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GeForce GTS 250 1GB vs Radeon HD 5830

Intro

The GeForce GTS 250 1GB uses a 65/55 nm design. nVidia has clocked the core frequency at 738 MHz. The GDDR3 RAM works at a speed of 1100 MHz on this specific model. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Compare that to the Radeon HD 5830, which comes with GPU clock speed of 800 MHz, and 1024 MB of GDDR5 RAM set to run at 1000 MHz through a 256-bit bus. It also is made up of 1120(224x5) Stream Processors, 56 Texture Address Units, and 16 Raster Operation Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTS 250 1GB 145 Watts
Radeon HD 5830 175 Watts
Difference: 30 Watts (21%)

Memory Bandwidth

In theory, the Radeon HD 5830 will be 82% faster than the GeForce GTS 250 1GB in general, because of its greater bandwidth. (explain)

Radeon HD 5830 128000 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 57600 (82%)

Texel Rate

The GeForce GTS 250 1GB will be a small bit (approximately 5%) faster with regards to anisotropic filtering than the Radeon HD 5830. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon HD 5830 44800 Mtexels/sec
Difference: 2432 (5%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon HD 5830 is superior to the GeForce GTS 250 1GB, though not by far. (explain)

Radeon HD 5830 12800 Mpixels/sec
GeForce GTS 250 1GB 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 1GB

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 1GB Radeon HD 5830
Manufacturer nVidia AMD
Year March 3, 2009 February 25, 2010
Code Name G92a/b Cypress LE
Memory 1024 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 largest amount of information (in units of MB per second) that can be moved across 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 RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster 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 applied per second. This figure is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly write to its 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 clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 250 1GB

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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