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GeForce GTS 250 512MB vs Radeon HD 6570 (OEM) 2GB

Intro

The GeForce GTS 250 512MB uses a 65/55 nm design. nVidia has clocked the core speed at 738 MHz. The GDDR3 RAM is set to run at a speed of 1100 MHz on this particular card. It features 128 SPUs as well as 64 Texture Address Units and 16 ROPs.

Compare that to the Radeon HD 6570 (OEM) 2GB, which uses a 40 nm design. AMD has set the core speed at 650 MHz. The GDDR5 RAM is set to run at a speed of 1000 MHz on this specific model. It features 480 SPUs along with 24 TAUs and 8 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 6570 (OEM) 2GB 50 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 95 Watts (190%)

Memory Bandwidth

Theoretically speaking, the GeForce GTS 250 512MB should be a small bit faster than the Radeon HD 6570 (OEM) 2GB overall. (explain)

GeForce GTS 250 512MB 70400 MB/sec
Radeon HD 6570 (OEM) 2GB 64000 MB/sec
Difference: 6400 (10%)

Texel Rate

The GeForce GTS 250 512MB is a lot (more or less 203%) faster with regards to texture filtering than the Radeon HD 6570 (OEM) 2GB. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 6570 (OEM) 2GB 15600 Mtexels/sec
Difference: 31632 (203%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTS 250 512MB is the winner, by far. (explain)

GeForce GTS 250 512MB 11808 Mpixels/sec
Radeon HD 6570 (OEM) 2GB 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 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

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 6570 (OEM) 2GB
Manufacturer nVidia AMD
Year March 3, 2009 February 2011
Code Name G92a/b Turks
Memory 512 MB 1024 MB
Core Speed 738 MHz 650 MHz
Memory Speed 2200 MHz 4000 MHz
Power (Max TDP) 145 watts 50 watts
Bandwidth 70400 MB/sec 64000 MB/sec
Texel Rate 47232 Mtexels/sec 15600 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 5200 Mpixels/sec
Unified Shaders 128 480
Texture Mapping Units 64 24
Render Output Units 16 8
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 715 million
Bus PCIe x16 2.0 PCIe 2.1 x16
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1

Memory Bandwidth: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

Radeon HD 6570 (OEM) 2GB

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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