GeForce GT 640 OEM vs Radeon R9 270X

GeForce GT 640 OEM
Memory: 2048Mb DDR3DESKTOP
Release date: 24 Apr 2012
GeForce GT 640 OEM
Radeon R9 270X
Memory: 2048Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 270X
You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GT 640 vs Radeon R9 270X instead?

Summary

Reasons to consider GeForce GT 640 OEM

130 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 270X .
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider Radeon R9 270X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R9 270X

HWBench recommends Radeon R9 270X

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GT 640 OEMRadeon R9 270X
GPU NameGK107 (GK107-300-A2)vsCuracao (Curacao XT)
Fab Process28 nmvs28 nm
Die Size118 mm²vs212 mm²
Transistors1,270 millionvs2,800 million
Shaders384vs1280
Compute Units2vs20
Core clock797 MHzvs1000 MHz
ROPs16vs32
TMUs32vs80

Memory Configuration

GeForce GT 640 OEMRadeon R9 270X
Memory TypeDDR3vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed891 MHz
1782 MHz effective
vs1400 MHz
5600 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GT 640 OEMRadeon R9 270X
TDP50 wattsvs180 watts
Release Date24 Apr 2012vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • GeForce GT 640 OEM
    6.38 GP/s
  • Radeon R9 270X
    32.00 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 640 OEM
    25.50 GT/s
  • Radeon R9 270X
    80.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 640 OEM
    28.50 GB/s
  • Radeon R9 270X
    179.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 640 OEM
    612.10 GFLOPs
  • Radeon R9 270X
    2560.00 GFLOPs

GFLOPs - higher is better