Radeon HD 6870 vs Radeon R7 240

Intro

Compare all that to the Radeon R7 240, which features a core clock frequency of 730 MHz and a DDR3 memory speed of 900 MHz. It also makes use of a 128-bit bus, and uses a 28 nm design. It is made up of 320 SPUs, 20 Texture Address Units, and 8 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 HD 6870		2870 points
Radeon R7 240		1218 points
	Difference: 1652 (136%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
Radeon HD 6870		151 Watts
	Difference: 121 Watts (403%)

Memory Bandwidth

Theoretically, the Radeon HD 6870 should be much faster than the Radeon R7 240 overall. (explain)

Radeon HD 6870		134400 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 105600 (367%)

Texel Rate

The Radeon HD 6870 is a lot (about 245%) faster with regards to anisotropic filtering than the Radeon R7 240. (explain)

Radeon HD 6870		50400 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 35800 (245%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 6870 is a better choice, by a large margin. (explain)

Radeon HD 6870		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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied per second. This figure is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 that the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.