Radeon R7 M265 vs Radeon R9 270X

Intro

Compare those specs to the Radeon R9 270X, which comes with a core clock frequency of 1000 MHz and a GDDR5 memory speed of 1400 MHz. It also makes use of a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1280 SPUs, 80 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon R9 270X		6590 points
Radeon R7 M265		3256 points
	Difference: 3334 (102%)

Ethereum Mining Hash Rate

Radeon R9 270X		18 Mh/s
Radeon R7 M265		14 Mh/s
	Difference: 4 (29%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon R9 270X will be 460% faster than the Radeon R7 M265 overall, because of its greater data rate. (explain)

Radeon R9 270X		179200 MB/sec
Radeon R7 M265		32000 MB/sec
	Difference: 147200 (460%)

Texel Rate

The Radeon R9 270X will be quite a bit (about 360%) better at anisotropic filtering than the Radeon R7 M265. (explain)

Radeon R9 270X		80000 Mtexels/sec
Radeon R7 M265		17400 Mtexels/sec
	Difference: 62600 (360%)

Pixel Rate

If using a high resolution is important to you, then the Radeon R9 270X is a better choice, by a large margin. (explain)

Radeon R9 270X		32000 Mpixels/sec
Radeon R7 M265		5800 Mpixels/sec
	Difference: 26200 (452%)

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 (in units of MB per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type RAM, it 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 AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.