Radeon HD 7750 vs Radeon HD 8490 OEM

Radeon HD 7750
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7750
Radeon HD 8490 OEM
Memory: 1024Mb DDR3DESKTOP
Release date: 23 Jul 2013
Radeon HD 8490 OEM

Summary

Reasons to consider Radeon HD 7750

Higher theoretical gaming performance, based on specifications.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 8490 OEM

This is a much newer product, it might have better long term support.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Radeon HD 7750

HWBench recommends Radeon HD 7750

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7750Radeon HD 8490 OEM
GPU NameCape Verde (Cape Verde PRO)vsCaicos (Caicos XTX)
Fab Process28 nmvs40 nm
Die Size123 mm²vs67 mm²
Transistors1,500 millionvs370 million
Shaders512vs160
Compute Units8vs2
Core clock800 MHzvs875 MHz
ROPs16vs4
TMUs32vs8

Memory Configuration

Radeon HD 7750Radeon HD 8490 OEM
Memory TypeGDDR5vsDDR3
Bus Width128 bitvs64 bit
Memory Speed1125 MHz
4500 MHz effective
vs900 MHz
1800 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 7750Radeon HD 8490 OEM
TDP55 wattsvs35 watts
Release Date15 Feb 2012vs23 Jul 2013

Raw Performance comparison

Pixel Rate

  • Radeon HD 7750
    12.80 GP/s
  • Radeon HD 8490 OEM
    3.50 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7750
    25.60 GT/s
  • Radeon HD 8490 OEM
    7.00 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7750
    72.00 GB/s
  • Radeon HD 8490 OEM
    14.40 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7750
    819.20 GFLOPs
  • Radeon HD 8490 OEM
    280.00 GFLOPs

GFLOPs - higher is better