GeForce GTX 660M vs Radeon R7 M445

GeForce GTX 660M
Memory: 1024Mb GDDR5MOBILE
Release date: 22 Mar 2012
GeForce GTX 660M
Radeon R7 M445
Memory: 4096Mb GDDR5MOBILE
Release date: 15 May 2016
Radeon R7 M445

Summary

Reasons to consider GeForce GTX 660M

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider Radeon R7 M445

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

GeForce GTX 660M

HWBench recommends GeForce GTX 660M

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GTX 660MRadeon R7 M445
GPU NameGK107 (N13E-GE-A2)vsJet (Jet PRO)
Fab Process28 nmvs28 nm
Die Size118 mm²vs77 mm²
Transistors1,270 millionvs1,040 million
Shaders384vs320
Compute Units2vs5
Core clock835 MHzvs780 MHz
ROPs16vs8
TMUs32vs20

Memory Configuration

GeForce GTX 660MRadeon R7 M445
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs64 bit
Memory Speed1000 MHz
4000 MHz effective
vs1000 MHz
4000 MHz effective
Memory Size1024 Mbvs4096 Mb

Additional details

GeForce GTX 660MRadeon R7 M445
TDP50 wattsvs0 watts
Release Date22 Mar 2012vs15 May 2016

Raw Performance comparison

Pixel Rate

  • GeForce GTX 660M
    6.68 GP/s
  • Radeon R7 M445
    6.84 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 660M
    26.72 GT/s
  • Radeon R7 M445
    17.10 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 660M
    64.00 GB/s
  • Radeon R7 M445
    32.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 660M
    641.30 GFLOPs
  • Radeon R7 M445
    547.20 GFLOPs

GFLOPs - higher is better

Similar comparisons