GeForce GT 745M vs Radeon R7 M340

GeForce GT 745M
Memory: 2048Mb DDR3MOBILE
Release date: 1 Apr 2013
GeForce GT 745M
Radeon R7 M340
Memory: 2048Mb DDR3MOBILE
Release date: 5 May 2015
Radeon R7 M340

Summary

Reasons to consider GeForce GT 745M

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Based on an outdated architecture (Nvidia Kepler), there are less performance optimizations for current games and applications.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 R7 M340

This is a much newer product, it might have better long term support.
Higher theoretical gaming performance, based on specifications.
Supports Direct3D 12 Async Compute.
Supports ReLive (allows game streaming/recording with minimum performance penalty).
Supports Mantle.

Radeon R7 M340

HWBench recommends Radeon R7 M340

Based on theoretical specifications.



Specifications

Core Configuration

GeForce GT 745MRadeon R7 M340
GPU NameGK107 (N14P-LP)vsMeso (Meso PRO)
Fab Process28 nmvs28 nm
Die Size118 mm²vs77 mm²
Transistors1,270 millionvsunknown
Shaders384vs320
Compute Units2vs5
Core clock837 MHzvs943 MHz
ROPs16vs8
TMUs32vs20

Memory Configuration

GeForce GT 745MRadeon R7 M340
Memory TypeDDR3vsDDR3
Bus Width128 bitvs64 bit
Memory Speed900 MHz
1800 MHz effective
vs1000 MHz
2000 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GT 745MRadeon R7 M340
TDP45 wattsvs0 watts
Release Date1 Apr 2013vs5 May 2015

Raw Performance comparison

Pixel Rate

  • GeForce GT 745M
    6.70 GP/s
  • Radeon R7 M340
    8.17 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GT 745M
    26.78 GT/s
  • Radeon R7 M340
    20.42 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GT 745M
    28.80 GB/s
  • Radeon R7 M340
    16.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GT 745M
    642.80 GFLOPs
  • Radeon R7 M340
    653.40 GFLOPs

GFLOPs - higher is better

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