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Gaming Performance Comparison

Recommended System Requirements
Game HD i5 6400T GeForce GTX 660 MSI OC 2GB Edition
Cyberpunk 2077 1054% 186%
eFootball PES 2020 473% 42%
Control 1372% 264%
Call of Duty: Modern Warfare 1054% 186%
Total War: Three Kingdoms 1085% 193%
Borderlands 3 787% 120%
Grand Theft Auto VI 1183% 218%
Red Dead Redemption 2 1054% 186%
F1 2019 858% 137%
Doom Eternal 622% 79%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 660 MSI OC 2GB Edition are massively better than the Intel HD i5 6400T.

The GTX 660 has a 656 MHz higher core clock speed and 64 more Texture Mapping Units than the HD i5 6400T. This results in the GTX 660 providing 74.9 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 GTX 660 has a 656 MHz higher core clock speed and 16 more Render Output Units than the HD i5 6400T. This results in the GTX 660 providing 21.3 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 HD i5 6400T was released over a year more recently than the GTX 660, and so the HD i5 6400T is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GTX 660.

The GTX 660 has 2048 MB video memory, but the HD i5 6400T does not have an entry, so the two GPUs cannot be reliably compared in this area.

The HD i5 6400T has 24 Shader Processing Units and the GeForce GTX 660 MSI OC 2GB Edition has 960. However, the actual shader performance of the HD i5 6400T is 182 and the actual shader performance of the GTX 660 is 1029. The GTX 660 having 847 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 660 delivers a massively smoother and more efficient experience when processing graphical data than the HD i5 6400T.

The HD i5 6400T transistor size technology is 14 nm (nanometers) smaller than the GTX 660. This means that the HD i5 6400T is expected to run slightly cooler and achieve higher clock frequencies than the GTX 660.

The HD i5 6400T requires 35 Watts to run but there is no entry for the GeForce GTX 660 MSI OC 2GB Edition. We would recommend a PSU with at least 300 Watts for the HD i5 6400T.

Can I Run It

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GPU Architecture

Core Speed350 MHzvs1006 MHz
Boost Clock950 MHzvs1072 MHz
ArchitectureSkylake GT2-R0Kepler GK106-400-A1
OC Potential None vs Fair
Driver Support Great vs Good
Release Date01 Sep 2015vs01 Oct 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
6.1
green tick vs -
1600x900
4.6
vs green tick
9.1
1920x1080
3.1
vs green tick
7.2
2560x1440
2.2
vs green tick
5.2
3840x2160
1.5
vs green tick
3.5

GPU Memory

MemoryN/Avs2048 MB
Memory Speed1067 MHzvs1502 MHz
Memory Bus128 Bitvs192 Bit
Memory TypeDDR4vsGDDR5
Memory Bandwidth34.1GB/secvs144.2GB/sec
L2 Cache 1024 KB green tick vs 384 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units24vs960
Actual Shader Performance9%vs50%
Technology14nmvs28nm
Texture Mapping Units16vs80
Texture Rate5.6 GTexel/svs80.5 GTexel/s
Render Output Units8vs24
Pixel Rate2.8 GPixel/svs24.1 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs2
HDMI Connections0vs1
DisplayPort Connections0vs-
Comparison

GPU Power Requirements

Max Power35 Watts-
Recommended PSU300 Watts & 20 Amps-

GPU Features

DirectX12.1vs12.0
Shader Model5.0vs5.0
Open GL4.4vs4.5
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatednovsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-6400T 2.2GHzvsIntel Core i5-3470 3.2GHz
Recommended RAM4 GBvs8 GB
Maximum Recommended Gaming Resolution1366x768vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
Intel HD i5 6400T is the specific version of Intel HD Graphics 530 Desktop that is integrated in the Core i5-6400T Processor.

Architecture
The Skylake Core includes support for DirectX 12.1, OpenCL 2.0 and OpenGL 4.4. Additionally, it also supports DDR4 Memory.

GPU
It equips a GPU Codenamed GT2-R0 which offers 24 Shader Processing Units, 16 TMUs and 8 ROPs. The Central Unit Initially Runs at 350MHz and goes up to 950MHz, in Turbo Mode.

Memory
The GPU Shares the System's RAM which varies from laptop to laptop. Typically, the GPU reserves 1.7GB. Depending on whether or not the system's RAM is Dual-Channeled, it can access either a 64-bit or 128-bit memory interface. The operating memory clock also depends on the at which speed the System's RAM is running and is limited by the highest operating speed that the Processor supports. In this case, it is 1067MHz.
It is then obvious the Memory Bandwidth depends on a lot of factors and thus this Graphics Card performance may vary heavily from system to system.

Performance
Gaming benchmarks put its performance almost on level with a dedicated GeForce 920M.

System Suggestions
Intel HD i5 6400T is best suited for resolutions up to and including 1366x768. We recommend a Decent Processor and 4GB of RAM for Optimal Performance.
GeForce GTX 660 MSI OC 2GB Edition is a special edition of GeForce GTX 660.
The new features include the Propeller Blade Technology solution which generates 20% more airflow than traditional fan design, according to MSI.
In terms of overclocking, the base-clock was increased from 980MHz to 1006MHz and the boost clock can now reach 1072MHz, instead of 1033MHz. The memory clock was left untouched.
The overclocking is therefore somewhat significant and the performance boost is around 5% when compared to the standard GeForce GTX 660.
Recommended CPUAMD Opteron 285
AMD Athlon 5400B Dual Core
AMD Athlon 5200B Dual Core
AMD Opteron 185
AMD Athlon 4850B Dual Core
Intel Core i5-4460 3.2GHz
Intel Core i5-4570S 2.9GHz
Intel Xeon E3-1220 v2
Intel Xeon Processor X5675
Intel Core i5-7400 3.0GHz
Possible GPU UpgradesN/AN/A
GPU Variants--

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