GeForce GTX 870M vs Radeon HD 6650M

GeForce GTX 870M
Memory: 3072Mb GDDR5MOBILE
Release date: 12 Mar 2014
GeForce GTX 870M
Radeon HD 6650M
Memory: 1024Mb DDR3MOBILE
Release date: 4 Jan 2011
Radeon HD 6650M

Summary

Reasons to consider GeForce GTX 870M

This is a much newer product, it might have better long term support.
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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications.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 HD 6650M

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

GeForce GTX 870M

HWBench recommends GeForce GTX 870M

Based on theoretical specifications.


Specifications

Core Configuration

GeForce GTX 870MRadeon HD 6650M
GPU NameGK104 (N15E-GT-A2)vsWhistler (Whistler LE)
Fab Process28 nmvs40 nm
Die Size294 mm²vs104 mm²
Transistors3,540 millionvs716 million
Shaders1344vs480
Compute Units7vs6
Core clock941 MHzvs600 MHz
ROPs24vs8
TMUs112vs24

Memory Configuration

GeForce GTX 870MRadeon HD 6650M
Memory TypeGDDR5vsDDR3
Bus Width192 bitvs128 bit
Memory Speed1250 MHz
5000 MHz effective
vs800 MHz
1600 MHz effective
Memory Size3072 Mbvs1024 Mb

Additional details

GeForce GTX 870MRadeon HD 6650M
TDP100 wattsvs0 watts
Release Date12 Mar 2014vs4 Jan 2011

Raw Performance comparison

Pixel Rate

  • GeForce GTX 870M
    26.35 GP/s
  • Radeon HD 6650M
    4.80 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 870M
    105.40 GT/s
  • Radeon HD 6650M
    14.40 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 870M
    120.00 GB/s
  • Radeon HD 6650M
    25.60 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 870M
    2529.40 GFLOPs
  • Radeon HD 6650M
    576.00 GFLOPs

GFLOPs - higher is better

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