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GeForce GTX 460 1GB vs Radeon HD 6850

Intro

The GeForce GTX 460 1GB features a core clock speed of 675 MHz and a GDDR5 memory frequency of 900 MHz. It also makes use of a 256-bit bus, and uses a 40 nm design. It is made up of 336 SPUs, 56 TAUs, and 32 ROPs.

Compare all that to the Radeon HD 6850, which uses a 40 nm design. AMD has set the core speed at 775 MHz. The GDDR5 RAM runs at a speed of 1000 MHz on this specific card. It features 960 SPUs as well as 48 TAUs and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6850 127 Watts
GeForce GTX 460 1GB 160 Watts
Difference: 33 Watts (26%)

Memory Bandwidth

The Radeon HD 6850 should in theory perform a bit faster than the GeForce GTX 460 1GB in general. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 460 1GB 115200 MB/sec
Difference: 12800 (11%)

Texel Rate

The GeForce GTX 460 1GB should be a little bit (about 2%) better at texture filtering than the Radeon HD 6850. (explain)

GeForce GTX 460 1GB 37800 Mtexels/sec
Radeon HD 6850 37200 Mtexels/sec
Difference: 600 (2%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 6850 is a better choice, but it probably won't make a huge difference. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 460 1GB 21600 Mpixels/sec
Difference: 3200 (15%)

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

GeForce GTX 460 1GB

Radeon HD 6850

Specifications

Display Specifications

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Model GeForce GTX 460 1GB Radeon HD 6850
Manufacturer nVidia AMD
Year July 2010 October 2010
Code Name GF104 Barts Pro
Memory 1024 MB 1024 MB
Core Speed 675 MHz 775 MHz
Memory Speed 3600 MHz 4000 MHz
Power (Max TDP) 160 watts 127 watts
Bandwidth 115200 MB/sec 128000 MB/sec
Texel Rate 37800 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 336 960
Texture Mapping Units 56 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 maximum amount of information (in units of megabytes per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the card's interface width by its memory speed. In the case of DDR type memory, it must 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 texture map elements (texels) that can be processed in one second. This 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

GeForce GTX 460 1GB

Radeon HD 6850

Comments

5 Responses to “GeForce GTX 460 1GB vs Radeon HD 6850”
Para los que siempre preguntan que tal es la Vga... - psicofxp.com says:

[...] [...]

Mi Primer I5 o Phenom x6x says:

[...] el uso de win 64bits... y aqui te dejo la tarjeta de video que voy a usar (supuestamente ) GeForce GTX 460 1GB vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare la compare con la que te recomendo arh91........ varia en 4991 (pago cash) en pcfactory y si no [...]

Graphics Cards related queries here. - Page 467 - Digit Technology Discussion Forum says:

[...] Graphics Cards related queries here. Look at the comparisions here. GTX 460 and HD 6850: GeForce GTX 460 1GB vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare Winner -- HD 6850 GTX 550Ti and HD 6770 GeForce GTX 550 Ti vs Radeon HD 6770 – Performance [...]

bowss says:

HD 6850 CLEAR WINNER THIS CARD WILL LAST YOU 3-4 YEARS VERY GOOD PERFORMANCE TRUST ME !

Diablo 3 Release Date - Page 2 - Club3G Forum : Mitsubishi Eclipse 3G Forums says:

[...] crossfired xD) If you're dead set on one of those two cards, the 6850 is the way to go (see here:GeForce GTX 460 1GB vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare) That CPU is pretty decent, it's 5th down from the top (See here: Gaming CPU Hierarchy Chart : [...]

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