Radeon HD 7770 GHz Edition vs Radeon R7 250

Radeon HD 7770 GHz Edition
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7770 GHz Edition
Radeon R7 250
Memory: 1024Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R7 250

Summary

Synthetic performance index

  • Radeon HD 7770 GHz Edition
    152%
  • Radeon R7 250
    100%

Relative performance

Reasons to consider Radeon HD 7770 GHz Edition

Around 52% higher average synthetic performance.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R7 250

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 HD 7770 GHz Edition

HWBench recommends Radeon HD 7770 GHz Edition

The Radeon HD 7770 GHz Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 7770 GHz EditionRadeon R7 250
GPU NameCape Verde (Cape Verde XT)vsOland (Oland XT)
Fab Process28 nmvs28 nm
Die Size123 mm²vs90 mm²
Transistors1,500 millionvs1,040 million
Shaders640vs384
Compute Units10vs6
Core clock1000 MHzvs1000 MHz
ROPs16vs8
TMUs40vs24

Memory Configuration

Radeon HD 7770 GHz EditionRadeon R7 250
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1125 MHz
4500 MHz effective
vs1150 MHz
4600 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 7770 GHz EditionRadeon R7 250
TDP80 wattsvs65 watts
Release Date15 Feb 2012vs8 Oct 2013

Raw Performance comparison

Pixel Rate

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

GigaPixels - higher is better

Texel Rate

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

GigaTexels - higher is better

Memory bandwidth

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

GB/s - higher is better

Single precision performance

  • Radeon HD 7770 GHz Edition
    1280.00 GFLOPs
  • Radeon R7 250
    768.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7770 GHz Edition
    4170
  • Radeon R7 250
    2740

Points (higher is better)