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GeForce GTX 550 Ti vs GeForce GTX 650


Intro

The GeForce GTX 550 Ti has core clock speeds of 900 MHz on the GPU, and 1026 MHz on the 1024 MB of GDDR5 RAM. It features 192 SPUs as well as 32 Texture Address Units and 24 Rasterization Operator Units.

Compare all of that to the GeForce GTX 650, which features core clock speeds of 1058 MHz on the GPU, and 1250 MHz on the 1024 MB of GDDR5 memory. It features 384 SPUs as well as 32 TAUs and 16 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 650 2270 points
GeForce GTX 550 Ti 1910 points
Difference: 360 (19%)

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 will be 23% faster than the GeForce GTX 650 in general, due to its greater bandwidth. (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 little bit (about 18%) better at texture 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

If using lots of anti-aliasing is important to you, then the GeForce GTX 550 Ti is a better choice, by a large margin. (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

GeForce GTX 550 Ti

GeForce GTX 650

Specifications

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Model GeForce GTX 550 Ti GeForce GTX 650
Manufacturer nVidia nVidia
Year March 2011 September 2012
Code Name GF116 GK107
Memory 1024 MB 1024 MB
Core Speed 900 MHz 1058 MHz
Memory Speed 4104 MHz 5000 MHz
Power (Max TDP) 116 watts 64 watts
Bandwidth 98496 MB/sec 80000 MB/sec
Texel Rate 28800 Mtexels/sec 33856 Mtexels/sec
Pixel Rate 21600 Mpixels/sec 16928 Mpixels/sec
Unified Shaders 192 384
Texture Mapping Units 32 32
Render Output Units 24 16
Bus Type GDDR5 GDDR5
Bus Width 192-bit 128-bit
Fab Process 40 nm 28 nm
Transistors 1170 million 1300 million
Bus PCIe 2.1 x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 11.0
OpenGL Version OpenGL 4.1 OpenGL 4.3

Memory Bandwidth: Memory bandwidth is the largest amount of information (counted in MB per second) that can be moved past the external memory interface within a second. It's worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

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

GeForce GTX 550 Ti

GeForce GTX 650

Comments

10 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?

RODRIGO KELLY SILVA DE MATTOS says:

If you note, the power consumption of 650 is lower than the 550 ti, so you dont have to buy a great energy source!

jhon says:

gtx550ti has pci 2.0 and its 1gb its power consumation is higher .while gtx65 has 3.0 pci and its 2gb and power consumation is lower. if u really want to buy 192bits then it is better to buy 256bits.

Hannes says:

550ti is better for me texel memorry and pixel rate Hannes

edin says:

i play all games with high AF on my HD 6670 1gb ddr5, but i cant play new games on 1080p,only low to medium detail and off Anti Alaising, so beter card is the one that can play 1080p without lag, in this case gtx 550ti with bigger pixel rate

tarun says:

but gtx 650 can give good gaming performance than gtx 550ti

john says:

yes GTX 650 GDDR5 is 20% faster than GTX 550TI GTX 650 run with 64 W but GTX 550 ti need 116W so low power high performance

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