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GeForce 9800 GTX vs Radeon HD 6670 (OEM)

Intro

The GeForce 9800 GTX comes with a GPU core speed of 675 MHz, and the 512 MB of GDDR3 memory runs at 1100 MHz through a 256-bit bus. It also features 128 Stream Processors, 64 TAUs, and 16 ROPs.

Compare all that to the Radeon HD 6670 (OEM), which has a clock speed of 800 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 40 nm design. It is made up of 480 SPUs, 24 TAUs, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 63 Watts
GeForce 9800 GTX 140 Watts
Difference: 77 Watts (122%)

Memory Bandwidth

Performance-wise, the GeForce 9800 GTX should theoretically be just a bit superior to the Radeon HD 6670 (OEM) overall. (explain)

GeForce 9800 GTX 70400 MB/sec
Radeon HD 6670 (OEM) 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce 9800 GTX should be much (about 125%) faster with regards to anisotropic filtering than the Radeon HD 6670 (OEM). (explain)

GeForce 9800 GTX 43200 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 24000 (125%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce 9800 GTX is superior to the Radeon HD 6670 (OEM), by far. (explain)

GeForce 9800 GTX 10800 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 4400 (69%)

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 9800 GTX

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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 9800 GTX Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year April 2008 February 2011
Code Name G92 Turks
Memory 512 MB 512 MB
Core Speed 675 MHz 800 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 140 watts 63 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 43200 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 10800 Mpixels/sec 6400 Mpixels/sec
Unified Shaders 128 480
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65 nm 40 nm
Transistors 754 million 715 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.0 OpenGL 4.1

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of megabytes per second) that can be transported over the external memory interface in a second. It is worked out by multiplying the card's 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 memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure 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 drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce 9800 GTX

Amazon.com

Check prices at:

Radeon HD 6670 (OEM)

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 9800 GTX vs Radeon HD 6670 (OEM)”
New Gpu is a joke...upgrade suggestions? - Page 2 says:

[...] sure how accurate this is: http://www.hwcompare.com/10782/gefor...n-hd-6670-oem/ __________________ e8400 @ 3.6 ghz 4 gb ddr2 800 g-skills sli 9800gtx+ 320 gb wd hd corsair [...]

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