Radeon R7 M265 vs Radeon R9 M375X

Intro

Compare all that to the Radeon R9 M375X, which makes use of a 28 nm design. AMD has clocked the core frequency at 1015 MHz. The GDDR5 RAM is set to run at a speed of 1125 MHz on this model. It features 640 SPUs along with 40 Texture Address Units and 16 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon R9 M375X should in theory be a lot superior to the Radeon R7 M265 in general. (explain)

Radeon R9 M375X		72000 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 40000 (125%)

Texel Rate

The Radeon R9 M375X is much (approximately 133%) better at texture filtering than the Radeon R7 M265. (explain)

Radeon R9 M375X		40600 Mtexels/sec
Radeon R7 M265		17400 Mtexels/sec
	Difference: 23200 (133%)

Pixel Rate

The Radeon R9 M375X should be much (about 180%) faster with regards to full screen anti-aliasing than the Radeon R7 M265, and also able to handle higher screen resolutions better. (explain)

Radeon R9 M375X		16240 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 10440 (180%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (counted in MB per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.