
NVIDIA GeForce GTX 850M

2014年3月发布的NVIDIA GeForce GTX 850M是一款支持DirectX 11的中高端显卡。它是最早一批基于Nvidia的新Maxwell架构(GM107核心)的显卡之一,但仍使用了28纳米制程技术制造。GTX 860M提供了频率为876MHz(最大速度)的640个着色器单元,和2GB GDDR5显存(128位显存位宽,5000MHz有效频率)。另外,还有一个核心频率略高(加速后936MHz)但使用较慢的DDR3显存(2000MHz有效频率)的版本。 架构 相对于Kepler架构,Maxwell架构提供了一些细节优化改进,提供了更高的功效。一个更小的只使用了128个ALU算数逻辑单元(Kepler为192个)的流处理器(SMM)和一个可以提高着色器使用效率的优化了的调度器。Nvidia承诺了Maxwell的128算数逻辑单元流处理器可以提供Kepler的192算数逻辑单元SMX的90%性能。GM107核心提供了5个SMM,即640个着色器核心,40个TMU,和16个ROP(128位界面)。 另外一个优化是大大增加了的二级缓存容量(GM107有2MB)。更大的缓存容量可以提供对显存数据的更好管理,从而并不因相对较窄的显存带宽而性能明显降低。 和Fermi和Kepler相似,Maxwell的GM107核心支持DirectX 11.2的11.0功能级。 性能 尽管GTX 850M的着色器数量较少,它仍有明显超出上代Kepler架构的GeForce GTX 765M的性能。虽然主频略低,但GDDR5版本通常性能高于DDR3版本的性能,甚至有时高过Kepler版本的GeForce GTX 860M。很多2013和2014年发布的游戏(如古墓丽影和生化奇兵无限)可以在全高清和最高细节设定下流畅运行。不过一些非常大型的游戏如孤岛危机3或战地4需要降低分辨率和/或细节设定运行。 特性 GM107核心集成了第六代的PureVideo HD视频引擎(VP6),提供了对H.264和MPEG-2视频的更好解码性能。当然,VP6支持所有前代的功能(4K支持,PIP,VCENC API视频编码)。遗憾的是,仍未提供对HDMI 2.0的支持。 功耗
GeForce GTX 850M的功耗低于前代的GTX 760M,约40-45W。因此,850M最适合于15寸或更大的笔记本电脑。800M系列同样支持Optimus技术,笔记本可以在CPU的集成显卡和Nvidia独立显卡间自动切换。
GeForce GTX 800M Series
| |||||||||||||||||||
| Codename | N15P-GT | ||||||||||||||||||
| Architecture | Maxwell | ||||||||||||||||||
| Pipelines | 640 - unified | ||||||||||||||||||
| Core Speed | 876 MHz | ||||||||||||||||||
| Memory Speed | 2000 - 5000 MHz | ||||||||||||||||||
| Memory Bus Width | 128 Bit | ||||||||||||||||||
| Memory Type | DDR3, GDDR5 | ||||||||||||||||||
| Max. Amount of Memory | 4 GB | ||||||||||||||||||
| Shared Memory | no | ||||||||||||||||||
| API | DirectX 12 (FL 11_0), Shader 5.0, OpenGL 4.4 | ||||||||||||||||||
| Transistor Count | 1.9 Billion | ||||||||||||||||||
| Man. Technology | 28 nm | ||||||||||||||||||
| Features | Battery Boost, GameStream, ShadowPlay, GPU Boost 2.0, Optimus, PhysX, CUDA, SLI, GeForce Experience, Adaptive VSync, Ansel | ||||||||||||||||||
| Notebook Size | medium sized | ||||||||||||||||||
| Date of Announcement | 12.03.2014 | ||||||||||||||||||
| Link to Manufacturer Page | www.geforce.com | ||||||||||||||||||
Benchmarks
3DM Vant. Perf. total +
specvp12 sw-03 +
Cinebench R15 OpenGL 64 Bit +
* Smaller numbers mean a higher performance
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.

