Radeon HD 7950 vs Radeon R7 240

Intro

Compare those specifications to the Radeon R7 240, which has a clock speed of 730 MHz and a DDR3 memory speed of 900 MHz. It also features a 128-bit memory bus, and uses a 28 nm design. It features 320 SPUs, 20 Texture Address Units, and 8 ROPs.

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 HD 7950		7731 points
Radeon R7 240		1218 points
	Difference: 6513 (535%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 240		30 Watts
Radeon HD 7950		200 Watts
	Difference: 170 Watts (567%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7950 should be 733% faster than the Radeon R7 240 in general, because of its greater data rate. (explain)

Radeon HD 7950		240000 MB/sec
Radeon R7 240		28800 MB/sec
	Difference: 211200 (733%)

Texel Rate

The Radeon HD 7950 is much (about 514%) better at anisotropic filtering than the Radeon R7 240. (explain)

Radeon HD 7950		89600 Mtexels/sec
Radeon R7 240		14600 Mtexels/sec
	Difference: 75000 (514%)

Pixel Rate

The Radeon HD 7950 is quite a bit (more or less 338%) better at full screen anti-aliasing than the Radeon R7 240, and also will be capable of handling higher screen resolutions better. (explain)

Radeon HD 7950		25600 Mpixels/sec
Radeon R7 240		5840 Mpixels/sec
	Difference: 19760 (338%)

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 max amount of data (counted in megabytes per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.