NVIDIA GeForce RTX 2080 Ti (Desktop) vs AMD Radeon R7 M340 vs AMD Radeon R7 M380

NVIDIA GeForce RTX 2080 Ti (Desktop)

AMD Radeon R7 M340

The AMD Radeon R7 M340 is a low-end dedicated graphics card for laptops. It could be based on a new derivative of the Tonga chip and therefore support DirectX 12, Vulkan and FreeSync. According to our informations the chip will be clocked at 1021 MHz and featuring 5 compute cores. That would turn out to be slower than the R5 M335 and M330 (but faster than the M320). The gaming performance should be therefore somewhere in the ballpark of the old Radeon R5 M255 (see for gaming benchmarks).

AMD Radeon R7 M380

The AMD Radeon R7 M380 is a dedicated graphics card for laptops. It is based on the a 28nm GCN core with 10 compute units and a 128 Bit DDR3 memory bus. Despite the similar name, the R9 M380 offers a better performance due to 2 more compute units and GDDR5 graphics memory. The R7 M380 is similar to the R9 M375 (which is slightly higher clocked) and therefore is position in the mid-range in 2015.

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 R7-M380 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 R7 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 M380 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.