GeForce GT 640M Mac Edition vs GeForce GTX 750 Ti

GeForce GT 640M Mac Edition
Memory: 512Mb GDDR5MOBILE
Release date: 3 Feb 2013
GeForce GT 640M Mac Edition
GeForce GTX 750 Ti
Memory: 2048Mb GDDR5DESKTOP
Release date: 18 Feb 2014
GeForce GTX 750 Ti
You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GT 640M vs GeForce GTX 750 Ti instead?

Summary

Synthetic performance index

  • GeForce GT 640M Mac Edition
    100%
  • GeForce GTX 750 Ti
    316%

Relative performance

Reasons to consider GeForce GT 640M Mac Edition

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications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 GeForce GTX 750 Ti

This is a much newer product, it might have better long term support.
Around 216% higher average synthetic performance.
Supports PhysX
Supports G-Sync
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty)
Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

GeForce GTX 750 Ti

HWBench recommends GeForce GTX 750 Ti

The GeForce GTX 750 Ti is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GT 640M Mac EditionGeForce GTX 750 Ti
GPU NameGK107 (N13P-GS)vsGM107 (GM107-400-A2)
Fab Process28 nmvs28 nm
Die Size118 mm²vs148 mm²
Transistors1,270 millionvs1,870 million
Shaders384vs640
Compute Units2vs5
Core clock745 MHzvs1020 MHz
ROPs8vs16
TMUs32vs40

Memory Configuration

GeForce GT 640M Mac EditionGeForce GTX 750 Ti
Memory TypeGDDR5vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed1250 MHz
5000 MHz effective
vs1350 MHz
5400 MHz effective
Memory Size512 Mbvs2048 Mb

Additional details

GeForce GT 640M Mac EditionGeForce GTX 750 Ti
TDP32 wattsvs60 watts
Release Date3 Feb 2013vs18 Feb 2014

Raw Performance comparison

Pixel Rate

  • GeForce GT 640M Mac Edition
    5.96 GP/s
  • GeForce GTX 750 Ti
    16.32 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 640M Mac Edition
    23.84 GT/s
  • GeForce GTX 750 Ti
    40.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 640M Mac Edition
    40.00 GB/s
  • GeForce GTX 750 Ti
    86.40 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 640M Mac Edition
    572.20 GFLOPs
  • GeForce GTX 750 Ti
    1305.60 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GT 640M Mac Edition
    1770
  • GeForce GTX 750 Ti
    5610

Points (higher is better)