Radeon HD 4870 X2 vs Radeon R7 250X

Radeon HD 4870 X2
Memory: 1024Mb GDDR5DESKTOP
Release date: 12 Aug 2008
Radeon HD 4870 X2
Radeon R7 250X
Memory: 1024Mb GDDR5DESKTOP
Release date: 13 Feb 2014
Radeon R7 250X

Summary

Synthetic performance index

  • Radeon HD 4870 X2
    103%
  • Radeon R7 250X
    100%

Relative performance

Reasons to consider Radeon HD 4870 X2

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications.

Reasons to consider Radeon R7 250X

206 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4870 X2 .
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.

No clear winner declared

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


Specifications

Core Configuration

Radeon HD 4870 X2Radeon R7 250X
GPU NameR700 (R700 XT)vsCape Verde (Cape Verde XT)
Fab Process55 nmvs28 nm
Die Size256 mm²vs123 mm²
Transistors956 millionvs1,500 million
Shaders800vs640
Compute Units10vs10
Core clock700 MHzvs950 MHz
ROPs16vs16
TMUs40vs40

Memory Configuration

Radeon HD 4870 X2Radeon R7 250X
Memory TypeGDDR5vsGDDR5
Bus Width256 bit x2vs128 bit
Memory Speed900 MHz
3600 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 4870 X2Radeon R7 250X
TDP286 wattsvs80 watts
Release Date12 Aug 2008vs13 Feb 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 4870 X2
    22.40 GP/s
  • Radeon R7 250X
    15.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4870 X2
    56.00 GT/s
  • Radeon R7 250X
    38.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4870 X2
    230.00 GB/s
  • Radeon R7 250X
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4870 X2
    2240.00 GFLOPs
  • Radeon R7 250X
    1216.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4870 X2
    4170
  • Radeon R7 250X
    4020

Points (higher is better)