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GeForce GTX 460 (OEM) vs Radeon HD 5550

Intro

The GeForce GTX 460 (OEM) has core speeds of 650 MHz on the GPU, and 850 MHz on the 1024 MB of GDDR5 memory. It features 336 SPUs along with 56 TAUs and 32 Rasterization Operator Units.

Compare that 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 along with 16 TAUs and 8 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically, the GeForce GTX 460 (OEM) should be a lot faster than the Radeon HD 5550 overall. (explain)

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

Texel Rate

The GeForce GTX 460 (OEM) is much (more or less 314%) better at anisotropic filtering than the Radeon HD 5550. (explain)

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

Pixel Rate

The GeForce GTX 460 (OEM) should be much (more or less 373%) more effective at AA than the Radeon HD 5550, and capable of handling higher resolutions without losing too much performance. (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: Bandwidth is the max amount of information (measured in MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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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.

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