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Geforce GTX 780 vs Radeon R7 250

Intro

The Geforce GTX 780 comes with a clock frequency of 863 MHz and a GDDR5 memory speed of 1502 MHz. It also uses a 384-bit bus, and uses a 28 nm design. It features 2304 SPUs, 192 Texture Address Units, and 48 ROPs.

Compare all that to the Radeon R7 250, which comes with GPU core 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 TAUs, and 8 ROPs.

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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 be 292% quicker than the Radeon R7 250 in general, due to its greater data rate. (explain)

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

Texel Rate

The Geforce GTX 780 will be a lot (more or less 590%) faster with regards to texture 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 resolution is important to you, then the Geforce GTX 780 is a better choice, by a large margin. (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

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Geforce GTX 780

Amazon.com

Check prices at:

Radeon R7 250

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Geforce GTX 780 Radeon R7 250
Manufacturer nVidia AMD
Year May 2013 October 2013
Code Name GK110 Oland XT
Memory 3072 MB 1024 MB
Core Speed 863 MHz 1000 MHz
Memory Speed 6008 MHz 4600 MHz
Power (Max TDP) 250 watts 65 watts
Bandwidth 288384 MB/sec 73600 MB/sec
Texel Rate 165696 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 41424 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 2304 384
Texture Mapping Units 192 24
Render Output Units 48 8
Bus Type GDDR5 GDDR5
Bus Width 384-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 7080 million 1040 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 11.0 DirectX 11.2
OpenGL Version OpenGL 4.3 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the bus width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the card will be at 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 chip can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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Geforce GTX 780

Amazon.com

Check prices at:

Radeon R7 250

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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