Radeon R7 240 vs Radeon R9 270

Intro

Compare all of that to the Radeon R9 270, which comes with a clock speed of 900 MHz and a GDDR5 memory speed of 1400 MHz. It also uses a 256-bit bus, and uses a 28 nm design. It features 1280 SPUs, 80 Texture Address Units, and 32 ROPs.

Display Graphs

Hide Graphs

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 270		5943 points
Radeon R7 240		1218 points
	Difference: 4725 (388%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
Radeon R9 270		150 Watts
	Difference: 120 Watts (400%)

Memory Bandwidth

Theoretically speaking, the Radeon R9 270 should be 522% faster than the Radeon R7 240 in general, due to its greater bandwidth. (explain)

Radeon R9 270		179200 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 150400 (522%)

Texel Rate

The Radeon R9 270 should be much (approximately 393%) more effective at texture filtering than the Radeon R7 240. (explain)

Radeon R9 270		72000 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 57400 (393%)

Pixel Rate

The Radeon R9 270 should be much (about 393%) faster with regards to FSAA than the Radeon R7 240, and also will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R9 270		28800 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 22960 (393%)

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 largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the interface width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.