GeForce GT 640 vs Radeon HD 8570 OEM

GeForce GT 640
Memory: 2048Mb DDR3DESKTOP
Release date: 5 Jun 2012
GeForce GT 640
Radeon HD 8570 OEM
Memory: 2048Mb GDDR3DESKTOP
Release date: 8 Jan 2013
Radeon HD 8570 OEM

Summary

Synthetic performance index

  • GeForce GT 640
    112%
  • Radeon HD 8570 OEM
    100%

Relative performance

Reasons to consider GeForce GT 640

Around 12% higher average synthetic performance.
Supports PhysX.
Supports G-Sync.
Supports ShadowPlay (allows game streaming/recording with minimum performance penalty).
Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications.

Reasons to consider Radeon HD 8570 OEM

Supports Direct3D 12 Async Compute.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports Mantle.

GeForce GT 640

HWBench recommends GeForce GT 640

The GeForce GT 640 is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GT 640Radeon HD 8570 OEM
GPU NameGK107 (GK107-300-A2)vsOland ()
Fab Process28 nmvs28 nm
Die Size118 mm²vs90 mm²
Transistors1,270 millionvs1,040 million
Shaders384vs320
Compute Units2vs5
Core clock902 MHzvs730 MHz
ROPs16vs8
TMUs32vs20

Memory Configuration

GeForce GT 640Radeon HD 8570 OEM
Memory TypeDDR3vsGDDR3
Bus Width128 bitvs128 bit
Memory Speed891 MHz
1782 MHz effective
vs900 MHz
1800 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GT 640Radeon HD 8570 OEM
TDP65 wattsvs50 watts
Release Date5 Jun 2012vs8 Jan 2013

Raw Performance comparison

Pixel Rate

  • GeForce GT 640
    7.22 GP/s
  • Radeon HD 8570 OEM
    5.84 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 640
    28.90 GT/s
  • Radeon HD 8570 OEM
    14.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 640
    28.50 GB/s
  • Radeon HD 8570 OEM
    28.80 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 640
    692.70 GFLOPs
  • Radeon HD 8570 OEM
    467.20 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GT 640
    2190
  • Radeon HD 8570 OEM
    1940

Points (higher is better)