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GeForce GTX 550 Ti vs GeForce GTX 650


Intro

The GeForce GTX 550 Ti has a GPU clock speed of 900 MHz, and the 1024 MB of GDDR5 RAM runs at 1026 MHz through a 192-bit bus. It also is made up of 192 SPUs, 32 TAUs, and 24 Raster Operation Units.

Compare that to the GeForce GTX 650, which features a core clock speed of 1058 MHz and a GDDR5 memory speed of 1250 MHz. It also makes use of a 128-bit bus, and makes use of a 28 nm design. It features 384 SPUs, 32 Texture Address Units, 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

As far as performance goes, the GeForce GTX 550 Ti should in theory be a lot superior to 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 should be just a bit (approximately 18%) faster with regards to 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 superior to the GeForce GTX 650, 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 max amount of data (counted in MB per second) that can be transferred over the external memory interface in one second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's 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 are processed per second. This number is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The better this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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