Radeon HD 4770 vs Radeon HD 7730

Radeon HD 4770
Memory: 512Mb GDDR5DESKTOP
Release date: 28 Apr 2009
Radeon HD 4770
Radeon HD 7730
Memory: 1024Mb GDDR5DESKTOP
Release date: 1 May 2013
Radeon HD 7730

Summary

Reasons to consider Radeon HD 4770

Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7730

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 4770

HWBench recommends Radeon HD 4770

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 4770Radeon HD 7730
GPU NameRV740 ()vsCape Verde (Cape Verde LE)
Fab Process40 nmvs28 nm
Die Size137 mm²vs123 mm²
Transistors826 millionvs1,500 million
Shaders640vs384
Compute Units8vs6
Core clock750 MHzvs800 MHz
ROPs16vs8
TMUs32vs24

Memory Configuration

Radeon HD 4770Radeon HD 7730
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed800 MHz
3200 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 4770Radeon HD 7730
TDP80 wattsvs47 watts
Release Date28 Apr 2009vs1 May 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 4770
    12.00 GP/s
  • Radeon HD 7730
    6.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4770
    24.00 GT/s
  • Radeon HD 7730
    19.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4770
    51.20 GB/s
  • Radeon HD 7730
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4770
    960.00 GFLOPs
  • Radeon HD 7730
    614.40 GFLOPs

GFLOPs - higher is better