联想 ThinkPad E555 笔记本电脑简短评测
AMD A8-7100 | AMD Radeon R5 (Kaveri) | 15.60" | 2.4 kg
AMD Radeon R5(Kaveri)是一款支持DirectX 11.2的集成显卡,很多AMD Kaveri APU都采用了这款显卡。根据APU型号的不同,它提供256个GCN架构着色器和4个运算核心(在A8 Pro-7150B中是384个着色器和6个运算核心),例如A8-7200P处理器版本。它的最大核心频率和内存频率取决于处理器的版本:在超低电压版处理器中仅支持DDR3-1600,而在普通电压版处理器中则支持最高DDR3-1866。 架构和功能 得力于新的GCN 1.1架构,Kaveri显卡相对于基于VLIW架构的前作Richland和Trinity有了更高的能效和更高的性能表现。这款显卡现在可以支持DirectX 11.2 T2与AMD Mantle API标准。它同样支持对很多应用程序例如Adobe Photoshop通过OpenCL提供硬件加速。 重新设计的Kaveri视频引擎包括了UVD(Unified Video Decoder)4.2和VCE(Video Codec Engine)2.0。对H.264编码的支持也在不同方面得到了改进。不过它对H.265编码并没有完全提供硬件支持。 性能 Radeon R5的不同处理器版本由于在核心频率、和内存支持上的巨大差异而有很大的性能差异。在A8 Pro-7150B中,它最快的版本可以与GeForce GT 720M性能相当,而较慢的版本(在A8-7100中)仅与GeForce 710M性能相当。因此,2014年的游戏可以在低设定和1024x768或1366x768分辨率下流畅运行。 功耗 Kaveri APU处理器的整体功耗为低电压版的17W或普通电压版的35W。因此这款28纳米芯片适合于中小尺寸的笔记本电脑。
Radeon R (Kaveri) Series
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Codename | Kaveri | ||||||||||||||||||
Architecture | GCN 1.1 | ||||||||||||||||||
Pipelines | 256 - unified | ||||||||||||||||||
Core Speed | 514 - 626 (Boost) MHz | ||||||||||||||||||
Memory Bus Width | 64/128 Bit | ||||||||||||||||||
Shared Memory | yes | ||||||||||||||||||
API | DirectX 12 (FL 12_0), Shader 5.0 | ||||||||||||||||||
Transistor Count | 2.4 Billion | ||||||||||||||||||
technology | 28 nm | ||||||||||||||||||
Features | UVD 4.2, VCE 2.0 | ||||||||||||||||||
Notebook Size | medium sized | ||||||||||||||||||
Date of Announcement | 04.06.2014 |
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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 | |
---|---|---|---|---|---|---|
F1 2014 | 34 | 25 | ||||
The Evil Within | 9.4 | 7.6 | ||||
Ryse: Son of Rome | 11 | 7.2 | ||||
Alien: Isolation | 21.3 | 14.2 | ||||
Fifa 15 | 21.3 | 17.6 | ||||
Risen 3: Titan Lords | 21.8 | 12.8 | ||||
GRID: Autosport | 60.1 | 24.4 | ||||
Wolfenstein: The New Order | 17.4 | 13.9 | ||||
Thief | 9.9 | 6.8 | 5.7 | |||
X-Plane 10.25 | 23.6 | 13.2 | 5.9 | |||
Battlefield 4 | 16.5 | 12 | 9.2 | |||
Batman: Arkham Origins | 28 | 16 | 10 | |||
Total War: Rome II | 27 | 20.3 | 17.1 | |||
Saints Row IV | 18.5 | 14.5 | 7.9 | |||
The Bureau: XCOM Declassified | 19.6 | 11.2 | 8.6 | |||
GRID 2 | 47.6 | 26.2 | 19.3 | |||
Metro: Last Light | 14.9 | 11.2 | 6.9 | |||
BioShock Infinite | 31 | 16.8 | 13.9 | |||
StarCraft II: Heart of the Swarm | 75.3 | 28.3 | 17.6 | |||
Tomb Raider | 35.9 | 18.4 | 12.9 | |||
Dead Space 3 | 45 | 21.4 | 17.5 | |||
Dishonored | 27.7 | 21.4 | 19.7 | |||
Diablo III | 41.8 | 27.3 | 21.8 | |||
Alan Wake | 14.7 | 8.5 | ||||
Anno 2070 | 47 | 23.1 | 14.6 | |||
The Elder Scrolls V: Skyrim | 27.4 | 18.5 | 12.9 | |||
Deus Ex Human Revolution | 42.9 | 22.3 | ||||
Dirt 3 | 61.5 | 33.2 | 24.3 | |||
< 30 fps < 60 fps < 120 fps ≥ 120 fps | 17 8 3 | 25 1 | 20 | | | |
For more games that might be playable and a list of all games and graphics cards visit our Gaming List
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» Comparison of GPUs
Detailed list of all laptop GPUs sorted by class and performance.
» Benchmark List
Sort and restrict laptop GPUs based on performance in synthetic benchmarks.
» Notebook Gaming List
Playable games for each graphics card and their average FPS results.
* Approximate position of the graphics adapter
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