Review Lenovo G505s-20255 Notebook
AMD A6-5350M | AMD Radeon HD 8450G + Radeon HD 8570M Dual Graphics | 15.60" | 2.5 kg
The AMD Radeon HD 8450G + HD 8570M Dual Graphics is the combination of a integrated AMD Radeon HD 8450G APU processor graphics card and a dedicated entry level AMD Radeon HD 8570M graphics card in CrossFire combination. It is called AMD Dual Graphics or asymmetric CrossFire and uses AFR (Alternate Frame Rendering) to render different frames on the two graphic cores. Therefore the combination also suffers from micro stuttering (different spaces between two images lead to stuttering altough the framerate is high enough for fluent gaming with only one GPU).
The performance of the Dual Graphics solution depends greatly on the driver support for the used games. In some games the performance may even degrade by 10-15% compared to using only the dedicated graphics card. Therefore, due to the micro stuttering and performance problems, Dual Graphics may impose more problems than bring performance gains. Overall, most games of 2013 will only run fluently in low settings.
The features like PureVideo HD (UVD3) or OpenCL support are similar to the two graphics cards.
As both graphics cards are rendering frames, the power consumption is clearly higher than using only one GPU.
Radeon HD 8500M Series
| ||||||||||||||||
Architecture | Terascale 3 / GCN | |||||||||||||||
Pipelines | 576 - unified | |||||||||||||||
Core Speed | 720 / 650 MHz | |||||||||||||||
Memory Speed | 1800 MHz | |||||||||||||||
Memory Bus Width | 64 Bit | |||||||||||||||
Shared Memory | yes | |||||||||||||||
API | DirectX 11, Shader 5.0, OpenGL 4.2 | |||||||||||||||
technology | 40 nm | |||||||||||||||
Notebook Size | medium sized | |||||||||||||||
Date of Announcement | 12.03.2012 |
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.
low | med. | high | ultra | QHD | 4K | |
---|---|---|---|---|---|---|
Company of Heroes 2 | 7.8 | |||||
GRID 2 | 24.1 | 14.7 | ||||
Metro: Last Light | 8.7 | |||||
BioShock Infinite | 28.2 | 19 | ||||
Tomb Raider | 32.8 | 18.6 | ||||
Crysis 3 | 15 | 9.9 | ||||
Dead Space 3 | 52 | 27 | 21.6 | |||
Assassin´s Creed III | 6.8 | |||||
Hitman: Absolution | 9.4 | 8.1 | ||||
Call of Duty: Black Ops 2 | 25.2 | 22.9 | 15.2 | |||
Need for Speed: Most Wanted | 19.9 | 11.7 | ||||
Medal of Honor: Warfighter | 16.6 | 13.7 | ||||
Fifa 13 | 43.4 | 32.2 | 28.9 | |||
F1 2012 | 16 | 12 | ||||
Counter-Strike: GO | 43.1 | 33.2 | 26.6 | |||
Sleeping Dogs | 24.8 | 13 | ||||
Ghost Recon: Future Soldier | 10.4 | 5.8 | ||||
Max Payne 3 | 9.4 | 9.2 | ||||
Dirt Showdown | 19.9 | 11.7 | ||||
Diablo III | 47.6 | 37.6 | 30.1 | |||
Risen 2: Dark Waters | 10.3 | 14.4 | 11.9 | |||
Mass Effect 3 | 30.8 | 21.9 | ||||
Alan Wake | 18 | 11.5 | ||||
Anno 2070 | 55.4 | 26 | 16.1 | |||
The Elder Scrolls V: Skyrim | 18.4 | 15.8 | ||||
CoD: Modern Warfare 3 | 35.8 | 23.8 | 19.3 | |||
Battlefield 3 | 11.1 | |||||
Deus Ex Human Revolution | 38.8 | 26.1 | ||||
Total War: Shogun 2 | 45.2 | 16.7 | ||||
Civilization 5 | 20.6 | |||||
Mafia 2 | 15 | 13.8 | ||||
Metro 2033 | 27.6 | 19.2 | ||||
Battlefield: Bad Company 2 | 29.5 | 25.7 | 23.2 | |||
Resident Evil 5 | 31.3 | 18.8 | ||||
Trackmania Nations Forever | 108 | 30.1 | ||||
World of Warcraft | 76 | 44.7 | ||||
low | med. | high | ultra | QHD | 4K | < 30 fps < 60 fps < 120 fps ≥ 120 fps | 22 11 2 | 24 4 | 11 2 | | | |
For more games that might be playable and a list of all games and graphics cards visit our Gaming List
Lenovo G505s-20255: AMD A6-5350M, 15.60", 2.5 kg
External Review » Lenovo G505s-20255
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