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GeForce GTS 250 1GB vs Radeon HD 5830

Intro

The GeForce GTS 250 1GB comes with clock speeds of 738 MHz on the GPU, and 1100 MHz on the 1024 MB of GDDR3 RAM. It features 128 SPUs as well as 64 TAUs and 16 ROPs.

Compare those specifications to the Radeon HD 5830, which makes use of a 40 nm design. AMD has set the core frequency at 800 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this particular model. It features 1120(224x5) SPUs along with 56 Texture Address Units and 16 ROPs.

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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

Theoretically, the Radeon HD 5830 should be a lot faster than the GeForce GTS 250 1GB overall. (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 just a bit (more or less 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

The Radeon HD 5830 is just a bit (approximately 8%) better at AA than the GeForce GTS 250 1GB, and also will be able to handle higher resolutions without losing too much performance. (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 max amount of information (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is worked out by multiplying the bus width by its memory speed. If the card has DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. 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 amount of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max 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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