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GeForce GTS 250 512MB vs Radeon HD 5750 1GB

Intro

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

Compare those specifications to the Radeon HD 5750 1GB, which features a clock frequency of 700 MHz and a GDDR5 memory frequency of 1150 MHz. It also makes use of a 128-bit bus, and makes use of a 40 nm design. It features 720(144x5) SPUs, 36 TAUs, and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon HD 5750 1GB 86 Watts
GeForce GTS 250 512MB 145 Watts
Difference: 59 Watts (69%)

Memory Bandwidth

In theory, the Radeon HD 5750 1GB should perform a bit faster than the GeForce GTS 250 512MB in general. (explain)

Radeon HD 5750 1GB 73600 MB/sec
GeForce GTS 250 512MB 70400 MB/sec
Difference: 3200 (5%)

Texel Rate

The GeForce GTS 250 512MB is a lot (approximately 87%) faster with regards to AF than the Radeon HD 5750 1GB. (explain)

GeForce GTS 250 512MB 47232 Mtexels/sec
Radeon HD 5750 1GB 25200 Mtexels/sec
Difference: 22032 (87%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTS 250 512MB is a better choice, but not by far. (explain)

GeForce GTS 250 512MB 11808 Mpixels/sec
Radeon HD 5750 1GB 11200 Mpixels/sec
Difference: 608 (5%)

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 5750 1GB

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 5750 1GB
Manufacturer nVidia AMD
Year March 3, 2009 October 13, 2009
Code Name G92a/b Juniper LE
Memory 512 MB 1024 MB
Core Speed 738 MHz 700 MHz
Memory Speed 2200 MHz 4600 MHz
Power (Max TDP) 145 watts 86 watts
Bandwidth 70400 MB/sec 73600 MB/sec
Texel Rate 47232 Mtexels/sec 25200 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 11200 Mpixels/sec
Unified Shaders 128 720(144x5)
Texture Mapping Units 64 36
Render Output Units 16 16
Bus Type GDDR3 GDDR5
Bus Width 256-bit 128-bit
Fab Process 65/55 nm 40 nm
Transistors 754 million 1040 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 data (in units of MB per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the card's bus width by its memory clock speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 processed per second. This figure is calculated 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 per second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce GTS 250 512MB

Amazon.com

Check prices at:

Radeon HD 5750 1GB

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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