Radeon HD 3870 Mac Edition vs Radeon R7 240 (HD 8570 rebrand)

Radeon HD 3870 Mac Edition
Memory: 512Mb GDDR4DESKTOP
Release date: 12 Jun 2008
Radeon HD 3870 Mac Edition
Radeon R7 240 (HD 8570 rebrand)
Memory: 2048Mb DDR3DESKTOP
Release date: 1 Nov 2013
Radeon R7 240 (HD 8570 rebrand)

Summary

Reasons to consider Radeon HD 3870 Mac Edition

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon R7 240 (HD 8570 rebrand)

56 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 3870 Mac Edition .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

No clear winner declared

We have no data to declare a winner at this time.


Specifications

Core Configuration

Radeon HD 3870 Mac EditionRadeon R7 240 (HD 8570 rebrand)
GPU NameRV670 (RV670 XT)vsOland ()
Fab Process55 nmvs28 nm
Die Size192 mm²vs90 mm²
Transistors666 millionvs1,040 million
Shaders320vs320
Compute Units4vs5
Core clock777 MHzvs730 MHz
ROPs16vs8
TMUs16vs20

Memory Configuration

Radeon HD 3870 Mac EditionRadeon R7 240 (HD 8570 rebrand)
Memory TypeGDDR4vsDDR3
Bus Width256 bitvs128 bit
Memory Speed1126 MHz
2252 MHz effective
vs900 MHz
1800 MHz effective
Memory Size512 Mbvs2048 Mb

Additional details

Radeon HD 3870 Mac EditionRadeon R7 240 (HD 8570 rebrand)
TDP106 wattsvs50 watts
Release Date12 Jun 2008vs1 Nov 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 3870 Mac Edition
    12.40 GP/s
  • Radeon R7 240 (HD 8570 rebrand)
    5.84 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 3870 Mac Edition
    12.40 GT/s
  • Radeon R7 240 (HD 8570 rebrand)
    14.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 3870 Mac Edition
    72.10 GB/s
  • Radeon R7 240 (HD 8570 rebrand)
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 3870 Mac Edition
    497.30 GFLOPs
  • Radeon R7 240 (HD 8570 rebrand)
    467.20 GFLOPs

GFLOPs - higher is better