Radeon HD 5450 vs Radeon R9 280X

Radeon HD 5450
Memory: 512Mb DDR2DESKTOP
Release date: 4 Feb 2010
Radeon HD 5450
Radeon R9 280X
Memory: 3072Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 280X

Summary

Synthetic performance index

  • Radeon HD 5450
    100%
  • Radeon R9 280X
    3223%

Relative performance

Reasons to consider Radeon HD 5450

231 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 280X .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon R9 280X

This is a much newer product, it might have better long term support.
Around 3123% higher average synthetic performance.
Supports Direct3D 12 Async Compute
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports Mantle
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 280X

HWBench recommends Radeon R9 280X

The Radeon R9 280X is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 5450Radeon R9 280X
GPU NameCedar (Cedar PRO)vsTahiti (Tahiti XTL)
Fab Process40 nmvs28 nm
Die Size59 mm²vs352 mm²
Transistors292 millionvs4,313 million
Shaders80vs2048
Compute Units2vs32
Core clock650 MHzvs850 MHz
ROPs4vs32
TMUs8vs128

Memory Configuration

Radeon HD 5450Radeon R9 280X
Memory TypeDDR2vsGDDR5
Bus Width64 bitvs384 bit
Memory Speed400 MHz
800 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size512 Mbvs3072 Mb

Additional details

Radeon HD 5450Radeon R9 280X
TDP19 wattsvs250 watts
Release Date4 Feb 2010vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 5450
    2.60 GP/s
  • Radeon R9 280X
    27.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 5450
    5.20 GT/s
  • Radeon R9 280X
    109.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 5450
    6.40 GB/s
  • Radeon R9 280X
    288.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 5450
    104.00 GFLOPs
  • Radeon R9 280X
    3482.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 5450
    340
  • Radeon R9 280X
    10960

Points (higher is better)