Radeon HD 7950 vs Radeon R7 250

Intro

Compare all that to the Radeon R7 250, which comes with GPU clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also is made up of 384 Stream Processors, 24 TAUs, and 8 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 HD 7950		7731 points
Radeon R7 250		1836 points
	Difference: 5895 (321%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Radeon HD 7950		200 Watts
	Difference: 135 Watts (208%)

Memory Bandwidth

The Radeon HD 7950 should theoretically be a lot faster than the Radeon R7 250 in general. (explain)

Radeon HD 7950		240000 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 166400 (226%)

Texel Rate

The Radeon HD 7950 is much (approximately 273%) better at anisotropic filtering than the Radeon R7 250. (explain)

Radeon HD 7950		89600 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 65600 (273%)

Pixel Rate

The Radeon HD 7950 should be quite a bit (about 220%) better at FSAA than the Radeon R7 250, and also should be capable of handling higher resolutions while still performing well. (explain)

Radeon HD 7950		25600 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 17600 (220%)

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 information (in units of MB per second) that can be transported across the external memory interface within a second. It is calculated by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.