Radeon HD 6870 vs GeForce GT 545

Radeon HD 6870
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Oct 2010
Radeon HD 6870
GeForce GT 545
Memory: 1536Mb DDR3DESKTOP
Release date: 14 May 2011
GeForce GT 545

Summary

Reasons to consider Radeon HD 6870

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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 GeForce GT 545

81 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6870 .
Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

Radeon HD 6870

HWBench recommends Radeon HD 6870

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 6870GeForce GT 545
GPU NameBarts (Barts XT)vsGF116 (GF116-400-A1)
Fab Process40 nmvs40 nm
Die Size255 mm²vs238 mm²
Transistors1,700 millionvs1,170 million
Shaders1120vs144
Compute Units14vs3
Core clock900 MHzvs720 MHz
ROPs32vs16
TMUs56vs24

Memory Configuration

Radeon HD 6870GeForce GT 545
Memory TypeGDDR5vsDDR3
Bus Width256 bitvs192 bit
Memory Speed1050 MHz
4200 MHz effective
vs800 MHz
1600 MHz effective
Memory Size1024 Mbvs1536 Mb

Additional details

Radeon HD 6870GeForce GT 545
TDP151 wattsvs70 watts
Release Date21 Oct 2010vs14 May 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 6870
    28.80 GP/s
  • GeForce GT 545
    4.32 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6870
    50.40 GT/s
  • GeForce GT 545
    17.30 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6870
    134.00 GB/s
  • GeForce GT 545
    38.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6870
    2016.00 GFLOPs
  • GeForce GT 545
    414.70 GFLOPs

GFLOPs - higher is better