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GeForce GTS 250 1GB vs Radeon HD 5570

Intro

The GeForce GTS 250 1GB comes with core speeds of 738 MHz on the GPU, and 1100 MHz on the 1024 MB of GDDR3 memory. It features 128 SPUs as well as 64 Texture Address Units and 16 Rasterization Operator Units.

Compare that to the Radeon HD 5570, which features clock speeds of 650 MHz on the GPU, and 900 MHz on the 512 MB of DDR3 RAM. It features 400(80x5) SPUs along with 20 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5570 43 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 102 Watts (237%)

Memory Bandwidth

Theoretically speaking, the GeForce GTS 250 1GB should perform quite a bit faster than the Radeon HD 5570 overall. (explain)

GeForce GTS 250 1GB 70400 MB/sec
Radeon HD 5570 28800 MB/sec
Difference: 41600 (144%)

Texel Rate

The GeForce GTS 250 1GB will be much (more or less 263%) better at anisotropic filtering than the Radeon HD 5570. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
Radeon HD 5570 13000 Mtexels/sec
Difference: 34232 (263%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTS 250 1GB is a better choice, and very much so. (explain)

GeForce GTS 250 1GB 11808 Mpixels/sec
Radeon HD 5570 5200 Mpixels/sec
Difference: 6608 (127%)

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 5570

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 5570
Manufacturer nVidia AMD
Year March 3, 2009 February 9, 2010
Code Name G92a/b Redwood PRO
Memory 1024 MB 512 MB
Core Speed 738 MHz 650 MHz
Memory Speed 2200 MHz 1800 MHz
Power (Max TDP) 145 watts 43 watts
Bandwidth 70400 MB/sec 28800 MB/sec
Texel Rate 47232 Mtexels/sec 13000 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 128 400(80x5)
Texture Mapping Units 64 20
Render Output Units 16 8
Bus Type GDDR3 DDR3
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 largest amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the card's interface width by its memory speed. If it uses DDR RAM, it 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 anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This is worked out by multiplying the total amount of texture units of the card by the core clock 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 number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 250 1GB

Amazon.com

Check prices at:

Radeon HD 5570

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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