NVIDIA GeForce 920MX vs NVIDIA GeForce GT 640M LE
NVIDIA GeForce 920MX
► remove from comparisonThe Nvidia GeForce 920MX is an entry-level graphics card for laptops that was launched in the first quarter of 2016. In comparison to the older 920M, the 920MX is now be based on the modern Maxwell chip of the 930MX but with a reduced shader count of 265 (GM108). According to our sources the TDP of 5-12 Watt and the support for DDR3 and GDDR5 is also specified.
The performance depends on the used graphics memory. The DDR3 version was slightly slower than an average GeForce 930M in our tests (and definitely faster than the GeForce 920M). The GDDR5 version could therefore best the 930M slightly. However, both versions are not suited for demanding games of 2017. Less demanding games, like The Sims 4, should be playable in medium to high settings (see below for benchmarks).
Thanks to the low power consumption, the GeForce 920MX is also suited for thin and light laptops.
NVIDIA GeForce GT 640M LE
► remove from comparisonThe NVIDIA GeForce GT 640M LE is a mid-range, DirectX 11.1 compatible graphics card that was announced in the first quarter of 2012 for thin-and-light-laptops. It is a Kepler-based GPU built on the GK107 architecture and is manufactured in 28nm at TSMC. The graphics card uses a 128-Bit wide memory interface with DDR3-VRAM. A slower core clock of only 500 MHz differs the LE-model from a normal GT 640M. Watch out: Following rumors, there will also be a Fermi-based version (96 shaders, 762 MHz, DDR3/GDDR5, similar to 550M/555M) with a probably higher power consumption than the Kepler variant.
Architecture
The Kepler architecture is the successor to the Fermi architecture that first appeared in laptops with the GeForce 500M series. The GK107 Kepler core offers two shader blocks, called SMX, each with 192 shaders for a total of 384 shader cores that are clocked at the same speed as the processor core. Although more shader cores are available in the Kepler architecture as compared to the Fermi design, the Kepler shaders are still expected to be up to twice as power efficient. However, due to the missing hot clock of the shader domain, two shaders of a Kepler chip are as fast as one shader of a Fermi chip (the latter is clocked twice as fast). PCIe 3.0 is now supported by the mobile Kepler series and an optional Turbo mode can automatically overclock the Nvidia card by a theoretical 15 percent if the laptop cooling system allows it. The implementation of this boost mode is done in the BIOS, but it is ultimately dependent upon the manufacturer of the laptop.
Performance
Due to a clock speed of just 500 MHz, the gaming performance of the GeForce GT 640M LE is about 20 percent below the 640M. This is the same level as the GT 635M or the GT 555M. The performance is exceptionally good in shader-heavy DirectX 11 games and benchmarks. However, the 128-Bit memory interface can be a bottleneck if DDR3 graphics memory is used. Demanding games of 2011 like Battlefield 3 are playable in 1366x768 and medium settings.
Features
The improved feature set now includes support for up to 4 active displays. Furthermore, high resolution monitors of up to 3840x2160 pixels can now be connected using DisplayPort 1.2 or HDMI 1.4a if available. HD-Audio codecs, such as Dolby TrueHD and DTS-HD, can be transmitted via bitstream mode through the HDMI port. However, as most laptops will feature Optimus, the integrated GPU will likely have direct control over the display ports and may limit the feature set available by the Nvidia Kepler cards.
The 5th generation PureVideo HD video processor (VP5) is also integrated in the GK107 core and offers hardware decoding of HD videos. Common codecs such as MPEG-1/2, MPEG-4 ASP, H.264 and VC1/WMV9 are fully supported up to 4K resolutions while VC1 and MPEG-4 are supported up to 1080p. Two streams can be decoded in parallel for features such as Picture-in-Picture. Another novelty is the inclusion of a dedicated video encoding engine similar to Intel QuickSync that can be accessed by the NVENC API.
The power consumption of the GeForce GT 640M LE is similar to the older GeForce GT 520M. As a result, the Nvidia GPU is suited for thin-and-light laptops.
