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GeForce GTX 460 vs Radeon R7 250X 2GB

Intro

The GeForce GTX 460 comes with a clock speed of 675 MHz and a GDDR5 memory speed of 900 MHz. It also uses a 192-bit bus, and makes use of a 40 nm design. It features 336 SPUs, 56 Texture Address Units, and 24 ROPs.

Compare that to the Radeon R7 250X 2GB, which has a GPU core clock speed of 1000 MHz, and 2048 MB of GDDR5 memory running at 1125 MHz through a 128-bit bus. It also is comprised of 640 Stream Processors, 40 TAUs, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250X 2GB 95 Watts
GeForce GTX 460 150 Watts
Difference: 55 Watts (58%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 460 should be a small bit faster than the Radeon R7 250X 2GB overall. (explain)

GeForce GTX 460 86400 MB/sec
Radeon R7 250X 2GB 72000 MB/sec
Difference: 14400 (20%)

Texel Rate

The Radeon R7 250X 2GB will be a bit (about 6%) faster with regards to AF than the GeForce GTX 460. (explain)

Radeon R7 250X 2GB 40000 Mtexels/sec
GeForce GTX 460 37800 Mtexels/sec
Difference: 2200 (6%)

Pixel Rate

The GeForce GTX 460 is a small bit (approximately 1%) more effective at AA than the Radeon R7 250X 2GB, and also will be able to handle higher resolutions without losing too much performance. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon R7 250X 2GB 16000 Mpixels/sec
Difference: 200 (1%)

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 460

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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 460 Radeon R7 250X 2GB
Manufacturer nVidia AMD
Year July 2010 February 2014
Code Name GF104 Cape Verde XT
Memory 768 MB 2048 MB
Core Speed 675 MHz 1000 MHz
Memory Speed 3600 MHz 4500 MHz
Power (Max TDP) 150 watts 95 watts
Bandwidth 86400 MB/sec 72000 MB/sec
Texel Rate 37800 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 336 640
Texture Mapping Units 56 40
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 1500 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.2
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transported over the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR type 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 better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the video card could possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called 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, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460

Amazon.com

Check prices at:

Radeon R7 250X 2GB

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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