Radeon RX 460 vs Radeon HD 6990

Radeon RX 460
Memory: 2048Mb GDDR5DESKTOP
Release date: 29 Jun 2016
Radeon RX 460
Radeon HD 6990
Memory: 2048Mb GDDR5DESKTOP
Release date: 8 Mar 2011
Radeon HD 6990

Summary

Synthetic performance index

  • Radeon RX 460
    100%
  • Radeon HD 6990
    132%

Relative performance

Reasons to consider Radeon RX 460

300 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 6990 .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 6990

Around 32% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 6990

HWBench recommends Radeon HD 6990

The Radeon HD 6990 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon RX 460Radeon HD 6990
GPU NameBaffin (Baffin PRO)vsAntilles (Antilles XT)
Fab Process14 nmvs40 nm
Die Size123 mm²vs389 mm²
Transistors3,000 millionvs2,640 million
Shaders896vs1536
Compute Units14vs24
Core clock1090 MHzvs830 MHz
ROPs16vs32
TMUs56vs96

Memory Configuration

Radeon RX 460Radeon HD 6990
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs256 bit x2
Memory Speed1750 MHz
7000 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

Radeon RX 460Radeon HD 6990
TDP75 wattsvs375 watts
Release Date29 Jun 2016vs8 Mar 2011

Raw Performance comparison

Pixel Rate

  • Radeon RX 460
    19.20 GP/s
  • Radeon HD 6990
    26.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon RX 460
    67.20 GT/s
  • Radeon HD 6990
    79.70 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon RX 460
    112.00 GB/s
  • Radeon HD 6990
    160.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon RX 460
    2150.40 GFLOPs
  • Radeon HD 6990
    2550.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon RX 460
    8080
  • Radeon HD 6990
    10720

Points (higher is better)