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GeForce GT 310 vs Radeon R7 250X

Intro

The GeForce GT 310 has core speeds of 589 MHz on the GPU, and 1000 MHz on the 512 MB of DDR2 memory. It features 16 SPUs along with 8 Texture Address Units and 4 Rasterization Operator Units.

Compare that to the Radeon R7 250X, which comes with a clock speed of 1000 MHz and a GDDR5 memory frequency of 1125 MHz. It also features a 128-bit memory bus, and uses 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

Performance-wise, the Radeon R7 250X should in theory be quite a bit superior to 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 will be a lot (approximately 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

The Radeon R7 250X should be a lot (approximately 579%) better at FSAA than the GeForce GT 310, and also will be capable of handling higher resolutions better. (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 max amount of data (measured in MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock 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 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 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 clock speed of the chip. The better this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

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