Need for Speed 2016
2016
Hitman 2016
2016
The Division
2016
Far Cry Primal
2016
XCOM 2
2016
Rainbow Six Siege
2015
Just Cause 3
2015
Fallout 4
2015
Anno 2205
2015
FIFA 16
2015
Metal Gear Solid V
2015
Mad Max
2015
The Witcher 3
2015
Dirt Rally
2015
GTA V
2015
Battlefield Hardline
2015
Evolve
2015
The Crew
2014
Far Cry 4
2014
F1 2014
2014
The Evil Within
2014
Ryse: Son of Rome
2014
Alien: Isolation
2014
Fifa 15
2014
Sims 4
2014
Risen 3: Titan Lords
2014
GRID: Autosport
2014
Watch Dogs
2014
Titanfall
2014
Thief
2014
X-Plane 10.25
2013
Call of Duty: Ghosts
2013
Battlefield 4
2013
F1 2013
2013
Fifa 14
2013
Total War: Rome II
2013
Saints Row IV
2013
Company of Heroes 2
2013
Metro: Last Light
2013
BioShock Infinite
2013
SimCity
2013
Tomb Raider
2013
Crysis 3
2013
Dead Space 3
2013
Far Cry 3
2012
Assassin´s Creed III
2012
Hitman: Absolution
2012
Dishonored
2012
Guild Wars 2
2012
Counter-Strike: GO
2012
Sleeping Dogs
2012
Max Payne 3
2012
Dirt Showdown
2012
Diablo III
2012
Mass Effect 3
2012
Alan Wake
2012
Anno 2070
2011
Battlefield 3
2011
Batman: Arkham City
2011
Dirt 3
2011
Mafia 2
2010
Metro 2033
2010For more games that might be playable and a list of all games and graphics cards visit our Gaming List
Notebook reviews with NVIDIA GeForce GTX 850M graphics card


