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GeForce GTS 250 512MB vs Radeon HD 7750

Intro

The GeForce GTS 250 512MB comes with a core clock speed of 738 MHz and a GDDR3 memory speed of 1100 MHz. It also makes use of a 256-bit bus, and uses a 65/55 nm design. It is comprised of 128 SPUs, 64 Texture Address Units, and 16 Raster Operation Units.

Compare all of that to the Radeon HD 7750, which makes use of a 28 nm design. AMD has set the core speed at 800 MHz. The GDDR5 memory is set to run at a frequency of 1125 MHz on this specific card. It features 512 SPUs as well as 32 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 7750 55 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 90 Watts (164%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 7750 will be 2% faster than the GeForce GTS 250 512MB in general, due to its higher bandwidth. (explain)

Radeon HD 7750 72000 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 1600 (2%)

Texel Rate

The GeForce GTS 250 512MB will be quite a bit (approximately 85%) faster with regards to texture filtering than the Radeon HD 7750. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 7750 25600 Mtexels/sec
Difference: 21632 (85%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon HD 7750 is a better choice, though only just barely. (explain)

Radeon HD 7750 12800 Mpixels/sec
GeForce GTS 250 512MB 11808 Mpixels/sec
Difference: 992 (8%)

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 7750

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 7750
Manufacturer nVidia AMD
Year March 3, 2009 February 2012
Code Name G92a/b Cape Verde Pro
Memory 512 MB 1024 MB
Core Speed 738 MHz 800 MHz
Memory Speed 2200 MHz 4500 MHz
Power (Max TDP) 145 watts 55 watts
Bandwidth 70400 MB/sec 72000 MB/sec
Texel Rate 47232 Mtexels/sec 25600 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 128 512
Texture Mapping Units 64 32
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 28 nm
Transistors 754 million 1500 million
Bus PCIe x16 2.0 PCIe 3.0 x16
DirectX Version DirectX 10 DirectX 11.1
OpenGL Version OpenGL 3.1 OpenGL 4.2

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR type RAM, the result should be multiplied by 2 again. If it uses 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 amount of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The better the texel rate, the better the 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 maximum amount of pixels the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many 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 7750

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.

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