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Gaming Performance Comparison

Recommended System Requirements
Game Intel HD Graphics 4000 Mobile GeForce GT 620M
Grand Theft Auto V 693% 513%
Dragon Ball Xenoverse 268% 184%
Far Cry 4 1049% 788%
Assassins Creed: Unity 1308% 988%
Dying Light 1308% 988%
Call of Duty: Advanced Warfare 822% 613%
Battlefield: Hardline 871% 650%
The Witcher III 1097% 825%
Batman: Arkham Knight 466% 338%
Resident Evil: Revelations 2 466% 338%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 620M are noticeably better than the Intel HD Graphics 4000 Mobile.

The GeForce GT 620M was released less than a year after the Graphics 4000, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GeForce GT 620M has 1024 MB video memory, but the Graphics 4000 does not have an entry, so the two GPUs cannot be reliably compared in this area.

The HD Graphics 4000 Mobile has 16 Shader Processing Units and the GeForce GT 620M has 96. However, the actual shader performance of the Graphics 4000 is 51 and the actual shader performance of the GeForce GT 620M is 120. The GeForce GT 620M having 69 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GT 620M delivers a marginally smoother and more efficient experience when processing graphical data than the Graphics 4000.

The GeForce GT 620M requires 15 Watts to run but there is no entry for the Graphics 4000.

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GPU Core Details

Core Speed650 MHzvs625 MHz
ArchitectureIvy BridgeFermi GF117
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatednovsyes
Release Date08 Mar 201222 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - vs green tick
5
1920x1080 - vs green tick
2.7
2560x1440 - vs green tick
2.2
3840x2160 - vs green tick
1.6

GPU Memory

Memory-vs1024 MB
Memory Speed800 MHzvs900 MHz
Memory Bus128 Bitvs64 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth25.6GB/secvs14.4GB/sec
L2 Cache - vs green tick 128 KB
Comparison

GPU Display

Shader Processing Units16vs96
Actual Shader Performance51vs120
Technology-vs28nm
Texture Mapping Units-vs16
Texture Rate-vs10 GTexel/s
Render Output Units-vs8
Pixel Rate-vs5 GPixel/s
Comparison

GPU Display Tech

DirectX11vs11
Shader Model5.0vs5.0
Open GL4.0vs4.1
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections0vs1
HDMI Connections0vs0
Comparison

GPU Power Requirements

Max Power-15 Watts

GPU Supporting Hardware

Recommended RAM-4 GB
Recommended Screen Size-1366x768
Recommended PSU--

Gaming Performance Value

The Elder Scrolls Vvs
Performance Value

GPU Mini Review

Mini ReviewIntel HD Graphics 4000 Mobile are the successors of Intel HD Graphics 3000 Mobile.
They come embedded on the new Intel Ivy Bridge CPUS and the new features include DirectX 11 support, Shader Version of 5.0 and openGL Version of up to 4.0.
Benchmarks show that some modern games like Mass Effect 3 and Fifa 12 run smoothly at high settings while modern+demanding games like Anno 2070 and COD: MW3 can still be played at medium settings fluently. However, Very Demanding games like Metro 2033 and Risen 2 require very reduced settings and might not appeal to most casual gamers.
Ultimately, the performance depends on whether or not the system's memory is dual-channel, at which speed it runs and also on the CPU it's embedded since the max core-clock varies from CPU to CPU. Note 1: We will be adding each individual Intel HD 4000 that comes with each CPU in the future. The performance depends a lot on the CPU its embedded as the clock frequencies and other factors variate according to the CPU itself.
Overview
GeForce GT 620M is a entry-level Mobile Graphics Card based on the second revision of the Fermi Architecture.

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.

GPU
It equips a GPU Codenamed GF117 which has 2 Stream Multiprocessors activated and thus offers 96 Shader Processing Units, 16 TMUs and 8 ROPs. The Central Unit is clocked at 625MHz. Additionally, GF117 is built using a 28nm technology.

Memory
The GPU accesses a 1GB frame buffer of DDR3, through a 64-bit memory interface. The size of the frame buffer is exaggerated and no way benefits the GPU. The Memory Clock Operates at 900MHz.

Features
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 15W, it is suited for small laptops.

Performance
Of all the GeForce GT 620M variants, this one is the slowest but also the one that consumes less energy and heats less, as it is built using a 28nm technology.
Gaming benchmarks indicate its performance is slightly below the older GeForce GT 525M.

System Suggestions
We recommend a modest processor (Intel Core i3 Mobile) and 4GB of RAM for a system with GeForce GT 620M.
Recommended CPU-AMD APU A10-4600M Quad-Core
Intel Core i3-3120ME 2.4GHz
Intel Core i3-3110M 2.4GHz
APU A10-7300 Quad-Core
APU A8-7150B Quad-Core
Possible GPU Upgrades--
GPU Variants--