GeForce GTX 850M vs Radeon HD 8790M

GeForce GTX 850M
Memory: 2048Mb DDR3MOBILE
Release date: 12 Mar 2014
GeForce GTX 850M
Radeon HD 8790M
Memory: 2048Mb GDDR5MOBILE
Release date: 1 Apr 2013
Radeon HD 8790M

Summary

Synthetic performance index

  • GeForce GTX 850M
    207%
  • Radeon HD 8790M
    100%

Relative performance

Reasons to consider GeForce GTX 850M

This is a much newer product, it might have better long term support.
Around 107% 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Based on an outdated architecture (Nvidia Maxwell), there may be no performance optimizations for current games and applications

Reasons to consider Radeon HD 8790M

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Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications

GeForce GTX 850M

HWBench recommends GeForce GTX 850M

The GeForce GTX 850M is the better performing card based on the synthetic benchmarks used (1 benchmarks).


Specifications

Core Configuration

GeForce GTX 850MRadeon HD 8790M
GPU NameGM107 (N15P-GT-A1)vsMars (Mars XTX)
Fab Process28 nmvs28 nm
Die Size148 mm²vs77 mm²
Transistors1,870 millionvs1,040 million
Shaders640vs384
Compute Units5vs6
Core clock902 MHzvs850 MHz
ROPs16vs8
TMUs40vs24

Memory Configuration

GeForce GTX 850MRadeon HD 8790M
Memory TypeDDR3vsGDDR5
Bus Width128 bitvs128 bit
Memory Speed1001 MHz
2002 MHz effective
vs1000 MHz
4000 MHz effective
Memory Size2048 Mbvs2048 Mb

Additional details

GeForce GTX 850MRadeon HD 8790M
TDP45 wattsvs0 watts
Release Date12 Mar 2014vs1 Apr 2013

Raw Performance comparison

Pixel Rate

  • GeForce GTX 850M
    14.43 GP/s
  • Radeon HD 8790M
    7.20 GP/s

GigaPixels - higher is better

Texel Rate

  • GeForce GTX 850M
    36.10 GT/s
  • Radeon HD 8790M
    21.60 GT/s

GigaTexels - higher is better

Memory bandwidth

  • GeForce GTX 850M
    32.00 GB/s
  • Radeon HD 8790M
    64.00 GB/s

GB/s - higher is better

Single precision performance

  • GeForce GTX 850M
    1154.60 GFLOPs
  • Radeon HD 8790M
    691.20 GFLOPs

GFLOPs - higher is better

Synthetic benchmarks

3DMark 11

  • GeForce GTX 850M
    4420
  • Radeon HD 8790M
    2130

Points (higher is better)

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