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

Intro

The GeForce GTS 250 512MB makes use of a 65/55 nm design. nVidia has clocked the core frequency at 738 MHz. The GDDR3 memory runs at a frequency of 1100 MHz on this particular card. It features 128 SPUs along with 64 Texture Address Units and 16 ROPs.

Compare those specifications to the Radeon HD 6670 (OEM), which features a clock speed of 800 MHz and a GDDR5 memory frequency of 1000 MHz. It also makes use of a 128-bit bus, and uses a 40 nm design. It is made up of 480 SPUs, 24 TAUs, 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

Theoretically speaking, the GeForce GTS 250 512MB is 10% faster than the Radeon HD 6670 (OEM) overall, due to its higher bandwidth. (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 should be a lot (about 146%) better 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 lots of anti-aliasing is important to you, then the GeForce GTS 250 512MB is superior to the Radeon HD 6670 (OEM), by far. (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

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 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 largest amount of information (measured in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the card's interface width by its memory speed. If the card has DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max 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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