Geforce GTX 780 vs Radeon R7 250

Intro

Compare those specifications to the Radeon R7 250, which features a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 memory running at 1150 MHz through a 128-bit bus. It also features 384 Stream Processors, 24 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

Geforce GTX 780		10082 points
Radeon R7 250		1836 points
	Difference: 8246 (449%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250		65 Watts
Geforce GTX 780		250 Watts
	Difference: 185 Watts (285%)

Memory Bandwidth

In theory, the Geforce GTX 780 should perform quite a bit faster than the Radeon R7 250 in general. (explain)

Geforce GTX 780		288384 MB/sec
Radeon R7 250		73600 MB/sec
	Difference: 214784 (292%)

Texel Rate

The Geforce GTX 780 should be a lot (more or less 590%) better at anisotropic filtering than the Radeon R7 250. (explain)

Geforce GTX 780		165696 Mtexels/sec
Radeon R7 250		24000 Mtexels/sec
	Difference: 141696 (590%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 780 is the winner, and very much so. (explain)

Geforce GTX 780		41424 Mpixels/sec
Radeon R7 250		8000 Mpixels/sec
	Difference: 33424 (418%)

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 largest amount of data (in units of megabytes per second) that can be transferred past the external memory interface in one second. It's calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends 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 reach the maximum fill rate.