Radeon HD 4550 vs Radeon HD 4750

Radeon HD 4550
Memory: 256Mb DDR2DESKTOP
Release date: 30 Sep 2008
Radeon HD 4550
Radeon HD 4750
Memory: 512Mb GDDR5DESKTOP
Release date: 9 Sep 2009
Radeon HD 4750

Summary

Reasons to consider Radeon HD 4550

75 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4750 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 4750

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 4750

HWBench recommends Radeon HD 4750

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 4550Radeon HD 4750
GPU NameRV710 ()vsRV740 (RV740 PRO)
Fab Process55 nmvs40 nm
Die Size73 mm²vs137 mm²
Transistors242 millionvs826 million
Shaders80vs640
Compute Units1vs8
Core clock600 MHzvs730 MHz
ROPs4vs16
TMUs8vs32

Memory Configuration

Radeon HD 4550Radeon HD 4750
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed655 MHz
1310 MHz effective
vs800 MHz
3200 MHz effective
Memory Size256 Mbvs512 Mb

Additional details

Radeon HD 4550Radeon HD 4750
TDP25 wattsvs100 watts
Release Date30 Sep 2008vs9 Sep 2009

Raw Performance comparison

Pixel Rate

  • Radeon HD 4550
    2.40 GP/s
  • Radeon HD 4750
    11.70 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4550
    4.80 GT/s
  • Radeon HD 4750
    23.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4550
    10.50 GB/s
  • Radeon HD 4750
    51.20 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4550
    96.00 GFLOPs
  • Radeon HD 4750
    934.40 GFLOPs

GFLOPs - higher is better