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GeForce GT 310 vs Radeon HD 4550 512MB

Intro

The GeForce GT 310 features a GPU core speed of 589 MHz, and the 512 MB of DDR2 RAM runs at 1000 MHz through a 64-bit bus. It also is comprised of 16 SPUs, 8 Texture Address Units, and 4 Raster Operation Units.

Compare those specs to the Radeon HD 4550 512MB, which comes with core clock speeds of 600 MHz on the GPU, and 800 MHz on the 512 MB of GDDR3 memory. It features 80(16x5) SPUs as well as 8 TAUs and 4 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 512MB 25 Watts
GeForce GT 310 31 Watts
Difference: 6 Watts (24%)

Memory Bandwidth

In theory, the GeForce GT 310 should perform quite a bit faster than the Radeon HD 4550 512MB in general. (explain)

GeForce GT 310 16000 MB/sec
Radeon HD 4550 512MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon HD 4550 512MB will be a little bit (about 2%) faster with regards to texture filtering than the GeForce GT 310. (explain)

Radeon HD 4550 512MB 4800 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 88 (2%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 4550 512MB is the winner, though only just barely. (explain)

Radeon HD 4550 512MB 2400 Mpixels/sec
GeForce GT 310 2356 Mpixels/sec
Difference: 44 (2%)

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

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Radeon HD 4550 512MB

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 HD 4550 512MB
Manufacturer nVidia AMD
Year November 2009 Sep 30, 2008
Code Name GT218 RV710
Memory 512 MB 512 MB
Core Speed 589 MHz 600 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 31 watts 25 watts
Bandwidth 16000 MB/sec 12800 MB/sec
Texel Rate 4712 Mtexels/sec 4800 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 2400 Mpixels/sec
Unified Shaders 16 80(16x5)
Texture Mapping Units 8 8
Render Output Units 4 4
Bus Type DDR2 GDDR3
Bus Width 64-bit 64-bit
Fab Process 40 nm 55 nm
Transistors 260 million 242 million
Bus PCIe 2.0 PCIe 2.0 x16
DirectX Version DirectX 10.1 DirectX 10.1
OpenGL Version OpenGL 3.1 OpenGL 3.0

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of MB per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the 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 texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total texture units of the card 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 processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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GeForce GT 310

Amazon.com

Check prices at:

Radeon HD 4550 512MB

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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