Radeon HD 4870 Mac Edition vs Radeon R9 280X

Radeon HD 4870 Mac Edition
Memory: 512Mb GDDR5DESKTOP
Release date: 6 Jan 2009
Radeon HD 4870 Mac Edition
Radeon R9 280X
Memory: 3072Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 280X
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 4870 vs Radeon R9 280X instead?

Summary

Synthetic performance index

  • Radeon HD 4870 Mac Edition
    100%
  • Radeon R9 280X
    456%

Relative performance

Reasons to consider Radeon HD 4870 Mac Edition

100 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Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications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 356% 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 4870 Mac EditionRadeon R9 280X
GPU NameRV770 (RV770 PRO)vsTahiti (Tahiti XTL)
Fab Process55 nmvs28 nm
Die Size256 mm²vs352 mm²
Transistors956 millionvs4,313 million
Shaders800vs2048
Compute Units10vs32
Core clock750 MHzvs850 MHz
ROPs16vs32
TMUs40vs128

Memory Configuration

Radeon HD 4870 Mac EditionRadeon R9 280X
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit
Memory Speed850 MHz
3400 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size512 Mbvs3072 Mb

Additional details

Radeon HD 4870 Mac EditionRadeon R9 280X
TDP150 wattsvs250 watts
Release Date6 Jan 2009vs8 Oct 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 4870 Mac Edition
    12.00 GP/s
  • Radeon R9 280X
    27.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4870 Mac Edition
    30.00 GT/s
  • Radeon R9 280X
    109.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4870 Mac Edition
    109.00 GB/s
  • Radeon R9 280X
    288.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4870 Mac Edition
    1200.00 GFLOPs
  • Radeon R9 280X
    3482.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4870 Mac Edition
    2400
  • Radeon R9 280X
    10960

Points (higher is better)