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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 8850M 2GB GDDR5 are very slightly better than the Nvidia GeForce GT 750M.

The GeForce GT 750M has a 392 MHz higher core clock speed but 8 fewer Texture Mapping Units than the HD 8850M. The lower TMU count doesn't matter, though, as altogether the GeForce GT 750M manages to provide 7.9 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GeForce GT 750M has a 392 MHz higher core clock speed than the HD 8850M and the same number of Render Output Units. This results in the GeForce GT 750M providing 6.3 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GeForce GT 750M was released less than a year after the HD 8850M, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GeForce GT 750M has 2048 MB more video memory than the HD 8850M, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the HD 8850M has superior memory performance.

The HD 8850M has 40 GB/sec greater memory bandwidth than the GeForce GT 750M, which means that the memory performance of the HD 8850M is noticeably better than the GeForce GT 750M.

The Radeon HD 8850M 2GB GDDR5 has 640 Shader Processing Units and the GeForce GT 750M has 384. However, the actual shader performance of the HD 8850M is 576. The HD 8850M having 192 better shader performance and an altogether better performance when taking into account other relevant data means that the HD 8850M delivers a noticeably smoother and more efficient experience when processing graphical data than the GeForce GT 750M.

The Radeon HD 8850M 2GB GDDR5 requires 45 Watts to run and the GeForce GT 750M requires 50 Watts. The GeForce GT 750M requires 5 Watts more than the HD 8850M to run. The difference is not significant enough for the GeForce GT 750M to have a noticeably larger impact on your yearly electricity bills than the HD 8850M.

Can I Run It

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GPU Core Details

Core Speed575 MHzvs967 MHz
ArchitectureGCN 1.1 Venus PROKepler GK107
Notebook GPUyesyes
SLI/Crossfireyesvsyes
Dedicatedyesvsyes
Release Date01 Jan 201301 Apr 2013
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory2048 MBvs4096 MB
Memory Speed1125 MHzvs1000 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsDDR3
Memory Bandwidth72GB/secvs32GB/sec
Comparison

GPU Display

Shader Processing Units640vs384
Actual Shader Performance576vs384
Technology28nmvs28nm
Texture Mapping Units40vs32
Texture Rate23 GTexel/svs30.9 GTexel/s
Render Output Units16vs16
Pixel Rate9.2 GPixel/svs15.5 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.2vs4.3
Max Resolution (WxH)2560x1600vs4096x2160
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
Comparison

GPU Power Requirements

Max Power45 Wattsvs50 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1600x9001366x768
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewRadeon HD 8850M 2GB GDDR5 is a high-end GPU based on the GCN architecture.
It offers 640 Shader Processing Units, 40 TMUs and 16 ROPs. There are two versions available: One with DDR3 and another with GDDR5. This is the GDDR5 version. On this version, the central unit can be initially clocked at up to 575MHz reach up to 625MHz in Turbo Mode while the memory interface is of 128-bit of fast GDDR5. Compared to the DDR3 version, it's underclocked but it offers extra bandwidth needed at higher resolutions and in certain games. Still, overall, both versions should perform almost similar.
The GDDR5 version proves to be almost as fast as NVIDIA's GeForce GTX 660M.
GeForce GT 750M is a fast-middle-class GFX, based on the 2012, 28nm, Kepler architecture.
It's Based on the Kepler GK107 Core and therefore offers 384 Shader Processing Units, 32 TMUs and 16 ROPs, on a 128-bit memory interface of either fast GDDR5 or standard DDR3. The central unit's and operating memory clock's speed depend on the memory variant.
This is the DDR3 version and so the central unit runs at up to 967MHz and the memory clock operates at up to 1000MHz.
However, ultimately, laptop manufacturer's may change these values to their liking.
The DDR3 variant will perform considerably better than the GDDR5 version, on lower resolutions and is better suited for smaller notebooks.
Recommended CPUAMD APU A8-6410 Quad-Core
AMD Phenom II X4 P940
Intel Core i3-M370 2.4GHz
Intel Pentium Dual Core B960 2.2GHz
AMD APU A6-3410MX Quad Core
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Possible GPU Upgrades--
GPU Variants--