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GeForce GTX 650 vs Radeon R7 250X

Intro

The GeForce GTX 650 features a core clock frequency of 1058 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It is made up of 384 SPUs, 32 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon R7 250X, which features clock speeds of 1000 MHz on the GPU, and 1125 MHz on the 1024 MB of GDDR5 RAM. It features 640 SPUs along with 40 Texture Address Units and 16 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

Radeon R7 250X 2860 points
GeForce GTX 650 2263 points
Difference: 597 (26%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
Radeon R7 250X 95 Watts
Difference: 31 Watts (48%)

Memory Bandwidth

The GeForce GTX 650 should theoretically perform just a bit faster than the Radeon R7 250X in general. (explain)

GeForce GTX 650 80000 MB/sec
Radeon R7 250X 72000 MB/sec
Difference: 8000 (11%)

Texel Rate

The Radeon R7 250X is just a bit (more or less 18%) better at anisotropic filtering than the GeForce GTX 650. (explain)

Radeon R7 250X 40000 Mtexels/sec
GeForce GTX 650 33856 Mtexels/sec
Difference: 6144 (18%)

Pixel Rate

The GeForce GTX 650 is a little bit (more or less 6%) better at anti-aliasing than the Radeon R7 250X, and will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 650 16928 Mpixels/sec
Radeon R7 250X 16000 Mpixels/sec
Difference: 928 (6%)

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 650

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 650 Radeon R7 250X
Manufacturer nVidia AMD
Year September 2012 February 2014
Code Name GK107 Cape Verde XT
Memory 1024 MB 1024 MB
Core Speed 1058 MHz 1000 MHz
Memory Speed 5000 MHz 4500 MHz
Power (Max TDP) 64 watts 95 watts
Bandwidth 80000 MB/sec 72000 MB/sec
Texel Rate 33856 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 16928 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 384 640
Texture Mapping Units 32 40
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 28 nm
Transistors 1300 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: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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 - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 650

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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