Radeon RX 480 vs Radeon HD 7850

Radeon RX 480
Memory: 8192Mb GDDR5DESKTOP
Release date: 29 Jun 2016
Radeon RX 480
Radeon HD 7850
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7850

Summary

Synthetic performance index

  • Radeon RX 480
    270%
  • Radeon HD 7850
    100%

Relative performance

Reasons to consider Radeon RX 480

This is a much newer product, it might have better long term support.
Around 170% higher average synthetic performance.
Supports Direct3D 12 Async Compute
Supports FreeSync
Supports ReLive (allows game streaming/recording with minimum performance penalty)
Supports TrueAudio
Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 7850

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 RX 480

HWBench recommends Radeon RX 480

The Radeon RX 480 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon RX 480Radeon HD 7850
GPU NameEllesmere (Ellesmere XT)vsPitcairn (Pitcairn PRO)
Fab Process14 nmvs28 nm
Die Size232 mm²vs212 mm²
Transistors5,700 millionvs2,800 million
Shaders2304vs1024
Compute Units36vs16
Core clock1120 MHzvs860 MHz
ROPs32vs32
TMUs144vs64

Memory Configuration

Radeon RX 480Radeon HD 7850
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs256 bit
Memory Speed2000 MHz
8000 MHz effective
vs1200 MHz
4800 MHz effective
Memory Size8192 Mbvs2048 Mb

Additional details

Radeon RX 480Radeon HD 7850
TDP150 wattsvs130 watts
Release Date29 Jun 2016vs5 Mar 2012

Raw Performance comparison

Pixel Rate

  • Radeon RX 480
    40.50 GP/s
  • Radeon HD 7850
    27.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 480
    182.30 GT/s
  • Radeon HD 7850
    55.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 480
    256.00 GB/s
  • Radeon HD 7850
    154.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 480
    5834.00 GFLOPs
  • Radeon HD 7850
    1761.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon RX 480
    18430
  • Radeon HD 7850
    6820

Points (higher is better)