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GeForce GTX 460 1GB vs Radeon HD 5850

Intro

The GeForce GTX 460 1GB comes with core speeds of 675 MHz on the GPU, and 900 MHz on the 1024 MB of GDDR5 RAM. It features 336 SPUs along with 56 Texture Address Units and 32 Rasterization Operator Units.

Compare that to the Radeon HD 5850, which uses a 40 nm design. AMD has set the core speed at 725 MHz. The GDDR5 memory is set to run at a frequency of 1000 MHz on this card. It features 1440(288x5) SPUs as well as 72 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5850 151 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 9 Watts (6%)

Memory Bandwidth

The Radeon HD 5850 should theoretically perform a little bit faster than the GeForce GTX 460 1GB overall. (explain)

Radeon HD 5850 128000 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 12800 (11%)

Texel Rate

The Radeon HD 5850 will be a lot (about 38%) faster with regards to anisotropic filtering than the GeForce GTX 460 1GB. (explain)

Radeon HD 5850 52200 Mtexels/sec
GeForce GTX 460 1GB 37800 Mtexels/sec
Difference: 14400 (38%)

Pixel Rate

The Radeon HD 5850 will be a bit (approximately 7%) more effective at anti-aliasing than the GeForce GTX 460 1GB, and able to handle higher screen resolutions while still performing well. (explain)

Radeon HD 5850 23200 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 1600 (7%)

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 1GB

Amazon.com

Check prices at:

Radeon HD 5850

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 1GB Radeon HD 5850
Manufacturer nVidia AMD
Year July 2010 September 30, 2009
Code Name GF104 Cypress PRO
Memory 1024 MB 1024 MB
Core Speed 675 MHz 725 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 160 watts 151 watts
Bandwidth 115200 MB/sec 128000 MB/sec
Texel Rate 37800 Mtexels/sec 52200 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 23200 Mpixels/sec
Unified Shaders 336 1440(288x5)
Texture Mapping Units 56 72
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 2154 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 max amount of data (in units of megabytes per second) that can be transferred across the external memory interface in one second. It's calculated by multiplying the bus width by its memory clock speed. In the case of DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total texture units 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to 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 memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 460 1GB

Amazon.com

Check prices at:

Radeon HD 5850

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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