华硕 N551JK-CN166H 笔记本电脑简短评测

华硕 Zenbook NX500JK-DR018H 超极本简短评测

惠普 Envy 17-k104ng 笔记本电脑简短评测

惠普 Envy 15-k010ng 笔记本简短评测
Acer Aspire V3-772G-747a8G1.12TWakk: Intel Core i7-4702MQ, 17.30", 3.2 kg
Review » Acer Aspire V3-772G-747a8G1.12TWakk 笔记本电脑简短评测
Asus GL550JK-CN391H: Intel Core i7-4700HQ, 15.60", 2.3 kg
Review » 华硕 GL550JK-CN391H 笔记本电脑简短评测
Asus N750JK-T4042H: Intel Core i7-4700HQ, 17.30", 3.1 kg
Review » 华硕 N750JK-T4042H 笔记本电脑简短评测
Asus N550JK-CN109H: Intel Core i5-4200H, 15.60", 2.4 kg
Review » 华硕 N550JK-CN109H 笔记本电脑简短评测
Acer Aspire V15 Nitro VN7-571G-574H: Intel Core i5-5200U, 15.60", 2.4 kg
External Review » Acer Aspire V15 Nitro VN7-571G-574H
HP Envy 15-k203ng: Intel Core i7-5500U, 15.60", 2.3 kg
External Review » HP Envy 15-k203ng
HP Envy 17-k203ng: Intel Core i7-5500U, 17.30", 2.9 kg
External Review » HP Envy 17-k203ng
Asus NX500JK-DR017H: Intel Core i7-4712HQ, 15.60", 2.2 kg
External Review » Asus NX500JK-DR017H
MSI GE60-2PCi781W7: Intel Core i7-4710HQ, 15.60", 2.6 kg
External Review » MSI GE60-2PCi781W7
Asus N751JK-T4144H: Intel Core i7-4710HQ, 17.30", 3.4 kg
External Review » Asus N751JK-T4144H
Gigabyte G3-850-4703: Intel Core i7-4710HQ, 13.30", 1.7 kg
External Review » Gigabyte G3
Asus X550JK-XO031D: Intel Core i7-4710HQ, 15.60", 2.3 kg
External Review » Asus X550JK-XO031D
Acer Aspire VN7-571G-54QA: Intel Core i5-5200U, 15.60", 2.4 kg
External Review » Acer Aspire VN7-571G-54QA
MSI GE40-2PCi78H11W7: Intel Core i7-4712MQ, 14.00", 1.9 kg
External Review » MSI GE40-2PCi78H11W7
Acer Aspire VN7-571G-52DB: Intel Core i5-4210U, 15.60", 2.3 kg
External Review » Acer Aspire VN7-571G-52DB
Asus N551JK-CN166H: Intel Core i5-4200H, 15.60", 2.7 kg
External Review » Asus N551JK-CN166H
Gigabyte P15F v2: Intel Core i7-4710MQ, 15.60", 2.5 kg
External Review » Gigabyte P15F v2
Asus N751JK-T4226D: Intel Core i7-4710HQ, 17.30", 3.6 kg
External Review » Asus N751JK-T4226D
Asus NX500JK-DR018H: Intel Core i7-4712HQ, 15.60", 2.3 kg
External Review » Asus NX500JK-DR018H
Asus G551JK: Intel Core i7-4710HQ, 15.60", 2.7 kg
External Review » Asus G551JK
Asus Zenbook NX500: Intel Core i7-4712HQ, 15.60", 2.3 kg
External Review » Asus Zenbook NX500
HP Envy 15-k050sh: Intel Core i7-4510U, 15.60", 2.4 kg
External Review » HP Envy 15-k050sh
HP Envy 15-k051sr: Intel Core i7-4510U, 15.60", 2.8 kg
External Review » HP Envy 15-k051sr
Asus N751JK-T4147H: Intel Core i7-4710HQ, 17.30", 3.4 kg
External Review » Asus N751JK-T4147H
Asus R510JK-DM009H: Intel Core i5-4200H, 15.60", 2.4 kg
External Review » Asus R510JK-DM009H
Asus N551JK-CN112D: Intel Core i7-4710HQ, 15.60", 2.7 kg
External Review » Asus N551JK-CN112D
MSI GE70 2PC Apache-289HU: Intel Core i7-4710HQ, 15.60", 3 kg
External Review » MSI GE70 2PC Apache-289HU
Asus NX500: Intel Core i7-4702HQ, 15.60", 2.3 kg
External Review » Asus NX500
Asus K550JK: Intel Core i7-4710MQ, 15.60", 2.4 kg
External Review » Asus K550JK
Acer Aspire V3-772GTX-747A8G1.12TMAKK: Intel Core i7-4702MQ, 17.30", 3.1 kg
External Review » Acer Aspire V3-772GTX-747A8G1.12TMAKK
Asus NX500JK-DR013H: Intel Core i7-4712HQ, 15.60", 2.2 kg
External Review » Asus NX500JK-DR013H
Asus N550JK-DS71T: Intel Core i7-4700HQ, 15.60", 2.4 kg
External Review » Asus N550JK-DS71T
Asus N750JK-T4013H: Intel Core i7-4700HQ, 17.30", 3.4 kg
External Review » Asus N750JK-T4013H
Acer Aspire V5-573G-54218G1Taii: Intel Core i5-4210U, 15.60", 2 kg
External Review » Acer Aspire V5-573G-54218G1Taii
Asus G550JK-CN268D: Intel Core i7-4700HQ, 15.60", 2.3 kg
External Review » Asus G550JK-CN268D
Acer Aspire V5-573G-74518G25aii: Intel Core i5-4210U, 15.60", 2.1 kg
External Review » Acer Aspire V5-573G-74518G25aii
Asus G550JK-DS71: Intel Core i7-4700HQ, 15.60", 2.6 kg
External Review » Asus G550JK-DS71
Asus N550JK-CN113H: Intel Core i7-4700HQ, 15.60", 2.7 kg
External Review » Asus N550JK-CN113H
MSI GE60 2PC-032XPL: Intel Core i7-4700HQ, 15.60", 2.4 kg
External Review » MSI GE60 2PC-032XPL































