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GeForce GT 310 vs Radeon HD 5450

Intro

The GeForce GT 310 features a clock speed of 589 MHz and a DDR2 memory frequency of 1000 MHz. It also makes use of a 64-bit memory bus, and uses a 40 nm design. It is made up of 16 SPUs, 8 TAUs, and 4 Raster Operation Units.

Compare all of that to the Radeon HD 5450, which has a GPU core clock speed of 650 MHz, and 512 MB of DDR3 RAM running at 800 MHz through a 64-bit bus. It also is comprised of 80(16x5) Stream Processors, 8 Texture Address Units, and 4 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5450 19 Watts
GeForce GT 310 31 Watts
Difference: 12 Watts (63%)

Memory Bandwidth

Theoretically speaking, the GeForce GT 310 should perform a lot faster than the Radeon HD 5450 overall. (explain)

GeForce GT 310 16000 MB/sec
Radeon HD 5450 12800 MB/sec
Difference: 3200 (25%)

Texel Rate

The Radeon HD 5450 should be a little bit (approximately 10%) faster with regards to AF than the GeForce GT 310. (explain)

Radeon HD 5450 5200 Mtexels/sec
GeForce GT 310 4712 Mtexels/sec
Difference: 488 (10%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 5450 is the winner, not by a very large margin though. (explain)

Radeon HD 5450 2600 Mpixels/sec
GeForce GT 310 2356 Mpixels/sec
Difference: 244 (10%)

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 5450

Amazon.com

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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 5450
Manufacturer nVidia AMD
Year November 2009 February 4, 2010
Code Name GT218 Cedar PRO
Memory 512 MB 512 MB
Core Speed 589 MHz 650 MHz
Memory Speed 2000 MHz 1600 MHz
Power (Max TDP) 31 watts 19 watts
Bandwidth 16000 MB/sec 12800 MB/sec
Texel Rate 4712 Mtexels/sec 5200 Mtexels/sec
Pixel Rate 2356 Mpixels/sec 2600 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 40 nm
Transistors 260 million 292 million
Bus PCIe 2.0 PCIe 2.1 x16
DirectX Version DirectX 10.1 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

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GeForce GT 310

Amazon.com

Check prices at:

Radeon HD 5450

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.

Comments

One Response to “GeForce GT 310 vs Radeon HD 5450”
shane says:

Ive got both 5450 and g310 altough the 5450 is a stronger card ati software is more problematic then nvidia and for that and many other reasons i would recomend the geforce g310 and any other nvidia gpu its only a opionion witch many people seem to have so.

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