GeForce GT 640 OEM vs Radeon HD 7730

GeForce GT 640 OEM
Memory: 2048Mb DDR3DESKTOP
Release date: 24 Apr 2012
GeForce GT 640 OEM
Radeon HD 7730
Memory: 1024Mb GDDR5DESKTOP
Release date: 1 May 2013
Radeon HD 7730
You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GT 640 vs Radeon HD 7730 instead?

Summary

Reasons to consider GeForce GT 640 OEM

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 HD 7730

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

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


Specifications

Core Configuration

GeForce GT 640 OEMRadeon HD 7730
GPU NameGK107 (GK107-300-A2)vsCape Verde (Cape Verde LE)
Fab Process28 nmvs28 nm
Die Size118 mm²vs123 mm²
Transistors1,270 millionvs1,500 million
Shaders384vs384
Compute Units2vs6
Core clock797 MHzvs800 MHz
ROPs16vs8
TMUs32vs24

Memory Configuration

GeForce GT 640 OEMRadeon HD 7730
Memory TypeDDR3vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed891 MHz
1782 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size2048 Mbvs1024 Mb

Additional details

GeForce GT 640 OEMRadeon HD 7730
TDP50 wattsvs47 watts
Release Date24 Apr 2012vs1 May 2013

Raw Performance comparison

Pixel Rate

  • GeForce GT 640 OEM
    6.38 GP/s
  • Radeon HD 7730
    6.40 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 640 OEM
    25.50 GT/s
  • Radeon HD 7730
    19.20 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 640 OEM
    28.50 GB/s
  • Radeon HD 7730
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 640 OEM
    612.10 GFLOPs
  • Radeon HD 7730
    614.40 GFLOPs

GFLOPs - higher is better