GeForce GTX 680 Mac Edition vs Radeon HD 7950

GeForce GTX 680 Mac Edition
Memory: 2048Mb GDDR5DESKTOP
Release date: 3 Apr 2013
GeForce GTX 680 Mac Edition
Radeon HD 7950
Memory: 3072Mb GDDR5DESKTOP
Release date: 31 Jan 2012
Radeon HD 7950
You are comparing OEM or variant versions of at least one VGA. Did you mean GeForce GTX 680 vs Radeon HD 7950 instead?

Summary

Synthetic performance index

  • GeForce GTX 680 Mac Edition
    117%
  • Radeon HD 7950
    100%

Relative performance

Reasons to consider GeForce GTX 680 Mac Edition

This is a much newer product, it might have better long term support.
Around 17% 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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications

Reasons to consider Radeon HD 7950

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 680 Mac Edition

HWBench recommends GeForce GTX 680 Mac Edition

The GeForce GTX 680 Mac Edition is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 680 Mac EditionRadeon HD 7950
GPU NameGK104 (GK104-400-A2)vsTahiti (Tahiti PRO)
Fab Process28 nmvs28 nm
Die Size294 mm²vs352 mm²
Transistors3,540 millionvs4,313 million
Shaders1536vs1792
Compute Units8vs28
Core clock1006 MHzvs800 MHz
ROPs32vs32
TMUs128vs112

Memory Configuration

GeForce GTX 680 Mac EditionRadeon HD 7950
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed1502 MHz
6008 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs3072 Mb

Additional details

GeForce GTX 680 Mac EditionRadeon HD 7950
TDP195 wattsvs200 watts
Release Date3 Apr 2013vs31 Jan 2012

Raw Performance comparison

Pixel Rate

  • GeForce GTX 680 Mac Edition
    32.20 GP/s
  • Radeon HD 7950
    25.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 680 Mac Edition
    129.00 GT/s
  • Radeon HD 7950
    89.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 680 Mac Edition
    192.00 GB/s
  • Radeon HD 7950
    240.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 680 Mac Edition
    3090.00 GFLOPs
  • Radeon HD 7950
    2867.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 680 Mac Edition
    10700
  • Radeon HD 7950
    9130

Points (higher is better)