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GeForce GT 310 vs Radeon HD 4550 256MB

Intro

The GeForce GT 310 features core clock speeds of 589 MHz on the GPU, and 1000 MHz on the 512 MB of DDR2 memory. It features 16 SPUs as well as 8 Texture Address Units and 4 ROPs.

Compare those specs to the Radeon HD 4550 256MB, which has a core clock frequency of 600 MHz and a DDR3 memory frequency of 800 MHz. It also uses a 64-bit memory bus, and uses a 55 nm design. It features 80(16x5) SPUs, 8 TAUs, and 4 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 4550 256MB 25 Watts
GeForce GT 310 31 Watts
Difference: 6 Watts (24%)

Memory Bandwidth

The GeForce GT 310 should theoretically be much faster than the Radeon HD 4550 256MB in general. (explain)

GeForce GT 310 16000 MB/sec
Radeon HD 4550 256MB 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon HD 4550 256MB will be a small bit (more or less 2%) more effective at anisotropic filtering than the GeForce GT 310. (explain)

Radeon HD 4550 256MB 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 256MB is the winner, but only just. (explain)

Radeon HD 4550 256MB 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

Check prices at:

Radeon HD 4550 256MB

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 256MB
Manufacturer nVidia AMD
Year November 2009 Sep 30, 2008
Code Name GT218 RV710
Memory 512 MB 256 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 DDR3
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: Memory bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface within a second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better 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 applied per second. This number is worked out 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GT 310

Amazon.com

Check prices at:

Radeon HD 4550 256MB

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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