GeForce GTX 970 vs Radeon HD 6770

GeForce GTX 970
Memory: 4096Mb GDDR5DESKTOP
Release date: 19 Sep 2014
GeForce GTX 970
Radeon HD 6770
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6770

Summary

Synthetic performance index

  • GeForce GTX 970
    617%
  • Radeon HD 6770
    100%

Relative performance

Reasons to consider GeForce GTX 970

This is a much newer product, it might have better long term support.
Around 517% 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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 6770

40 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the GeForce GTX 970 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

GeForce GTX 970

HWBench recommends GeForce GTX 970

The GeForce GTX 970 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 970Radeon HD 6770
GPU NameGM204 (GM204-200-A1)vsJuniper (Juniper XT)
Fab Process28 nmvs40 nm
Die Size398 mm²vs166 mm²
Transistors5,200 millionvs1,040 million
Shaders1664vs800
Compute Units13vs10
Core clock1050 MHzvs850 MHz
ROPs56vs16
TMUs104vs40

Memory Configuration

GeForce GTX 970Radeon HD 6770
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed1753 MHz
7012 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size4096 Mbvs1024 Mb

Additional details

GeForce GTX 970Radeon HD 6770
TDP148 wattsvs108 watts
Release Date19 Sep 2014vs21 Jan 2011

Raw Performance comparison

Pixel Rate

  • GeForce GTX 970
    58.80 GP/s
  • Radeon HD 6770
    13.60 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 970
    109.20 GT/s
  • Radeon HD 6770
    34.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 970
    224.40 GB/s
  • Radeon HD 6770
    76.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 970
    3494.00 GFLOPs
  • Radeon HD 6770
    1360.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 970
    15750
  • Radeon HD 6770
    2550

Points (higher is better)