AMD Radeon RX 640是基于Polaris架构的笔记本电脑移动中档图形卡。它具有640个着色器（10 CU）或512个着色器（8 CU），具有不同的时钟速度。与较旧的RX 550（X）相比，RX 640似乎仅提供一半的内存带宽（64位内存总线而不是128位）。
性能应略低于旧的RX 550，因此应该比Nvidia GeForce MX150低。因此，只有低要求的游戏才能玩。在我们的Thinkpad E15基准测试中，RX640的性能比普通GeForce MX330（+ 4％）/ MX250 / MX150差。因此，对于要求非常高的游戏，性能可能不足。例如，“ Ghost Recon Breakpoint”在最低设置下平均只能达到26 fps。
Radeon 600 Series
| ||||||||||||||||
| Codename | Polaris 12 | |||||||||||||||
| Architecture | Polaris | |||||||||||||||
| Pipelines | 640 - unified | |||||||||||||||
| Core Speed | 1218 - 1218 (Boost) MHz | |||||||||||||||
| Memory Speed | 6000 MHz | |||||||||||||||
| Memory Bus Width | 64 Bit | |||||||||||||||
| Memory Type | GDDR5 | |||||||||||||||
| Max. Amount of Memory | 4 GB | |||||||||||||||
| Shared Memory | no | |||||||||||||||
| API | DirectX 12, OpenGL Vulkan | |||||||||||||||
| Power Consumption | 50 Watt | |||||||||||||||
| technology | 14 nm | |||||||||||||||
| Features | DisplayPort 1.3 HBR / 1.4 HDR Ready, HDMI 2.0, AMD FreeSync | |||||||||||||||
| Notebook Size | large | |||||||||||||||
| Date of Announcement | 12.08.2019 | |||||||||||||||
| Link to Manufacturer Page | www.amd.com | |||||||||||||||
- Average benchmark valuesThe 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 | |
|---|---|---|---|---|---|---|
| Star Wars Jedi Fallen Order | 25.9 | |||||
| Need for Speed Heat | 31.7 | 14.3 | ||||
| GRID 2019 | 60.6 | 20.4 | ||||
| Ghost Recon Breakpoint | 29 | |||||
| FIFA 20 | 112.6 | |||||
| F1 2019 | 55 | 23 | ||||
| Total War: Three Kingdoms | 51.4 | 16.9 | ||||
| Anno 1800 | 61.8 | 20.5 | ||||
| The Division 2 | 52 | 18 | ||||
| Far Cry New Dawn | 37 | 17 | ||||
| Apex Legends | 72 | 27 | 20 | |||
| Battlefield V | 61.8 | 29.8 | 23.2 | |||
| Assassin´s Creed Odyssey | 39 | 20 | ||||
| Shadow of the Tomb Raider | 49 | 22 | ||||
| Far Cry 5 | 48 | 21 | ||||
| X-Plane 11.11 | 45.5 | 32.8 | 30.1 | |||
| Rise of the Tomb Raider | 63 | 36 | 20 | |||
| Dota 2 Reborn | 112 | 94 | 53 | 49 | ||
| The Witcher 3 | 64 | 39 | 20 | 11.3 | ||
| BioShock Infinite | 150.5 | 94.1 | 74.4 | 27.3 | ||
| low | med. | high | ultra | QHD | 4K | < 30 fps < 60 fps < 120 fps ≥ 120 fps | 1 9 8 1 | 13 3 2 | 4 2 1 | 2 1 | | |
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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