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MagyarAMD Radeon R9 M375
The AMD Radeon R9 M375 is a dedicated higher mid-range graphics card for laptops. It is still unclear if the M375 is based on a new chip (Tonga derivative with full DirectX 12 and Vulkan support) or the old Cape Verde chip from 2012. The core is clocked at relatively high 1015 MHz, however, the bottleneck may be the use of slow DDR3 graphics memory (128-bit).
Performance
If slow DDR3 graphics memory is used, the performance should be somewhere close to a Radeon R9 M270 (see for gaming benchmarks). Therefore, demanding games are running in low to medium details.
The 640 shaders can be used with OpenCL 1.2 for general-purpose calculations (as 10 compute units).
Features
Features of the R9-M375 include video decoding for MPEG-4 AVC/H.264, VC-1, MPEG-2, and Flash directly by the AMD GPU. Multi-View Codec (MVC) and MPEG-4 part 2 (DivX, xVid) HD videos are compatible as well.
The R9 series also supports automatic graphics switching between the integrated GPU and discrete GPU. Called Enduro, the technology supersedes AMD's Dynamic Switchable Graphics and is similar to Nvidia's Optimus. Furthermore, the M375 can directly support multiple monitors using Eyefinity Technology if Enduro is disabled.
Other features include ZeroCore to reduce the power consumption when the display is turned off and Power Gating to power down areas of the chip that are not used.
The integrated HD audio processor is able to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g., for Blu-Ray videos). Additionally, it allows audio output simultaneously and in parallel to multiple devices with the new Discrete Digital Multipoint Audio (DDMA) feature.
| Manufacturer | AMD | ||||||||||||||||||||||||||||||
| Radeon R9 M300 Series |
| ||||||||||||||||||||||||||||||
| Architecture | GCN | ||||||||||||||||||||||||||||||
| Pipelines | 640 - unified | ||||||||||||||||||||||||||||||
| Core Speed | 1015 MHz | ||||||||||||||||||||||||||||||
| Memory Speed | 2200 MHz | ||||||||||||||||||||||||||||||
| Memory Bus Width | 128 Bit | ||||||||||||||||||||||||||||||
| Memory Type | DDR3 | ||||||||||||||||||||||||||||||
| Max. Amount of Memory | 4096 MB | ||||||||||||||||||||||||||||||
| Shared Memory | no | ||||||||||||||||||||||||||||||
| DirectX | DirectX 12 (FL 11_1) | ||||||||||||||||||||||||||||||
| technology | 28 nm | ||||||||||||||||||||||||||||||
| Features | DirectX 12 (FL 11_1), Mantle, OpenGL 4.3, OpenCL 1.2, Vulkan?, PowerTune, Enduro, App Acceleration | ||||||||||||||||||||||||||||||
| Notebook Size | medium sized | ||||||||||||||||||||||||||||||
| Date of Announcement | 07.05.2015 | ||||||||||||||||||||||||||||||
| Link to Manufacturer Page | http://www.amd.com/en-us/products/graphi... |
Benchmarks
