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GeForce GTX 460 (OEM) vs Radeon HD 5550

Intro

The GeForce GTX 460 (OEM) features a core clock speed of 650 MHz and a GDDR5 memory speed of 850 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon HD 5550, which features core clock speeds of 550 MHz on the GPU, and 400 MHz on the 512 MB of DDR2 memory. It features 320(64x5) SPUs as well as 16 Texture Address Units and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

The GeForce GTX 460 (OEM), in theory, should perform much faster than the Radeon HD 5550 in general. (explain)

GeForce GTX 460 (OEM) 108800 MB/sec
Radeon HD 5550 12800 MB/sec
Difference: 96000 (750%)

Texel Rate

The GeForce GTX 460 (OEM) should be a lot (about 314%) faster with regards to AF than the Radeon HD 5550. (explain)

GeForce GTX 460 (OEM) 36400 Mtexels/sec
Radeon HD 5550 8800 Mtexels/sec
Difference: 27600 (314%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 460 (OEM) is the winner, and very much so. (explain)

GeForce GTX 460 (OEM) 20800 Mpixels/sec
Radeon HD 5550 4400 Mpixels/sec
Difference: 16400 (373%)

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 GTX 460 (OEM)

Amazon.com

Check prices at:

Radeon HD 5550

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 GTX 460 (OEM) Radeon HD 5550
Manufacturer nVidia AMD
Year October 2010 February 9, 2010
Code Name GF104 Redwood LE
Memory 1024 MB 512 MB
Core Speed 650 MHz 550 MHz
Memory Speed 3400 MHz 800 MHz
Power (Max TDP) 150 watts (Unknown) watts
Bandwidth 108800 MB/sec 12800 MB/sec
Texel Rate 36400 Mtexels/sec 8800 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 4400 Mpixels/sec
Unified Shaders 336 320(64x5)
Texture Mapping Units 56 16
Render Output Units 32 8
Bus Type GDDR5 DDR2
Bus Width 256-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 627 million
Bus PCIe x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred past the external memory interface in a second. It's worked out by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called 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 - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 (OEM)

Amazon.com

Check prices at:

Radeon HD 5550

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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