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GeForce GTX 550 Ti vs GeForce GTX 650


The GeForce GTX 550 Ti makes use of a 40 nm design. nVidia has set the core speed at 900 MHz. The GDDR5 memory is set to run at a speed of 1026 MHz on this particular model. It features 192 SPUs along with 32 Texture Address Units and 24 ROPs.

Compare all of that to the GeForce GTX 650, which has a GPU core clock speed of 1058 MHz, and 2048 MB of GDDR5 RAM running at 1250 MHz through a 128-bit bus. It also is comprised of 384 SPUs, 32 TAUs, and 16 ROPs.

(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

The GeForce GTX 550 Ti should theoretically be quite a bit 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 is a little bit (about 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 should be a lot (about 28%) faster with regards to AA than the GeForce GTX 650, and able to handle higher resolutions better. (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

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.


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 11.0
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 largest amount of information (measured in MB per second) that can be transported over the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory clock speed. In the case of DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.


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 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?
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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