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GeForce GTX 550 Ti vs Radeon HD 6850


Intro

The GeForce GTX 550 Ti features core speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 memory. It features 192 SPUs along with 32 TAUs and 24 ROPs.

Compare that to the Radeon HD 6850, which makes use of a 40 nm design. AMD has clocked the core frequency at 775 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this card. It features 960 SPUs along with 48 Texture Address Units and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon HD 6850 2395 points
GeForce GTX 550 Ti 1910 points
Difference: 485 (25%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
Radeon HD 6850 127 Watts
Difference: 11 Watts (9%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 6850 should perform a lot faster than the GeForce GTX 550 Ti overall. (explain)

Radeon HD 6850 128000 MB/sec
GeForce GTX 550 Ti 98496 MB/sec
Difference: 29504 (30%)

Texel Rate

The Radeon HD 6850 will be much (approximately 29%) more effective at texture filtering than the GeForce GTX 550 Ti. (explain)

Radeon HD 6850 37200 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 8400 (29%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 6850 is a better choice, though not by far. (explain)

Radeon HD 6850 24800 Mpixels/sec
GeForce GTX 550 Ti 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 550 Ti

Radeon HD 6850

Specifications

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Model GeForce GTX 550 Ti Radeon HD 6850
Manufacturer nVidia AMD
Year March 2011 October 2010
Code Name GF116 Barts Pro
Memory 1024 MB 1024 MB
Core Speed 900 MHz 775 MHz
Memory Speed 4104 MHz 4000 MHz
Power (Max TDP) 116 watts 127 watts
Bandwidth 98496 MB/sec 128000 MB/sec
Texel Rate 28800 Mtexels/sec 37200 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 24800 Mpixels/sec
Unified Shaders 192 960
Texture Mapping Units 32 48
Render Output Units 24 32
Bus Type GDDR5 GDDR5
Bus Width 192-bit 256-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 1700 million
Bus PCIe 2.1 x16 PCIe x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the faster 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 can be applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

GeForce GTX 550 Ti

Radeon HD 6850

Comments

7 Responses to “GeForce GTX 550 Ti vs Radeon HD 6850”
Nieuwe grafische kaart bottleneck? - 9lives - Games Forum says:

[...] Voor die prijs kan je beter een AMD 6850 kopen, die is op alle vlakken zowat beter voor evenveel geld : GeForce GTX 550 Ti vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare [...]

needhelp says:

Can someone tell me what is better gainward 550 ti GS or his hd 6850 iceq x turbo ? Also will a psu raidmax 520w be enough for either of them ?
other components : regular motherboard (from msi), 2 hdds 7200 rpm , 4 gb ram kingston, intel duo core at 2.66 ghz (2 cpus) ...

Anonymous says:

[...] [...]

Enam says:

450 w will do just fine

Which graphics card is better? says:

[...] Which graphics card is better? Looks to me like the 6850 wins - GeForce GTX 550 Ti vs Radeon HD 6850 – Performance Comparison Benchmarks @ Hardware Compare but the GTX 550 Ti is a tiny bit cheaper. My Custom-Built PC Core i5 760 2.8GHz, 8GB DDR3 [...]

Posible compra de un nuevo PC, pero no se cual. - Página 2 says:

[...] teniendo la 6850 a 115€, para que te hagas una idea de la diferencia por el mismo precio: GeForce GTX 550 Ti vs Radeon HD 6850 ***8211; Performance Comparison Benchmarks @ Hardware Compare Por ese mismo precio tienes este (con lo que comente justo antes), aunque como parece que no te [...]

Hyrulien says:

It is very important to remember some games prefer AMD cards while other games prefer NVIDIA. For example the HD6850 plays planetside 2 like a dream on 1080p medium high settings, I have yet to try max settings. But on other games like RIFT you might have a slight performance boost with the 550ti I cannot go into details right now but just my 2 cents.Most of the time poorly desgined mmorpgs like rift or pwi use peoples internet speed more then there gpu. Other games that are well designed like wow and gw2 use your gpu more efficiently.

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