Radeon HD 4850 vs Radeon HD 7750

Radeon HD 4850
Memory: 512Mb GDDR3DESKTOP
Release date: 25 Jun 2008
Radeon HD 4850
Radeon HD 7750
Memory: 1024Mb GDDR5DESKTOP
Release date: 15 Feb 2012
Radeon HD 7750

Summary

Synthetic performance index

  • Radeon HD 4850
    181%
  • Radeon HD 7750
    100%

Relative performance

Reasons to consider Radeon HD 4850

Around 81% higher average synthetic performance.
Based on an outdated architecture (ATI TeraScale), there are no performance optimizations for current games and applications

Reasons to consider Radeon HD 7750

55 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon HD 4850 .
This is a much newer product, it might have better long term support.
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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications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 4850

HWBench recommends Radeon HD 4850

The Radeon HD 4850 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

Radeon HD 4850Radeon HD 7750
GPU NameRV770 (RV770 PRO)vsCape Verde (Cape Verde PRO)
Fab Process55 nmvs28 nm
Die Size256 mm²vs123 mm²
Transistors956 millionvs1,500 million
Shaders800vs512
Compute Units10vs8
Core clock625 MHzvs800 MHz
ROPs16vs16
TMUs40vs32

Memory Configuration

Radeon HD 4850Radeon HD 7750
Memory TypeGDDR3vsGDDR5
Bus Width256 bitvs128 bit
Memory Speed993 MHz
1986 MHz effective
vs1125 MHz
4500 MHz effective
Memory Size512 Mbvs1024 Mb

Additional details

Radeon HD 4850Radeon HD 7750
TDP110 wattsvs55 watts
Release Date25 Jun 2008vs15 Feb 2012

Raw Performance comparison

Pixel Rate

  • Radeon HD 4850
    10.00 GP/s
  • Radeon HD 7750
    12.80 GP/s

GigaPixels - higher is better

Texel Rate

  • Radeon HD 4850
    25.00 GT/s
  • Radeon HD 7750
    25.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • Radeon HD 4850
    63.60 GB/s
  • Radeon HD 7750
    72.00 GB/s

GB/s - higher is better

Single precision performance

  • Radeon HD 4850
    1000.00 GFLOPs
  • Radeon HD 7750
    819.20 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • Radeon HD 4850
    1890
  • Radeon HD 7750
    1040

Points (higher is better)