GeForce 9400 GT vs Radeon HD 7870 GHz Edition

GeForce 9400 GT
Memory: 128Mb DDR2DESKTOP
Release date: 1 Aug 2008
GeForce 9400 GT
Radeon HD 7870 GHz Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7870 GHz Edition

Summary

Reasons to consider GeForce 9400 GT

125 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7870 GHz Edition .
Based on an outdated architecture (Nvidia Tesla), there are no performance optimizations for current games and applications
PhysX support, however PhysX performance on newest games may be poor

Reasons to consider Radeon HD 7870 GHz Edition

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7870 GHz Edition

HWBench recommends Radeon HD 7870 GHz Edition

Based on theoretical specifications.


Specifications

Core Configuration

GeForce 9400 GTRadeon HD 7870 GHz Edition
GPU NameG86 ()vsPitcairn (Pitcairn XT)
Fab Process80 nmvs28 nm
Die Size127 mm²vs212 mm²
Transistors210 millionvs2,800 million
Shaders16vs1280
Compute Units2vs20
Core clock459 MHzvs1000 MHz
ROPs4vs32
TMUs8vs80

Memory Configuration

GeForce 9400 GTRadeon HD 7870 GHz Edition
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs256 bit
Memory Speed600 MHz
1200 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size128 Mbvs2048 Mb

Additional details

GeForce 9400 GTRadeon HD 7870 GHz Edition
TDP50 wattsvs175 watts
Release Date1 Aug 2008vs5 Mar 2012

Raw Performance comparison

Pixel Rate

  • GeForce 9400 GT
    1.84 GP/s
  • Radeon HD 7870 GHz Edition
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 9400 GT
    3.67 GT/s
  • Radeon HD 7870 GHz Edition
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 9400 GT
    9.60 GB/s
  • Radeon HD 7870 GHz Edition
    154.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 9400 GT
    29.38 GFLOPs
  • Radeon HD 7870 GHz Edition
    2560.00 GFLOPs

GFLOPs - higher is better