Radeon HD 7750 vs Radeon HD 7870 XT

Radeon HD 7750
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7750
Radeon HD 7870 XT
Memory: 2048Mb GDDR5DESKTOP
Release date: 19 Nov 2012
Radeon HD 7870 XT

Summary

Synthetic performance index

  • Radeon HD 7750
    100%
  • Radeon HD 7870 XT
    825%

Relative performance

Reasons to consider Radeon HD 7750

130 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 7870 XT .
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 7870 XT

This is a much newer product, it might have better long term support.
Around 725% higher average synthetic 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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

Radeon HD 7870 XT

HWBench recommends Radeon HD 7870 XT

The Radeon HD 7870 XT is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 7750Radeon HD 7870 XT
GPU NameCape Verde (Cape Verde PRO)vsTahiti (Tahiti LE)
Fab Process28 nmvs28 nm
Die Size123 mm²vs352 mm²
Transistors1,500 millionvs4,313 million
Shaders512vs1536
Compute Units8vs24
Core clock800 MHzvs925 MHz
ROPs16vs32
TMUs32vs96

Memory Configuration

Radeon HD 7750Radeon HD 7870 XT
Memory TypeGDDR5vsGDDR5
Bus Width128 bitvs256 bit
Memory Speed1125 MHz
4500 MHz effective
vs1500 MHz
6000 MHz effective
Memory Size1024 Mbvs2048 Mb

Additional details

Radeon HD 7750Radeon HD 7870 XT
TDP55 wattsvs185 watts
Release Date15 Feb 2012vs19 Nov 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 7750
    12.80 GP/s
  • Radeon HD 7870 XT
    29.60 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 7750
    25.60 GT/s
  • Radeon HD 7870 XT
    88.80 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 7750
    72.00 GB/s
  • Radeon HD 7870 XT
    192.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 7750
    819.20 GFLOPs
  • Radeon HD 7870 XT
    2842.00 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 7750
    1040
  • Radeon HD 7870 XT
    8590

Points (higher is better)