Radeon R7 250 vs Radeon R9 M365X

Intro

Compare those specs to the Radeon R9 M365X, which makes use of a 28 nm design. AMD has clocked the core speed at 925 MHz. The GDDR5 RAM is set to run at a frequency of 1125 MHz on this specific card. 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

Theoretically speaking, the Radeon R7 250 will be 2% quicker than the Radeon R9 M365X in general, due to its higher bandwidth. (explain)

Radeon R7 250		73600 MB/sec
Radeon R9 M365X		72000 MB/sec
	Difference: 1600 (2%)

Texel Rate

The Radeon R9 M365X will be much (approximately 54%) faster with regards to texture filtering than the Radeon R7 250. (explain)

Radeon R9 M365X		37000 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 13000 (54%)

Pixel Rate

The Radeon R9 M365X should be a lot (about 85%) better at full screen anti-aliasing than the Radeon R7 250, and also capable of handling higher resolutions without losing too much performance. (explain)

Radeon R9 M365X		14800 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 6800 (85%)

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: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write 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 - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.