Radeon R9 280X vs Radeon R9 390

Radeon R9 280X
Memory: 3072Mb GDDR5DESKTOP
Release date: 8 Oct 2013
Radeon R9 280X
Radeon R9 390
Memory: 8192Mb GDDR5DESKTOP
Release date: 18 Jun 2015
Radeon R9 390

Summary

Synthetic performance index

  • Radeon R9 280X
    100%
  • Radeon R9 390
    162%

Relative performance

Gaming performance index

  • Radeon R9 280X
    100%
  • Radeon R9 390
    158%

Relative performance

Reasons to consider Radeon R9 280X

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 390

58% higher gaming performance.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon R9 390

HWBench recommends Radeon R9 390

The Radeon R9 390 is the better performing card based on the game benchmark suite used (9 combinations of games and resolutions).


Specifications

Core Configuration

Radeon R9 280XRadeon R9 390
GPU NameTahiti (Tahiti XTL)vsGrenada (Grenada PRO)
Fab Process28 nmvs28 nm
Die Size352 mm²vs438 mm²
Transistors4,313 millionvs6,200 million
Shaders2048vs2560
Compute Units32vs40
Core clock850 MHzvs1000 MHz
ROPs32vs64
TMUs128vs160

Memory Configuration

Radeon R9 280XRadeon R9 390
Memory TypeGDDR5vsGDDR5
Bus Width384 bitvs512 bit
Memory Speed1500 MHz
6000 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size3072 Mbvs8192 Mb

Additional details

Radeon R9 280XRadeon R9 390
TDP250 wattsvs275 watts
Release Date8 Oct 2013vs18 Jun 2015

Raw Performance comparison

Pixel Rate

  • Radeon R9 280X
    27.20 GP/s
  • Radeon R9 390
    64.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon R9 280X
    109.00 GT/s
  • Radeon R9 390
    160.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon R9 280X
    288.00 GB/s
  • Radeon R9 390
    384.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon R9 280X
    3482.00 GFLOPs
  • Radeon R9 390
    5120.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon R9 280X
    10960
  • Radeon R9 390
    17820

Points (higher is better)

Game benchmarks

Anno 2205

DX11, Ultra Quality, 4xAA

  • Radeon R9 280X
    40
  • Radeon R9 390
    58

FPS (higher is better)

Gears of War 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    48
  • Radeon R9 390
    83

FPS (higher is better)

Sniper Elite 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    42
  • Radeon R9 390
    75

FPS (higher is better)

Anno 2205

DX11, Ultra Quality, 4xAA

  • Radeon R9 280X
    30
  • Radeon R9 390
    38

FPS (higher is better)

Gears of War 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    32
  • Radeon R9 390
    56

FPS (higher is better)

Sniper Elite 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    32
  • Radeon R9 390
    50

FPS (higher is better)

Anno 2205

DX11, Ultra Quality, 4xAA

  • Radeon R9 280X
    18
  • Radeon R9 390
    24

FPS (higher is better)

Gears of War 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    14
  • Radeon R9 390
    27

FPS (higher is better)

Sniper Elite 4

Ultra Quality, DirectX 12, Windows 10 x64

  • Radeon R9 280X
    22
  • Radeon R9 390
    33

FPS (higher is better)