Radeon HD 5870 Mac Edition vs GeForce GTX 645 OEM

Radeon HD 5870 Mac Edition
Memory: 1024Mb GDDR5DESKTOP
Release date: 30 Jun 2010
Radeon HD 5870 Mac Edition
GeForce GTX 645 OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 22 Apr 2013
GeForce GTX 645 OEM
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 5870 vs GeForce GTX 645 OEM instead?

Summary

Reasons to consider Radeon HD 5870 Mac Edition

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider GeForce GTX 645 OEM

163 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 5870 Mac Edition .
This is a much newer product, it might have better long term support.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

No clear winner declared

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


Specifications

Core Configuration

Radeon HD 5870 Mac EditionGeForce GTX 645 OEM
GPU NameCypress (Cypress XT)vsGK106 ()
Fab Process40 nmvs28 nm
Die Size334 mm²vs221 mm²
Transistors2,154 millionvs2,540 million
Shaders1600vs576
Compute Units20vs3
Core clock850 MHzvs824 MHz
ROPs32vs16
TMUs80vs48

Memory Configuration

Radeon HD 5870 Mac EditionGeForce GTX 645 OEM
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed1195 MHz
4780 MHz effective
vs1000 MHz
4000 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 5870 Mac EditionGeForce GTX 645 OEM
TDP228 wattsvs65 watts
Release Date30 Jun 2010vs22 Apr 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 5870 Mac Edition
    27.20 GP/s
  • GeForce GTX 645 OEM
    9.89 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5870 Mac Edition
    68.00 GT/s
  • GeForce GTX 645 OEM
    39.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5870 Mac Edition
    153.00 GB/s
  • GeForce GTX 645 OEM
    64.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5870 Mac Edition
    2720.00 GFLOPs
  • GeForce GTX 645 OEM
    949.20 GFLOPs

GFLOPs - higher is better