Radeon HD 4850 X2 vs Radeon R7 250X

Radeon HD 4850 X2
Memory: 512Mb GDDR3DESKTOP
Release date: 7 Nov 2008
Radeon HD 4850 X2
Radeon R7 250X
Memory: 1024Mb GDDR5DESKTOP
Release date: 13 Feb 2014
Radeon R7 250X

Summary

Synthetic performance index

  • Radeon HD 4850 X2
    100%
  • Radeon R7 250X
    121%

Relative performance

Reasons to consider Radeon HD 4850 X2

Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon R7 250X

170 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4850 X2 .
This is a much newer product, it might have better long term support.
Around 21% 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 R7 250X

HWBench recommends Radeon R7 250X

The Radeon R7 250X is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 4850 X2Radeon R7 250X
GPU NameR700 (R700 PRO)vsCape Verde (Cape Verde XT)
Fab Process55 nmvs28 nm
Die Size256 mm²vs123 mm²
Transistors956 millionvs1,500 million
Shaders800vs640
Compute Units10vs10
Core clock625 MHzvs950 MHz
ROPs16vs16
TMUs40vs40

Memory Configuration

Radeon HD 4850 X2Radeon R7 250X
Memory TypeGDDR3vsGDDR5
Bus Width256 bit x2vs128 bit
Memory Speed995 MHz
1990 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 4850 X2Radeon R7 250X
TDP250 wattsvs80 watts
Release Date7 Nov 2008vs13 Feb 2014

Raw Performance comparison

Pixel Rate

  • Radeon HD 4850 X2
    20.00 GP/s
  • Radeon R7 250X
    15.20 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4850 X2
    50.00 GT/s
  • Radeon R7 250X
    38.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4850 X2
    127.40 GB/s
  • Radeon R7 250X
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4850 X2
    2000.00 GFLOPs
  • Radeon R7 250X
    1216.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4850 X2
    3300
  • Radeon R7 250X
    4020

Points (higher is better)