Radeon HD 6750 vs Radeon HD 6790

Radeon HD 6750
Memory: 1024Mb GDDR5DESKTOP
Release date: 21 Jan 2011
Radeon HD 6750
Radeon HD 6790
Memory: 1024Mb GDDR5DESKTOP
Release date: 4 Apr 2011
Radeon HD 6790

Summary

Synthetic performance index

  • Radeon HD 6750
    100%
  • Radeon HD 6790
    150%

Relative performance

Reasons to consider Radeon HD 6750

64 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6790 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon HD 6790

Around 50% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Radeon HD 6790

HWBench recommends Radeon HD 6790

The Radeon HD 6790 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 6750Radeon HD 6790
GPU NameJuniper (Juniper PRO)vsBarts (Barts LE)
Fab Process40 nmvs40 nm
Die Size166 mm²vs255 mm²
Transistors1,040 millionvs1,700 million
Shaders720vs800
Compute Units9vs10
Core clock700 MHzvs840 MHz
ROPs16vs16
TMUs36vs40

Memory Configuration

Radeon HD 6750Radeon HD 6790
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed1150 MHz
4600 MHz effective
vs1050 MHz
4200 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 6750Radeon HD 6790
TDP86 wattsvs150 watts
Release Date21 Jan 2011vs4 Apr 2011

Raw Performance comparison

Pixel Rate

  • Radeon HD 6750
    11.20 GP/s
  • Radeon HD 6790
    13.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 6750
    25.20 GT/s
  • Radeon HD 6790
    33.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 6750
    73.60 GB/s
  • Radeon HD 6790
    134.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 6750
    1008.00 GFLOPs
  • Radeon HD 6790
    1344.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 6750
    2050
  • Radeon HD 6790
    3090

Points (higher is better)