Radeon HD 6990M vs GeForce GTX 650

Radeon HD 6990M
Memory: 2048Mb GDDR5MOBILE
Release date: 12 Jul 2011
Radeon HD 6990M
GeForce GTX 650
Memory: 1024Mb GDDR5DESKTOP
Release date: 27 Nov 2013
GeForce GTX 650

Summary

Synthetic performance index

  • Radeon HD 6990M
    110%
  • GeForce GTX 650
    100%

Relative performance

Reasons to consider Radeon HD 6990M

Around 10% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider GeForce GTX 650

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Radeon HD 6990M

HWBench recommends Radeon HD 6990M

The Radeon HD 6990M is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 6990MGeForce GTX 650
GPU NameBlackcomb (Blackcomb XTX)vsGK106 ()
Fab Process40 nmvs28 nm
Die Size212 mm²vs221 mm²
Transistors1,700 millionvs2,540 million
Shaders1120vs384
Compute Units14vs2
Core clock715 MHzvs1058 MHz
ROPs32vs16
TMUs56vs32

Memory Configuration

Radeon HD 6990MGeForce GTX 650
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed900 MHz
3600 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs1024 Mb

Additional details

Radeon HD 6990MGeForce GTX 650
TDP100 wattsvs65 watts
Release Date12 Jul 2011vs27 Nov 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 6990M
    22.88 GP/s
  • GeForce GTX 650
    8.46 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6990M
    40.00 GT/s
  • GeForce GTX 650
    33.90 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6990M
    115.20 GB/s
  • GeForce GTX 650
    80.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6990M
    1601.60 GFLOPs
  • GeForce GTX 650
    812.50 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 6990M
    3190
  • GeForce GTX 650
    2880

Points (higher is better)