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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7750M are significantly better than the Intel HD Graphics 4600 Mobile.

The Radeon HD 7750M has a 175 MHz higher core clock speed and 28 more Texture Mapping Units than the Graphics 4600. This results in the Radeon HD 7750M providing 16.8 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 Radeon HD 7750M has a 175 MHz higher core clock speed and 14 more Render Output Units than the Graphics 4600. This results in the Radeon HD 7750M providing 8.4 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 Graphics 4600 was released over a year more recently than the Radeon HD 7750M, and so the Graphics 4600 is likely to have better driver support, meaning it will be more optimized for running the latest games.

The Radeon HD 7750M has 1024 MB video memory, but the Graphics 4600 does not have an entry, so the two GPUs cannot be reliably compared in this area.

The HD Graphics 4600 Mobile has 80 Shader Processing Units and the Radeon HD 7750M has 512. However, the actual shader performance of the Graphics 4600 is 157 and the actual shader performance of the Radeon HD 7750M is 265. The Radeon HD 7750M having 108 better shader performance and an altogether better performance when taking into account other relevant data means that the Radeon HD 7750M delivers a significantly smoother and more efficient experience when processing graphical data than the Graphics 4600.

The Graphics 4600 transistor size technology is 6 nm (nanometers) smaller than the Radeon HD 7750M. This means that the Graphics 4600 is expected to run very slightly cooler and achieve higher clock frequencies than the Radeon HD 7750M.

The HD Graphics 4600 Mobile requires 45 Watts to run and the Radeon HD 7750M requires 36 Watts. The Graphics 4600 requires 9 Watts more than the Radeon HD 7750M to run. The difference is not significant enough for the Graphics 4600 to have a noticeably larger impact on your yearly electricity bills than the Radeon HD 7750M.

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GPU Core Details

Core Speed400 MHzvs575 MHz
ArchitectureHaswellGCN 1.0 Chelsea PRO
Notebook GPUyesyes
Release Date27 May 201323 Apr 2012
GPU LinkGD LinkGD Link

GPU Memory

Memory-vs1024 MB
Memory Speed800 MHzvs1000 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR3vsGDDR5
Memory Bandwidth25.6GB/secvs64GB/sec
L2 Cache - vs green tick 256 KB

GPU Display

Shader Processing Units80vs512
Actual Shader Performance157vs265
Texture Mapping Units4vs32
Texture Rate1.6 GTexel/svs18.4 GTexel/s
Render Output Units2vs16
Pixel Rate0.8 GPixel/svs9.2 GPixel/s

GPU Display Tech

Shader Model5.0vs5.0
Open GL4.2vs4.2
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1

GPU Power Requirements

Max Power45 Wattsvs36 Watts

GPU Supporting Hardware

Recommended RAM-6 GB
Recommended Screen Size-1440x900
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewIntel HD Graphics 4600 Mobile is the successor to Intel HD 4000 Mobile that's featured in the Haswell based Mobile CPUs.
It features 20 Execution Units (80 Shader Processing Units) and its central-unit speed will range between 400MHz and 1300MHz (Turbo Boost) and that the fastest memory supported is DDR3-1600 meaning its memory-clock will operate at 800MHz, at the most.
Benchmarks indicate its performance is up to 25% better than previous Intel HD 4000. However, only Iris Graphics offer performance good enough to play all modern demanding games, some even with extremely fluent frame rates.
Radeon HD 7750M, codenamed 'Chelsea Pro', is a fast-middle-class GPU part of the Mobility HD 7000M Series released by AMD in 2012.
It's based on the new GCN (Graphics Core Next) architecture and therefore not related to any of the previous AMD GPUs. It can be addressed as a fast Radeon HD 7730M, since the only noticeable difference is an increase of memory bandwidth, thanks to the memory clock that went from 900MHz to 1000MHz.
Very Demanding games, like Metro 2033, The Witcher II and Max Payne 3, should run smoothly at medium settings, while less demanding games, such as Crysis 2 and Skyrim V, might be playable with high settings and attractive resolutions.
Recommended CPU-Intel Core i7-740QM 4-Core 1.73GHz
Intel Core i7-3537U 2-Core 2.0GHz
Intel Core i5-3230M 2.6GHz
Intel Core i5-2540M 2.6GHz
Intel Core i7-4610Y 2-Core 1.7GHz
Possible GPU Upgrades--
GPU Variants--