Radeon HD 3690 vs Radeon HD 7720 OEM

Radeon HD 3690
Memory: 256Mb GDDR3DESKTOP
Release date: 30 Mar 2008
Radeon HD 3690
Radeon HD 7720 OEM
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Mar 2013
Radeon HD 7720 OEM

Summary

Reasons to consider Radeon HD 3690

75 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7720 OEM .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7720 OEM

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 7720 OEM

HWBench recommends Radeon HD 7720 OEM

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 3690Radeon HD 7720 OEM
GPU NameRV670 (RV670 PRO)vsBarts (Barts LE)
Fab Process55 nmvs40 nm
Die Size192 mm²vs255 mm²
Transistors666 millionvs1,700 million
Shaders320vs800
Compute Units4vs10
Core clock670 MHzvs840 MHz
ROPs16vs32
TMUs16vs40

Memory Configuration

Radeon HD 3690Radeon HD 7720 OEM
Memory TypeGDDR3vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed830 MHz
1660 MHz effective
vs1050 MHz
4200 MHz effective
Memory Size256 Mbvs1024 Mb

Additional details

Radeon HD 3690Radeon HD 7720 OEM
TDP75 wattsvs150 watts
Release Date30 Mar 2008vs15 Mar 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 3690
    10.70 GP/s
  • Radeon HD 7720 OEM
    26.90 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 3690
    10.70 GT/s
  • Radeon HD 7720 OEM
    33.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 3690
    26.60 GB/s
  • Radeon HD 7720 OEM
    134.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 3690
    428.80 GFLOPs
  • Radeon HD 7720 OEM
    1344.00 GFLOPs

GFLOPs - higher is better