NVIDIA GeForce 920MX | NVIDIA GeForce GT 640M LE | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
GeForce GT 600M Series |
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Codename | N16V-GMR | N13P-LP | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Architecture | Maxwell | Fermi / Kepler | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Pipelines | 256 - unified | 384 - unified | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Core Speed | 965 - 993 (Boost) MHz | 500 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Speed | 1800 MHz | 1800 - 4000 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Bus Width | 64 Bit | 128 Bit | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Memory Type | DDR3, GDDR5 | DDR3, GDDR5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Shared Memory | no | no | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
API | DirectX 12, Shader 5.0, OpenGL 4.5 | DirectX 11, Shader 5.0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
technology | 28 nm | 28 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Features | Optimus, PhysX, Verde Drivers, CUDA, 3D Vision, 3DTV Play, GameWorks | Optimus, PhysX, Verde Drivers, CUDA, 3D Vision, 3DTV Play | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Date of Announcement | 25.03.2015 | 22.03.2012 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Link to Manufacturer Page | www.geforce.com | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Max. Amount of Memory | 2048 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
Notebook Size | medium sized |
Benchmarks
3DM Vant. Perf. total + NVIDIA GeForce 920MX
Cinebench R15 OpenGL 64 Bit + NVIDIA GeForce 920MX
GFXBench T-Rex HD Offscreen C24Z16 + NVIDIA GeForce 920MX
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation
Game Benchmarks
The following benchmarks stem from our benchmarks of review laptops. The performance depends on the used graphics memory, clock rate, processor, system settings, drivers, and operating systems. So the results don't have to be representative for all laptops with this GPU. For detailed information on the benchmark results, click on the fps number.
Fortnite
2018Call of Duty WWII
2017Destiny 2
2017ELEX
2017The Evil Within 2
2017FIFA 18
2017F1 2017
2017Team Fortress 2
2017Dirt 4
2017Rocket League
2017Prey
2017For Honor
2017Resident Evil 7
2017Titanfall 2
2016Farming Simulator 17
2016Battlefield 1
2016Civilization VI
2016Overwatch
2016Need for Speed 2016
2016Hitman 2016
2016The Division
2016Far Cry Primal
2016Rainbow Six Siege
2015Just Cause 3
2015FIFA 16
2015World of Warships
2015Metal Gear Solid V
2015Dota 2 Reborn
2015The Witcher 3
2015Dirt Rally
2015GTA V
2015Battlefield Hardline
2015F1 2014
2014Alien: Isolation
2014Sims 4
2014GRID: Autosport
2014Battlefield 4
2013Metro: Last Light
2013BioShock Infinite
2013Tomb Raider
2013Crysis 3
2013Guild Wars 2
2012Max Payne 3
2012Dirt Showdown
2012Diablo III
2012Risen 2: Dark Waters
2012Mass Effect 3
2012Alan Wake
2012Anno 2070
2011Battlefield 3
2011Fifa 12
2011F1 2011
2011Dirt 3
2011StarCraft 2
2010Metro 2033
2010Average Gaming NVIDIA GeForce 920MX → 100%
Average Gaming 30-70 fps → 100%
Average Gaming NVIDIA GeForce GT 640M LE → 75%
Average Gaming 30-70 fps → 75%
NVIDIA GeForce GT 640M LE | low | med. | high | ultra | QHD | 4K |
---|---|---|---|---|---|---|
Guild Wars 2 | 51 | 26 | ||||
Max Payne 3 | 33.3 | 30.9 | 13.3 | 10.4 | ||
Dirt Showdown | 73.8 | 55.1 | 36.1 | 13.4 | ||
Diablo III | 98.6 | 65.3 | 57.7 | 42.5 | ||
Risen 2: Dark Waters | 39.1 | 25.1 | 20.3 | 10.3 | ||
Mass Effect 3 | 60 | 39.1 | 26.4 | |||
Alan Wake | 42 | 25.2 | 11.2 | |||
Anno 2070 | 73 | 35 | 22 | 13.4 | ||
The Elder Scrolls V: Skyrim | 44 | 34 | 26 | 15 | ||
Battlefield 3 | 40 | 26 | 21 | 8.9 | ||
Fifa 12 | 308.1 | 171 | 126.2 | 82.7 | ||
F1 2011 | 98 | 68 | 52 | 17 | ||
Deus Ex Human Revolution | 67 | 48 | 19 | |||
Dirt 3 | 144.4 | 70.4 | 51.1 | 16.8 | ||
StarCraft 2 | 190 | 56 | 40 | 24 | ||
Metro 2033 | 58.4 | 37.5 | 19.1 | 6.6 | ||
World of Warcraft | 78 | 53 | 26 | |||
< 30 fps < 60 fps < 120 fps ≥ 120 fps | 7 7 3 | 3 7 3 1 | 8 7 1 | 13 1 1 | | |
For more games that might be playable and a list of all games and graphics cards visit our Gaming List