GeForce 615 vs GeForce GT 645M

GeForce 615
Memory: 1024Mb DDR3MOBILE
Release date: 15 May 2012
GeForce 615
GeForce GT 645M
Memory: 2048Mb DDR3MOBILE
Release date: 1 Oct 2012
GeForce GT 645M

Summary

Reasons to consider GeForce 615

Supports PhysX
Based on an outdated architecture (Nvidia Fermi), there are no performance optimizations for current games and applications

Reasons to consider GeForce GT 645M

Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

GeForce GT 645M

HWBench recommends GeForce GT 645M

Based on theoretical specifications.


Specifications

Core Configuration

GeForce 615GeForce GT 645M
GPU NameGF108 ()vsGK107 (N13P-GS)
Fab Process40 nmvs28 nm
Die Size116 mm²vs118 mm²
Transistors585 millionvs1,270 million
Shaders48vs384
Compute Units1vs2
Core clock660 MHzvs709 MHz
ROPs4vs16
TMUs8vs32

Memory Configuration

GeForce 615GeForce GT 645M
Memory TypeDDR3vsDDR3
Bus Width128 bitvs128 bit
Memory Speed900 MHz
1800 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

GeForce 615GeForce GT 645M
TDP49 wattsvs32 watts
Release Date15 May 2012vs1 Oct 2012

Raw Performance comparison

Pixel Rate

  • GeForce 615
    1.32 GP/s
  • GeForce GT 645M
    5.67 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce 615
    5.28 GT/s
  • GeForce GT 645M
    22.69 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce 615
    28.80 GB/s
  • GeForce GT 645M
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce 615
    126.72 GFLOPs
  • GeForce GT 645M
    544.50 GFLOPs

GFLOPs - higher is better

Similar comparisons