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GeForce GTX 660 vs GeForce GTX 660 Ti

Intro

The GeForce GTX 660 has a core clock speed of 980 MHz and a GDDR5 memory speed of 1502 MHz. It also makes use of a 192-bit memory bus, and makes use of a 28 nm design. It is comprised of 960 SPUs, 80 Texture Address Units, and 24 Raster Operation Units.

Compare those specifications to the GeForce GTX 660 Ti, which features a clock frequency of 915 MHz and a GDDR5 memory speed of 1500 MHz. It also features a 192-bit memory bus, and makes use of a 28 nm design. It is comprised of 1344 SPUs, 112 TAUs, and 24 Raster Operation Units.

(No game benchmarks for this combination yet.)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 660 140 Watts
GeForce GTX 660 Ti 150 Watts
Difference: 10 Watts (7%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 660 should theoretically be just a bit better than the GeForce GTX 660 Ti in general. (explain)

GeForce GTX 660 144192 MB/sec
GeForce GTX 660 Ti 144000 MB/sec
Difference: 192 (0%)

Texel Rate

The GeForce GTX 660 Ti will be much (about 31%) faster with regards to anisotropic filtering than the GeForce GTX 660. (explain)

GeForce GTX 660 Ti 102480 Mtexels/sec
GeForce GTX 660 78400 Mtexels/sec
Difference: 24080 (31%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 660 is superior to the GeForce GTX 660 Ti, not by a very large margin though. (explain)

GeForce GTX 660 23520 Mpixels/sec
GeForce GTX 660 Ti 21960 Mpixels/sec
Difference: 1560 (7%)

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 660

Amazon.com

GeForce GTX 660 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

Model GeForce GTX 660 GeForce GTX 660 Ti
Manufacturer nVidia nVidia
Year September 2012 August 2012
Code Name GK106 GK104
Fab Process 28 nm 28 nm
Bus PCIe 3.0 x16 PCIe 3.0 x16
Memory 2048 MB 2048 MB
Core Speed 980 MHz 915 MHz
Shader Speed 980 MHz 915 MHz
Memory Speed 1502 MHz (6008 MHz effective) 1500 MHz (6000 MHz effective)
Unified Shaders 960 1344
Texture Mapping Units 80 112
Render Output Units 24 24
Bus Type GDDR5 GDDR5
Bus Width 192-bit 192-bit
DirectX Version DirectX 11.0 DirectX 11.0
OpenGL Version OpenGL 4.3 OpenGL 4.3
Power (Max TDP) 140 watts 150 watts
Shader Model 5.0 5.0
Bandwidth 144192 MB/sec 144000 MB/sec
Texel Rate 78400 Mtexels/sec 102480 Mtexels/sec
Pixel Rate 23520 Mpixels/sec 21960 Mpixels/sec

Memory Bandwidth: Bandwidth is the maximum amount of information (in units of MB per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the interface width by its memory speed. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 amount of texture map elements (texels) that are applied per second. This number is calculated by multiplying the total number of texture units of the card by the core 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 applied per second.

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

Comments

31 Responses to “GeForce GTX 660 vs GeForce GTX 660 Ti”
Rubayet says:
I'll take non ti
FlamsLv says:
Just bought non Ti version
Ted says:
Is it worth buying non ti? like i don't care how much they cost i want the best one, which one is it of those 2?
Rob says:
I'm getting the non Ti. That 31% isn't worth another $100.
ok says:
fuck u devesh

msg2short

Bangladeshi Ranjan says:
Which can I choose?
Simon says:
Easy choice, definitely 660 Ti, runs much better than what it says in the review, everyone, go for the TI version
ScaryFucker says:
Take non Ti cards, don't pay more, dudes
Graphic Crad Expert says:
Simply,even compared to GTX 670 take the GTX 660 instead!
GTX 660 costs about 200$+ and is just about 30-40% slover than a GTX 670 which cost 400$...
You will not see difference if you don't have problems with FPS...
Sheraz Faiz says:
Man just buy Ati radeon hd 7870 this is very cheap and better than both gtx 660 and ti
shoaibgazi says:
sheraz
if we want to use ATi radeon 7870 we need amd motherboard cause this card has crossfire technology which is you can only use on amd motherboards
Sheraz Faiz says:
Shoaib watch this video u will see how to install this card
in this video he have intel motherboard so u are wrong u can install this card on intel motherboard
setlintun says:
u can install it on intel motherboard . crossfire means AMD multi GPU setup
John lerages says:
I am dealor of 3D cards and wana share that GTX 660 ti is bettet than GTX 660 at very small value.So if any one wana know which is best i know a lot better than u guys
so prefer 660 Ti if there is no problum of money
John lerages says:
Mr sheraz says HD 7870 is much cheaper than 660 660 ti,bro this card is about 370 dollers and the GTX 660 ti is about 275 dollers so what in a God name is the HD 7870 cheaper than Gtx 660 and 660 ti
John lerages says:
Dont talk if u dont know about prises
Soren says:
@John Lerages,

Don't talk about what you do or do not know when you can't even speak english. Get a life and don't go dissing other people MR "Better than you guys" You seem like a tosspot nub.

setlintun says:
lol , ahaha , chill
DaVe says:
Fight Fight Fight
Anonymous says:
i am from russia komunizm says me to buy ti
d says:
The NON Ti is better value for money but if you are looking for performance and are willing to pay an extra $100 or so go for the GTX 660Ti.
Alex says:
What would be the difference between an oveclocked 660 and the Ti version?
J-dawg says:
Speeds could be the same but you still have the advantage of having more capbilities from the start. Go with a cheaper Ti and you'll only be spending about 60$ more over the regular 660, providing you buy them new. Used you could probly get a smokin' deal on a Ti though.
Bapi Das says:
i want to buy a good gpu which one is good gtx 660 or hd 7870 plzz help....>>>
Karamba says:
the difference between the GTX 660OC and GTX 660Ti in games this 10 frames.
aqeelumar says:
which is gud for gaming
Portugal says:
if a Gtx 660 is affordable for 200€ and a Gtx 660 TI for over 300€, than i would expect it to be 50% as better, but in the case it's NOT, so i would go for the 660 NON Ti
Ingmar says:
Got the 660ti for au$239 cause there not selling. when the 660 is au$215. Thought that was a pretty good buy.
Harold says:
At this point, the 660ti gives more bang for the buck as my purchase was only around $20 extra for the ti.
Chad says:
HURDY derh HURRRRRngh HUFFGG
Ross says:
I got a remanufactured GTX 660 OC 2 GB for $159 with free shipping.
The 660 TI was just out of my price range, at $230, plus $15 shipping.
Both cards have similar performance, and I'd rather spend the extra $85 towards an SSD.
It just depends on what kind of deals you can get, and of course I'm limited by my 460 watt power supply until I can upgrade it.

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