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GeForce GTX 550 Ti vs GeForce GTX 650

Intro

The GeForce GTX 550 Ti has a GPU core clock speed of 900 MHz, and the 1024 MB of GDDR5 memory runs at 1026 MHz through a 192-bit bus. It also is comprised of 192 Stream Processors, 32 Texture Address Units, and 24 Raster Operation Units.

Compare all of that to the GeForce GTX 650, which uses a 28 nm design. nVidia has set the core speed at 1058 MHz. The GDDR5 memory is set to run at a speed of 1250 MHz on this card. It features 384 SPUs as well as 32 TAUs and 16 Rasterization Operator Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 64 Watts
GeForce GTX 550 Ti 116 Watts
Difference: 52 Watts (81%)

Memory Bandwidth

In theory, the GeForce GTX 550 Ti should be much faster than the GeForce GTX 650 overall. (explain)

GeForce GTX 550 Ti 98496 MB/sec
GeForce GTX 650 80000 MB/sec
Difference: 18496 (23%)

Texel Rate

The GeForce GTX 650 will be a bit (more or less 18%) more effective at anisotropic filtering than the GeForce GTX 550 Ti. (explain)

GeForce GTX 650 33856 Mtexels/sec
GeForce GTX 550 Ti 28800 Mtexels/sec
Difference: 5056 (18%)

Pixel Rate

The GeForce GTX 550 Ti is a lot (about 28%) more effective at anti-aliasing than the GeForce GTX 650, and should be capable of handling higher screen resolutions more effectively. (explain)

GeForce GTX 550 Ti 21600 Mpixels/sec
GeForce GTX 650 16928 Mpixels/sec
Difference: 4672 (28%)

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

Please note that the price comparisons are based on search keywords, and might not be the exact same card listed on this page. We have no control over the accuracy of their search results.

GeForce GTX 550 Ti

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

GeForce GTX 650

Amazon.com

Other US-based stores

Amazon.co.uk

Amazon.de

Amazon.fr

Specifications

Model GeForce GTX 550 Ti GeForce GTX 650
Manufacturer nVidia nVidia
Year March 2011 September 2012
Code Name GF116 GK107
Fab Process 40 nm 28 nm
Bus PCIe 2.1 x16 PCIe 3.0 x16
Memory 1024 MB 2048 MB
Core Speed 900 MHz 1058 MHz
Shader Speed 1800 MHz 1058 MHz
Memory Speed 1026 MHz (4104 MHz effective) 1250 MHz (5000 MHz effective)
Unified Shaders 192 384
Texture Mapping Units 32 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
DirectX Version DirectX 11 DirectX 11.1
OpenGL Version OpenGL 4.1 OpenGL 4.3
Power (Max TDP) 116 watts 64 watts
Shader Model 5.0 5.0
Bandwidth 98496 MB/sec 80000 MB/sec
Texel Rate 28800 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 16928 Mpixels/sec

Memory Bandwidth: Memory bandwidth is the max amount of data (in units of MB per second) that can be moved over the external memory interface in a second. It is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Comments

4 Responses to “GeForce GTX 550 Ti vs GeForce GTX 650”
Rcoil says:

I'm not sure about the increase of the performance from the GTX 550 Ti to GTX 650

Med Ali says:

even for me increase of performances between the 650 and 550ti are only in the Unified Shaders and the texel rate.

Rcoil says:

If you look at the following link http://www.geforce.com/Active/en_US/shared/images/products/shared/lineup.png just a little bit different. and even then only in synthetic benchmarks. not the real game.

Kirvic says:

Hi, what about video edition, which one is better to work for example in Adobe Premiere Pro CS6? or After Effects?

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