Radeon HD 7850 vs Radeon HD 7990

Radeon HD 7850
Memory: 2048Mb GDDR5DESKTOP
Release date: 5 Mar 2012
Radeon HD 7850
Radeon HD 7990
Memory: 3072Mb GDDR5DESKTOP
Release date: 24 Apr 2013
Radeon HD 7990

Summary

Synthetic performance index

  • Radeon HD 7850
    100%
  • Radeon HD 7990
    271%

Relative performance

Gaming performance index

  • Radeon HD 7850
    100%
  • Radeon HD 7990
    275%

Relative performance

Reasons to consider Radeon HD 7850

245 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7990 .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 7990

175% higher gaming performance.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7990

HWBench recommends Radeon HD 7990

The Radeon HD 7990 is the better performing card based on the game benchmark suite used (4 combinations of games and resolutions).


Specifications

Core Configuration

Radeon HD 7850Radeon HD 7990
GPU NamePitcairn (Pitcairn PRO)vsMalta ()
Fab Process28 nmvs28 nm
Die Size212 mm²vs365 mm²
Transistors2,800 millionvs4,313 million
Shaders1024vs2048
Compute Units16vs32
Core clock860 MHzvs950 MHz
ROPs32vs32
TMUs64vs128

Memory Configuration

Radeon HD 7850Radeon HD 7990
Memory TypeGDDR5vsGDDR5
Bus Width256 bitvs384 bit x2
Memory Speed1200 MHz
4800 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size2048 Mbvs3072 Mb

Additional details

Radeon HD 7850Radeon HD 7990
TDP130 wattsvs375 watts
Release Date5 Mar 2012vs24 Apr 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7850
    27.50 GP/s
  • Radeon HD 7990
    60.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7850
    55.00 GT/s
  • Radeon HD 7990
    244.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7850
    154.00 GB/s
  • Radeon HD 7990
    576.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7850
    1761.00 GFLOPs
  • Radeon HD 7990
    7782.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7850
    6820
  • Radeon HD 7990
    18530

Points (higher is better)

Game benchmarks

Battlefield 4

DX11, Ultra Quality,2x MSAA,16x AF, HBAO

  • Radeon HD 7850
    41
  • Radeon HD 7990
    128

FPS (higher is better)

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

  • Radeon HD 7850
    37
  • Radeon HD 7990
    122

FPS (higher is better)

Hitman Absolution

DX11, High Quality, 2x MSAA, 16x AF

  • Radeon HD 7850
    40
  • Radeon HD 7990
    79

FPS (higher is better)

Metro Last Light

DX11, AAA standard, 16xAF, Motion Blur normal, Tesselation normal

  • Radeon HD 7850
    27
  • Radeon HD 7990
    71

FPS (higher is better)