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GeForce GTS 250 512MB vs Radeon HD 5670

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 model. It features 128 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

Compare all that to the Radeon HD 5670, which features GPU core speed of 775 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also features 400(80x5) Stream Processors, 20 Texture Address Units, and 8 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5670 61 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 84 Watts (138%)

Memory Bandwidth

As far as performance goes, the GeForce GTS 250 512MB should in theory be a little bit superior to the Radeon HD 5670 overall. (explain)

GeForce GTS 250 512MB 70400 MB/sec
Radeon HD 5670 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 512MB will be much (about 205%) more effective at texture filtering than the Radeon HD 5670. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 5670 15500 Mtexels/sec
Difference: 31732 (205%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTS 250 512MB is superior to the Radeon HD 5670, by far. (explain)

GeForce GTS 250 512MB 11808 Mpixels/sec
Radeon HD 5670 6200 Mpixels/sec
Difference: 5608 (90%)

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 5670

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 5670
Manufacturer nVidia AMD
Year March 3, 2009 January 14, 2010
Code Name G92a/b Redwood XT
Memory 512 MB 1024 MB
Core Speed 738 MHz 775 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 61 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 15500 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 6200 Mpixels/sec
Unified Shaders 128 400(80x5)
Texture Mapping Units 64 20
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 627 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 3.2

Memory Bandwidth: Memory bandwidth is the maximum amount of data (in units of MB per second) that can be transferred past the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, 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 calculated by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out 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 - the lower the 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 5670

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 5670”
Decent upgrade for a Geforce 7 series card ? - Digit Technology Discussion Forum says:

[...] the additional money on a better GPU ? As I see that the 5670 hardly lives up to even the GTX 250 GeForce GTS 250 512MB vs Radeon HD 5670 – Performance Comparison Benchmarks @ Hardware Compare Also, what is amp rating on 12v rail for the saga II psu ? I tried searching but could not find it [...]

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