Radeon HD 7990 vs Radeon R9 290X

Radeon HD 7990
Memory: 3072Mb GDDR5DESKTOP
Release date: 24 Apr 2013
Radeon HD 7990
Radeon R9 290X
Memory: 4096Mb GDDR5DESKTOP
Release date: 24 Oct 2013
Radeon R9 290X

Summary

Synthetic performance index

  • Radeon HD 7990
    114%
  • Radeon R9 290X
    100%

Relative performance

Gaming performance index

  • Radeon HD 7990
    123%
  • Radeon R9 290X
    100%

Relative performance

Reasons to consider Radeon HD 7990

23% higher gaming 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Reasons to consider Radeon R9 290X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7990

HWBench recommends Radeon HD 7990

The Radeon HD 7990 is the better performing card based on the game benchmark suite used (5 combinations of games and resolutions).


Specifications

Core Configuration

Radeon HD 7990Radeon R9 290X
GPU NameMalta ()vsHawaii (Hawaii XT)
Fab Process28 nmvs28 nm
Die Size365 mm²vs438 mm²
Transistors4,313 millionvs6,200 million
Shaders2048vs2816
Compute Units32vs44
Core clock950 MHzvs1000 MHz
ROPs32vs64
TMUs128vs176

Memory Configuration

Radeon HD 7990Radeon R9 290X
Memory TypeGDDR5vsGDDR5
Bus Width384 bit x2vs512 bit
Memory Speed1500 MHz
6000 MHz effective
vs1250 MHz
5000 MHz effective
Memory Size3072 Mbvs4096 Mb

Additional details

Radeon HD 7990Radeon R9 290X
TDP375 wattsvs290 watts
Release Date24 Apr 2013vs24 Oct 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7990
    60.80 GP/s
  • Radeon R9 290X
    64.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7990
    244.00 GT/s
  • Radeon R9 290X
    176.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7990
    576.00 GB/s
  • Radeon R9 290X
    320.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7990
    7782.00 GFLOPs
  • Radeon R9 290X
    5632.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7990
    18530
  • Radeon R9 290X
    16210

Points (higher is better)

Game benchmarks

Battlefield 4

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

  • Radeon HD 7990
    128
  • Radeon R9 290X
    92

FPS (higher is better)

Bioshock Infinite

DX11, Ultra Quality,DDOD, FX AA

  • Radeon HD 7990
    122
  • Radeon R9 290X
    95

FPS (higher is better)

Crysis 3

DX11,Very High Quality, FXAA

  • Radeon HD 7990
    79
  • Radeon R9 290X
    55

FPS (higher is better)

Hitman Absolution

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

  • Radeon HD 7990
    79
  • Radeon R9 290X
    80

FPS (higher is better)

Metro Last Light

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

  • Radeon HD 7990
    71
  • Radeon R9 290X
    67

FPS (higher is better)