    1280.00 GFLOPs
  • Radeon R7 250X
    1216.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7770 GHz Edition
    4170
  • Radeon R7 250X
    4020

Points (higher is better)