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GeForce GTS 250 512MB vs Radeon HD 5830

Intro

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

Compare those specs to the Radeon HD 5830, which has core speeds of 800 MHz on the GPU, and 1000 MHz on the 1024 MB of GDDR5 memory. It features 1120(224x5) SPUs as well as 56 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 512MB 145 Watts
Radeon HD 5830 175 Watts
Difference: 30 Watts (21%)

Memory Bandwidth

Theoretically speaking, the Radeon HD 5830 should be a lot faster than the GeForce GTS 250 512MB overall. (explain)

Radeon HD 5830 128000 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 57600 (82%)

Texel Rate

The GeForce GTS 250 512MB should be a small bit (approximately 5%) faster with regards to anisotropic filtering than the Radeon HD 5830. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 2432 (5%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon HD 5830 is superior to the GeForce GTS 250 512MB, but not by far. (explain)

Radeon HD 5830 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 5830

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 5830
Manufacturer nVidia AMD
Year March 3, 2009 February 25, 2010
Code Name G92a/b Cypress LE
Memory 512 MB 1024 MB
Core Speed 738 MHz 800 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 175 watts
Bandwidth 70400 MB/sec 128000 MB/sec
Texel Rate 47232 Mtexels/sec 44800 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 12800 Mpixels/sec
Unified Shaders 128 1120(224x5)
Texture Mapping Units 64 56
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 256-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 2154 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: Bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the card's interface width by the speed of its memory. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

Radeon HD 5830

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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