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GeForce GTS 250 512MB vs Radeon HD 6670 (OEM)

Intro

The GeForce GTS 250 512MB uses a 65/55 nm design. nVidia has clocked the core speed at 738 MHz. The GDDR3 RAM is set to run at a speed of 1100 MHz on this particular model. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon HD 6670 (OEM), which makes use of a 40 nm design. AMD has clocked the core speed at 800 MHz. The GDDR5 RAM works at a frequency of 1000 MHz on this specific card. It features 480 SPUs along with 24 Texture Address Units and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6670 (OEM) 63 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 82 Watts (130%)

Memory Bandwidth

The GeForce GTS 250 512MB should theoretically perform a bit faster than the Radeon HD 6670 (OEM) overall. (explain)

GeForce GTS 250 512MB 70400 MB/sec
Radeon HD 6670 (OEM) 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 512MB will be quite a bit (approximately 146%) more effective at anisotropic filtering than the Radeon HD 6670 (OEM). (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 6670 (OEM) 19200 Mtexels/sec
Difference: 28032 (146%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTS 250 512MB is superior to the Radeon HD 6670 (OEM), and very much so. (explain)

GeForce GTS 250 512MB 11808 Mpixels/sec
Radeon HD 6670 (OEM) 6400 Mpixels/sec
Difference: 5408 (85%)

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 GTS 250 512MB

Amazon.com

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Radeon HD 6670 (OEM)

Amazon.com

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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 GTS 250 512MB Radeon HD 6670 (OEM)
Manufacturer nVidia AMD
Year March 3, 2009 February 2011
Code Name G92a/b Turks
Memory 512 MB 512 MB
Core Speed 738 MHz 800 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 63 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 19200 Mtexels/sec
Pixel Rate 11808 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 65/55 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 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units of the card 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 per second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill 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.

Display Prices

Hide Prices

GeForce GTS 250 512MB

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 GTS 250 512MB vs Radeon HD 6670 (OEM)”
GPU Sugesstions says:

[...] PC , XB360 Isn't GTS250 is faster than 6670?. If i am not wrong GeForce GTS 250 512MB vs Radeon HD 6670 (OEM) – Performance Comparison Benchmarks @ Hardware C... [...]

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