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GeForce GTX 460 SE vs Radeon HD 6850

Intro

The GeForce GTX 460 SE features a clock frequency of 650 MHz and a GDDR5 memory frequency of 850 MHz. It also features a 256-bit bus, and makes use of a 40 nm design. It is made up of 288 SPUs, 48 TAUs, and 32 Raster Operation Units.

Compare those specifications to the Radeon HD 6850, which features core speeds of 775 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 960 SPUs as well as 48 Texture Address Units and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
GeForce GTX 460 SE 150 Watts
Difference: 23 Watts (18%)

Memory Bandwidth

The Radeon HD 6850 should theoretically perform just a bit faster than the GeForce GTX 460 SE in general. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 460 SE 108800 MB/sec
Difference: 19200 (18%)

Texel Rate

The Radeon HD 6850 will be a little bit (approximately 19%) better at AF than the GeForce GTX 460 SE. (explain)

Radeon HD 6850 37200 Mtexels/sec
GeForce GTX 460 SE 31200 Mtexels/sec
Difference: 6000 (19%)

Pixel Rate

If using a high resolution is important to you, then the Radeon HD 6850 is superior to the GeForce GTX 460 SE, but it probably won't make a huge difference. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 460 SE 20800 Mpixels/sec
Difference: 4000 (19%)

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 SE

Amazon.com

Check prices at:

Radeon HD 6850

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 SE Radeon HD 6850
Manufacturer nVidia AMD
Year November 2010 October 2010
Code Name GF104 Barts Pro
Memory 1024 MB 1024 MB
Core Speed 650 MHz 775 MHz
Memory Speed 3400 MHz 4000 MHz
Power (Max TDP) 150 watts 127 watts
Bandwidth 108800 MB/sec 128000 MB/sec
Texel Rate 31200 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 20800 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 288 960
Texture Mapping Units 48 48
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1950 million 1700 million
Bus PCIe x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the largest amount of data (measured in megabytes per second) that can be transported across the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher 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 number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTX 460 SE

Amazon.com

Check prices at:

Radeon HD 6850

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 GTX 460 SE vs Radeon HD 6850”
Achizitie placa video Placa video Gigabyte Radeon HD6850 - My Garage says:

[...] Pai practic...asta e varianta OC...si cooling mai sanatos din cate am inteles. Placa video Gigabyte Radeon HD6850 OC 1GB DDR5 256-bit. Si aici o scurta comparatie...http://www.hwcompare.com/7863/geforc...adeon-hd-6850/ [...]

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