Radeon HD 4870 X2 vs GeForce GTX 650

Radeon HD 4870 X2
Memory: 1024Mb GDDR5DESKTOP
Release date: 12 Aug 2008
Radeon HD 4870 X2
GeForce GTX 650
Memory: 1024Mb GDDR5DESKTOP
Release date: 27 Nov 2013
GeForce GTX 650

Summary

Synthetic performance index

  • Radeon HD 4870 X2
    144%
  • GeForce GTX 650
    100%

Relative performance

Reasons to consider Radeon HD 4870 X2

Around 44% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider GeForce GTX 650

221 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4870 X2 .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Radeon HD 4870 X2

HWBench recommends Radeon HD 4870 X2

The Radeon HD 4870 X2 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 4870 X2GeForce GTX 650
GPU NameR700 (R700 XT)vsGK106 ()
Fab Process55 nmvs28 nm
Die Size256 mm²vs221 mm²
Transistors956 millionvs2,540 million
Shaders800vs384
Compute Units10vs2
Core clock700 MHzvs1058 MHz
ROPs16vs16
TMUs40vs32

Memory Configuration

Radeon HD 4870 X2GeForce GTX 650
Memory TypeGDDR5vsGDDR5
Bus Width256 bit x2vs128 bit
Memory Speed900 MHz
3600 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 4870 X2GeForce GTX 650
TDP286 wattsvs65 watts
Release Date12 Aug 2008vs27 Nov 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 4870 X2
    22.40 GP/s
  • GeForce GTX 650
    8.46 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4870 X2
    56.00 GT/s
  • GeForce GTX 650
    33.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4870 X2
    230.00 GB/s
  • GeForce GTX 650
    80.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4870 X2
    2240.00 GFLOPs
  • GeForce GTX 650
    812.50 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4870 X2
    4170
  • GeForce GTX 650
    2880

Points (higher is better)