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GeForce GTX 460 vs Radeon R7 250

Intro

The GeForce GTX 460 features core clock speeds of 675 MHz on the GPU, and 900 MHz on the 768 MB of GDDR5 memory. It features 336 SPUs as well as 56 TAUs and 24 Rasterization Operator Units.

Compare all that to the Radeon R7 250, which features a GPU core clock speed of 1000 MHz, and 1024 MB of GDDR5 memory set to run at 1150 MHz through a 128-bit bus. It also is comprised of 384 SPUs, 24 TAUs, and 8 Raster Operation 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 460 2557 points
Radeon R7 250 1836 points
Difference: 721 (39%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon R7 250 65 Watts
GeForce GTX 460 150 Watts
Difference: 85 Watts (131%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 460 should theoretically be a small bit superior to the Radeon R7 250 overall. (explain)

GeForce GTX 460 86400 MB/sec
Radeon R7 250 73600 MB/sec
Difference: 12800 (17%)

Texel Rate

The GeForce GTX 460 is a lot (about 58%) faster with regards to texture filtering than the Radeon R7 250. (explain)

GeForce GTX 460 37800 Mtexels/sec
Radeon R7 250 24000 Mtexels/sec
Difference: 13800 (58%)

Pixel Rate

The GeForce GTX 460 should be much (more or less 103%) more effective at full screen anti-aliasing than the Radeon R7 250, and able to handle higher resolutions without slowing down too much. (explain)

GeForce GTX 460 16200 Mpixels/sec
Radeon R7 250 8000 Mpixels/sec
Difference: 8200 (103%)

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 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 460 Radeon R7 250
Manufacturer nVidia AMD
Year July 2010 October 2013
Code Name GF104 Oland XT
Memory 768 MB 1024 MB
Core Speed 675 MHz 1000 MHz
Memory Speed 3600 MHz 4600 MHz
Power (Max TDP) 150 watts 65 watts
Bandwidth 86400 MB/sec 73600 MB/sec
Texel Rate 37800 Mtexels/sec 24000 Mtexels/sec
Pixel Rate 16200 Mpixels/sec 8000 Mpixels/sec
Unified Shaders 336 384
Texture Mapping Units 56 24
Render Output Units 24 8
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1950 million 1040 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 max amount of information (counted in megabytes per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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GeForce GTX 460

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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