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GeForce GTS 250 1GB vs GeForce GTX 550 Ti

Intro

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

Compare all of that to the GeForce GTX 550 Ti, which features core speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 memory. It features 192 SPUs along with 32 TAUs and 24 Rasterization Operator Units.

Display Graphs

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(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 550 Ti 116 Watts
GeForce GTS 250 1GB 145 Watts
Difference: 29 Watts (25%)

Memory Bandwidth

The GeForce GTX 550 Ti, in theory, should perform a lot faster than the GeForce GTS 250 1GB in general. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce GTS 250 1GB 70400 MB/sec
Difference: 28096 (40%)

Texel Rate

The GeForce GTS 250 1GB is a lot (approximately 64%) more effective at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTS 250 1GB 47232 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 18432 (64%)

Pixel Rate

The GeForce GTX 550 Ti will be much (more or less 83%) better at full screen anti-aliasing than the GeForce GTS 250 1GB, and also should be capable of handling higher screen resolutions without losing too much performance. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTS 250 1GB 11808 Mpixels/sec
Difference: 9792 (83%)

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

Display Prices

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GeForce GTS 250 1GB

Amazon.com

GeForce GTX 550 Ti

Amazon.com

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

Display Specifications

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Model GeForce GTS 250 1GB GeForce GTX 550 Ti
Manufacturer nVidia nVidia
Year March 3, 2009 March 2011
Code Name G92a/b GF116
Fab Process 65/55 nm 40 nm
Bus PCIe x16 2.0 PCIe 2.1 x16
Memory 1024 MB 1024 MB
Core Speed 738 MHz 900 MHz
Shader Speed 1836 MHz 1800 MHz
Memory Speed 2200 MHz 4104 MHz
Unified Shaders 128 192
Texture Mapping Units 64 32
Render Output Units 16 24
Bus Type GDDR3 GDDR5
Bus Width 256-bit 192-bit
DirectX Version DirectX 10 DirectX 11
OpenGL Version OpenGL 3.1 OpenGL 4.1
Power (Max TDP) 145 watts 116 watts
Shader Model 4.0 5.0
Bandwidth 70400 MB/sec 98496 MB/sec
Texel Rate 47232 Mtexels/sec 28800 Mtexels/sec
Pixel Rate 11808 Mpixels/sec 21600 Mpixels/sec

Memory Bandwidth: Bandwidth is the max amount of data (counted in MB per second) that can be moved over the external memory interface in a second. The number is calculated by multiplying the bus width by its memory speed. If it uses DDR type RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The better 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 one second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Comments

One Response to “GeForce GTS 250 1GB vs GeForce GTX 550 Ti”
12060pts en 3DMark06 GTX 550Ti says:

[...] [...]

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