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MagyarAMD Radeon R9 M370X vs AMD Radeon R9 M375 vs AMD Radeon R9 M395X
AMD Radeon R9 M370X
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The AMD Radeon R9 M370X is a mid-range graphics card for laptops that was announced mid 2015. It is used in the high-end 15-inch Retina MacBook Pro with 2 GB GDDR5 graphics memory. It is based on the GCN (Graphics Core Next) architecture and manufactured in 28nm at TSMC. According to current information, the card is based on the old Cape Verde chip with 640 shaders and an 128 Bit memory interface (GCN 1.0).
Apple states that the card is "up to 80% faster" than the previously used NVIDIA GeForce GT 750M. In our benchmarks, the card is only about 30% faster in average 3D gaming and 25 - 30 percent slower than a NVIDIA GeForce GTX 950M or Radeon R9 M280X. Demanding games (as of 2015) will be usually handled fluently in 1366 x 768 pixels and high settings.
AMD Radeon R9 M375
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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.
AMD Radeon R9 M395X
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The AMD Radeon R9 M395X is a mobile high-end graphics card based on the Tonga chip (3rd generation of GCN). It uses all of the 2048 shader cores (32 compute units) as the previous generation R9 M295X but features a slightly higher core clock (+60 MHz). Therefore, the performance should be on a level with the R9 M295X (see for benchmarks).
| AMD Radeon R9 M370X | AMD Radeon R9 M375 | AMD Radeon R9 M395X | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Manufacturer | AMD | AMD | AMD | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Radeon R9 M300 Series |
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| Codename | Cape Verde | Amethyst XT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Architecture | GCN 1.0 | GCN | GCN 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Pipelines | 640 - unified | 640 - unified | 2048 - unified | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Core Speed | 800 MHz | 1015 MHz | 909 (Boost) MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Memory Speed | 4500 MHz | 2200 MHz | 5460 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Memory Bus Width | 128 Bit | 128 Bit | 256 Bit | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Memory Type | GDDR5 | DDR3 | GDDR5 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Max. Amount of Memory | 2048 MB | 4096 MB | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Shared Memory | no | no | no | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| DirectX | DirectX 12 (FL 11_1), Shader 5.0 | DirectX 12 (FL 11_1) | DirectX 12 (FL 12_0), Shader 5.0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Transistors | 1500 Million | 5000 Million | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| technology | 28 nm | 28 nm | 28 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Features | DirectCompute 5.0, OpenCL | DirectX 12 (FL 11_1), Mantle, OpenGL 4.3, OpenCL 1.2, Vulkan?, PowerTune, Enduro, App Acceleration | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Notebook Size | medium sized | medium sized | large | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Date of Announcement | 19.05.2015 | 07.05.2015 | 16.10.2014 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Link to Manufacturer Page | http://www.amd.com/en-us/products/graphi... | http://www.amd.com/en-us/products/graphi... |
- Average benchmark values for this graphics card
