Radeon HD 8450 OEM vs Radeon R9 390 X2

Radeon HD 8450 OEM
Memory: 1024Mb DDR3DESKTOP
Release date: 8 Jan 2013
Radeon HD 8450 OEM
Radeon R9 390 X2
Memory: 8192Mb GDDR5DESKTOP
Release date: 3 Sep 2015
Radeon R9 390 X2
You are comparing OEM or variant versions of at least one VGA. Did you mean Radeon HD 8450 OEM vs Radeon R9 295X2 instead?

Summary

Reasons to consider Radeon HD 8450 OEM

562 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 390 X2 .
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon R9 390 X2

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 X2

HWBench recommends Radeon R9 390 X2

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 8450 OEMRadeon R9 390 X2
GPU NameCaicos (Caicos PRO-L)vsGrenada (Grenada PRO)
Fab Process40 nmvs28 nm
Die Size67 mm²vs438 mm²
Transistors370 millionvs6,200 million
Shaders160vs2560
Compute Units2vs40
Core clock625 MHzvs1000 MHz
ROPs4vs64
TMUs8vs160

Memory Configuration

Radeon HD 8450 OEMRadeon R9 390 X2
Memory TypeDDR3vsGDDR5
Bus Width64 bitvs512 bit x2
Memory Speed667 MHz
1334 MHz effective
vs1350 MHz
5400 MHz effective
Memory Size1024 Mbvs8192 Mb

Additional details

Radeon HD 8450 OEMRadeon R9 390 X2
TDP18 wattsvs580 watts
Release Date8 Jan 2013vs3 Sep 2015

Raw Performance comparison

Pixel Rate

  • Radeon HD 8450 OEM
    2.50 GP/s
  • Radeon R9 390 X2
    128.00 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 8450 OEM
    5.00 GT/s
  • Radeon R9 390 X2
    320.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 8450 OEM
    10.70 GB/s
  • Radeon R9 390 X2
    692.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 8450 OEM
    200.00 GFLOPs
  • Radeon R9 390 X2
    10240.00 GFLOPs

GFLOPs - higher is better