Radeon HD 7770M vs Radeon HD 7750

Radeon HD 7770M
Memory: 1024Mb GDDR5MOBILE
Release date: 24 Apr 2012
Radeon HD 7770M
Radeon HD 7750
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7750

Summary

Reasons to consider Radeon HD 7770M

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7750

HWBench recommends Radeon HD 7750

Based on theoretical specifications.


Specifications

Core Configuration

Radeon HD 7770MRadeon HD 7750
GPU NameChelsea (Chelsea XT)vsCape Verde (Cape Verde PRO)
Fab Process28 nmvs28 nm
Die Size123 mm²vs123 mm²
Transistors1,500 millionvs1,500 million
Shaders512vs512
Compute Units8vs8
Core clock675 MHzvs800 MHz
ROPs16vs16
TMUs32vs32

Memory Configuration

Radeon HD 7770MRadeon HD 7750
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1000 MHz
4000 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size1024 Mbvs1024 Mb

Additional details

Radeon HD 7770MRadeon HD 7750
TDP32 wattsvs55 watts
Release Date24 Apr 2012vs15 Feb 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 7770M
    10.80 GP/s
  • Radeon HD 7750
    12.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7770M
    21.60 GT/s
  • Radeon HD 7750
    25.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7770M
    64.00 GB/s
  • Radeon HD 7750
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7770M
    691.20 GFLOPs
  • Radeon HD 7750
    819.20 GFLOPs

GFLOPs - higher is better