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Geforce GTX 770 vs Radeon R7 250X

Intro

The Geforce GTX 770 has core clock speeds of 1046 MHz on the GPU, and 1753 MHz on the 2048 MB of GDDR5 RAM. It features 1536 SPUs along with 128 TAUs and 32 ROPs.

Compare all that to the Radeon R7 250X, which makes use of a 28 nm design. AMD has set the core speed at 1000 MHz. The GDDR5 memory runs at a speed of 1125 MHz on this specific card. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

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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 770 7854 points
Radeon R7 250X 2860 points
Difference: 4994 (175%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 95 Watts
Geforce GTX 770 230 Watts
Difference: 135 Watts (142%)

Memory Bandwidth

Theoretically, the Geforce GTX 770 should perform much faster than the Radeon R7 250X in general. (explain)

Geforce GTX 770 224384 MB/sec
Radeon R7 250X 72000 MB/sec
Difference: 152384 (212%)

Texel Rate

The Geforce GTX 770 is much (about 235%) better at anisotropic filtering than the Radeon R7 250X. (explain)

Geforce GTX 770 133888 Mtexels/sec
Radeon R7 250X 40000 Mtexels/sec
Difference: 93888 (235%)

Pixel Rate

If running with a high screen resolution is important to you, then the Geforce GTX 770 is the winner, and very much so. (explain)

Geforce GTX 770 33472 Mpixels/sec
Radeon R7 250X 16000 Mpixels/sec
Difference: 17472 (109%)

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 770

Amazon.com

Check prices at:

Radeon R7 250X

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 770 Radeon R7 250X
Manufacturer nVidia AMD
Year May 2013 February 2014
Code Name GK104 Cape Verde XT
Memory 2048 MB 1024 MB
Core Speed 1046 MHz 1000 MHz
Memory Speed 7012 MHz 4500 MHz
Power (Max TDP) 230 watts 95 watts
Bandwidth 224384 MB/sec 72000 MB/sec
Texel Rate 133888 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 33472 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 1536 640
Texture Mapping Units 128 40
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 3540 million 1500 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 (measured in megabytes per second) that can be transported across the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that are processed per second. This figure is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher this number, the better the graphics 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 the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Geforce GTX 770

Amazon.com

Check prices at:

Radeon R7 250X

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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