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Gaming Performance Comparison

Recommended System Requirements
Game Intel HD Graphics 4600 Mobile GeForce GT 635M
Grand Theft Auto V 522% 345%
The Witcher III 839% 573%
Batman: Arkham Knight 1144% 791%
Assassins Creed: Syndicate 1004% 691%
Mortal Kombat X 522% 345%
Project CARS 192% 109%
Dying Light 1004% 691%
WWE 2K15 496% 327%
Battlefield: Hardline 623% 418%
Call of Duty: Black Ops 3 623% 418%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 635M are significantly better than the Intel HD Graphics 4600 Mobile.

The GeForce GT 635M has a 275 MHz higher core clock speed and 20 more Texture Mapping Units than the Graphics 4600. This results in the GeForce GT 635M providing 14.6 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 635M has a 275 MHz higher core clock speed and 14 more Render Output Units than the Graphics 4600. This results in the GeForce GT 635M providing 10 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 GeForce GT 635M, and so the Graphics 4600 is likely to have better driver support, meaning it will be more optimized for running the latest games.

The GeForce GT 635M has 2048 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 GeForce GT 635M has 144. However, the actual shader performance of the Graphics 4600 is 157 and the actual shader performance of the GeForce GT 635M is 194. The GeForce GT 635M having 37 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GT 635M delivers a slightly smoother and more efficient experience when processing graphical data than the Graphics 4600.

The Graphics 4600 transistor size technology is 18 nm (nanometers) smaller than the GeForce GT 635M. This means that the Graphics 4600 is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 635M.

The HD Graphics 4600 Mobile requires 45 Watts to run and the GeForce GT 635M requires 35 Watts. The Graphics 4600 requires 10 Watts more than the GeForce GT 635M 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 GeForce GT 635M.

Can I Run It

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GPU Core Details

Core Speed400 MHzvs675 MHz
ArchitectureHaswellFermi GF116
Notebook GPUyesyes
Release Date27 May 201306 Mar 2012
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - vs green tick
1920x1080 - vs green tick
2560x1440 - vs green tick
3840x2160 - vs green tick

GPU Memory

Memory-vs2048 MB
Memory Speed800 MHzvs900 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth25.6GB/secvs28.8GB/sec
L2 Cache - vs green tick 384 KB

GPU Display

Shader Processing Units80vs144
Actual Shader Performance157vs194
Texture Mapping Units4vs24
Texture Rate1.6 GTexel/svs16.2 GTexel/s
Render Output Units2vs16
Pixel Rate0.8 GPixel/svs10.8 GPixel/s

GPU Display Tech

Shader Model5.0vs5.0
Open GL4.2vs4.4
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1

GPU Power Requirements

Max Power45 Wattsvs35 Watts

GPU Supporting Hardware

Recommended RAM-4 GB
Recommended Screen Size-1366x768
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.
GeForce GT 635M is a fast-middle-class Mobile Graphics Card based on the second revision of the Fermi Architecture.

The Fermi Architecture is manufactured with a 40nm technology and uses a technique known as Hot Clocking: The Shaders are clocked twice as fast as the Central Unit. While this leads to a reasonable performance boost, it causes enormous amounts of energy dissipation, leading, ultimately, to a significantly higher operating temperature.
Fermi is also the first GPU architecture with fully cached memory access which increases memory performance.

It equips a GPU Codenamed GF116 which has 3 Stream Multiprocessors activated and thus offers 144 Shader Processing Units, 24 TMUs and 16 ROPs. The Central Unit is clocked at 675MHz.

The GPU accesses a 2GB frame buffer of DDR3, through a 128-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 900MHz.

DirectX 11.0 Support (11.0 Hardware Default) and support for Optimus, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 35W, it is suited for 15" or larger laptops.

GeForce GT 635M is essentially a renamed GeForce GT 555M v3.
Gaming benchmarks put its performance identical to a GeForce GT 555M v3.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 4GB of RAM for a system with GeForce GT 635M.
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--