Radeon HD 3850 AGP vs Radeon HD 4520

Radeon HD 3850 AGP
Memory: 512Mb GDDR3DESKTOP
Release date: 3 Jan 2008
Radeon HD 3850 AGP
Radeon HD 4520
Memory: 512Mb DDR2DESKTOP
Release date: 2 Dec 2009
Radeon HD 4520

Summary

Reasons to consider Radeon HD 3850 AGP

Higher theoretical gaming performance, based on specifications.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 4520

50 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 3850 AGP .
This is a much newer product, it might have better long term support.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 3850 AGP

HWBench recommends Radeon HD 3850 AGP

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 3850 AGPRadeon HD 4520
GPU NameRV670 (RV670 PRO)vsRV710 ()
Fab Process55 nmvs55 nm
Die Size192 mm²vs73 mm²
Transistors666 millionvs242 million
Shaders320vs80
Compute Units4vs1
Core clock668 MHzvs600 MHz
ROPs16vs4
TMUs16vs8

Memory Configuration

Radeon HD 3850 AGPRadeon HD 4520
Memory TypeGDDR3vsDDR2
Bus Width256 bitvs64 bit
Memory Speed828 MHz
1656 MHz effective
vs400 MHz
800 MHz effective
Memory Size512 Mbvs512 Mb

Additional details

Radeon HD 3850 AGPRadeon HD 4520
TDP75 wattsvs25 watts
Release Date3 Jan 2008vs2 Dec 2009

Raw Performance comparison

Pixel Rate

  • Radeon HD 3850 AGP
    10.70 GP/s
  • Radeon HD 4520
    2.40 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 3850 AGP
    10.70 GT/s
  • Radeon HD 4520
    4.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 3850 AGP
    53.00 GB/s
  • Radeon HD 4520
    6.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 3850 AGP
    427.50 GFLOPs
  • Radeon HD 4520
    96.00 GFLOPs

GFLOPs - higher is better