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GeForce GTX 550 Ti vs Radeon HD 6670 (OEM)

Intro

The GeForce GTX 550 Ti makes use of a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 memory is set to run at a frequency of 1026 MHz on this card. It features 192 SPUs along with 32 TAUs and 24 ROPs.

Compare those specs to the Radeon HD 6670 (OEM), which comes with a clock frequency of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit memory bus, and uses a 40 nm design. It is comprised of 480 SPUs, 24 Texture Address Units, and 8 ROPs.

Display Graphs

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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

GeForce GTX 550 Ti 1910 points
Radeon HD 6670 (OEM) 1120 points
Difference: 790 (71%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 63 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 53 Watts (84%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 550 Ti should theoretically be a lot superior to the Radeon HD 6670 (OEM) in general. (explain)

GeForce GTX 550 Ti 98496 MB/sec
Radeon HD 6670 (OEM) 64000 MB/sec
Difference: 34496 (54%)

Texel Rate

The GeForce GTX 550 Ti should be a lot (more or less 50%) better at AF than the Radeon HD 6670 (OEM). (explain)

GeForce GTX 550 Ti 28800 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 9600 (50%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 550 Ti is superior to the Radeon HD 6670 (OEM), and very much so. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 15200 (238%)

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 6670 (OEM)

Specifications

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Model GeForce GTX 550 Ti Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year March 2011 February 2011
Code Name GF116 Turks
Memory 1024 MB 512 MB
Core Speed 900 MHz 800 MHz
Memory Speed 4104 MHz 4000 MHz
Power (Max TDP) 116 watts 63 watts
Bandwidth 98496 MB/sec 64000 MB/sec
Texel Rate 28800 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 192 480
Texture Mapping Units 32 24
Render Output Units 24 8
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 40 nm
Transistors 1170 million 715 million
Bus PCIe 2.1 x16 PCIe 2.1 x16
DirectX Version DirectX 11 DirectX 11
OpenGL Version OpenGL 4.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the max amount of data (measured in MB per second) that can be moved over the external memory interface in a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling 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 the graphics card could possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 ability to get to the max fill rate.

GeForce GTX 550 Ti

Radeon HD 6670 (OEM)

Comments

2 Responses to “GeForce GTX 550 Ti vs Radeon HD 6670 (OEM)”
Gamble says:

OFC. Nvidia 550 Ti... but an additional 40-50 $ expense for a good smps to provide it with the required power. Where as Raedon would run smooth with you regular smps

henrique dos reis lima says:

creio eu maior coisa dai é dinheiro eu fico com hd 6770 ela está 250 R$ ela é boa ai gtx 550ti 370 R$ 120 R$ de difrença pra quem que roda no full com hd 6670 da pra roda de boa recomendo hd 6670 ela boa pode ter certeza

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