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GeForce GT 310 vs Radeon R7 250X

Intro

The GeForce GT 310 features a GPU core speed of 589 MHz, and the 512 MB of DDR2 RAM is set to run at 1000 MHz through a 64-bit bus. It also is made up of 16 Stream Processors, 8 Texture Address Units, and 4 ROPs.

Compare those specs to the Radeon R7 250X, which makes use of a 28 nm design. AMD has clocked the core frequency at 1000 MHz. The GDDR5 RAM is set to run at a frequency of 1125 MHz on this model. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

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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 a lot faster than the GeForce GT 310 overall. (explain)

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

Texel Rate

The Radeon R7 250X is much (about 749%) better at texture filtering than the GeForce GT 310. (explain)

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

Pixel Rate

If using a high screen resolution is important to you, then the Radeon R7 250X is superior to the GeForce GT 310, by a large margin. (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: Memory bandwidth is the max amount of information (in units of megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to its local memory in a 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 - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max 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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