Radeon HD 3450 AGP vs Radeon HD 7790

Radeon HD 3450 AGP
Memory: 512Mb DDR2DESKTOP
Release date: 23 Jan 2008
Radeon HD 3450 AGP
Radeon HD 7790
Memory: 1024Mb GDDR5DESKTOP
Release date: 22 Mar 2013
Radeon HD 7790

Summary

Reasons to consider Radeon HD 3450 AGP

60 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7790 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7790

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7790

HWBench recommends Radeon HD 7790

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 3450 AGPRadeon HD 7790
GPU NameRV620 (RV620 LE)vsBonaire (Bonaire XT)
Fab Process55 nmvs28 nm
Die Size67 mm²vs160 mm²
Transistors181 millionvs2,080 million
Shaders40vs896
Compute Units2vs14
Core clock600 MHzvs1000 MHz
ROPs4vs16
TMUs4vs56

Memory Configuration

Radeon HD 3450 AGPRadeon HD 7790
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs128 bit
Memory Speed500 MHz
1000 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 3450 AGPRadeon HD 7790
TDP25 wattsvs85 watts
Release Date23 Jan 2008vs22 Mar 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 3450 AGP
    2.40 GP/s
  • Radeon HD 7790
    16.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 3450 AGP
    2.40 GT/s
  • Radeon HD 7790
    56.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 3450 AGP
    8.00 GB/s
  • Radeon HD 7790
    96.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 3450 AGP
    48.00 GFLOPs
  • Radeon HD 7790
    1792.00 GFLOPs

GFLOPs - higher is better