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GeForce GT 310 vs Radeon R7 250X

Intro

The GeForce GT 310 comes with a core clock speed of 589 MHz and a DDR2 memory frequency of 1000 MHz. It also uses a 64-bit memory bus, and makes use of a 40 nm design. It features 16 SPUs, 8 TAUs, and 4 ROPs.

Compare all of that to the Radeon R7 250X, which features a clock speed of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 640 SPUs, 40 Texture Address Units, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GT 310 31 Watts
Radeon R7 250X 95 Watts
Difference: 64 Watts (206%)

Memory Bandwidth

The Radeon R7 250X should theoretically perform quite a bit faster than the GeForce GT 310 in general. (explain)

Radeon R7 250X 72000 MB/sec
GeForce GT 310 16000 MB/sec
Difference: 56000 (350%)

Texel Rate

The Radeon R7 250X will be much (more or less 749%) better at AF than the GeForce GT 310. (explain)

Radeon R7 250X 40000 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 35288 (749%)

Pixel Rate

The Radeon R7 250X will be a lot (more or less 579%) faster with regards to full screen anti-aliasing than the GeForce GT 310, and will be capable of handling higher screen resolutions while still performing well. (explain)

Radeon R7 250X 16000 Mpixels/sec
GeForce GT 310 2356 Mpixels/sec
Difference: 13644 (579%)

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 GT 310

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 GT 310 Radeon R7 250X
Manufacturer nVidia AMD
Year November 2009 February 2014
Code Name GT218 Cape Verde XT
Memory 512 MB 1024 MB
Core Speed 589 MHz 1000 MHz
Memory Speed 2000 MHz 4500 MHz
Power (Max TDP) 31 watts 95 watts
Bandwidth 16000 MB/sec 72000 MB/sec
Texel Rate 4712 Mtexels/sec 40000 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 16000 Mpixels/sec
Unified Shaders 16 640
Texture Mapping Units 8 40
Render Output Units 4 16
Bus Type DDR2 GDDR5
Bus Width 64-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 260 million 1500 million
Bus PCIe 2.0 PCIe 3.0 x16
DirectX Version DirectX 10.1 DirectX 11.2
OpenGL Version OpenGL 3.1 OpenGL 4.3

Memory Bandwidth: Bandwidth is the largest amount of information (counted in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed per second. This number is worked out by multiplying the total amount of texture units by the core clock 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 per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GT 310

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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