Tineco Pure One S11 vs S11 Spartan vs S11 Tango vs S11 Tango EX
The difference between S11, S11 Tango and S11 Spartan is the color and what accessories included:
The S11 is blue whereas the S11 Tango and S11 Spartan are grey.
The S11 Spartan comes with a Full-size LED Multi-tasker Power Brush,Hair Cleaning Tool,2-in-1 Dusting Brush,Crevice Tool,Wall Mount and Adapter.
The S11 comes with all accessories the S11 Spartan includes, and a Mini Power Brush,Pre Filter Cleaning Tool,Additional Microfiber Pre Filter.
The S11 Tango comes with all accessories the S11 includes, and a Full-size LED Soft-roller Power Brush.
The S11 Tango EX has all the accessories the S11 Tango includes, and an extra battery.

Tineco Pure One S12 M Lite vs S12 V vs S12 vs S12 Plus vs S12 Pro EX
The difference between Tineco Pure One S12 M Lite, S12 V, S12, S12 Plus and S12 Pro EX are as follows:

• Multi-tasker Power Brush
  The S12 M Lite and the S12 V have a Full-size LED Multi-tasker power brush as the one on the S11 models, while the other S12 models have Direct-drive LED Multi-tasker power brush.
  The difference between the Direct-drive LED Multi-tasker power brush and the regular Full-size LED Multi-tasker power brush is that:
  the Direct-drive LED Multi-tasker power brush has the motor on its brush head, while the Full-size LED Multi-tasker power brush has no motor on its brush head, it is powered by the main motor of the vacuum machine.
  Direct drive means there are no belts or gears connecting the motor and brush like on a regular brushroll, this commonly cuts the size of the vacuum.
• LED Display
  The S12 M Lite and the S12 V does NOT have LED display on the handheld part to monitor the cleaning performance as the other ones do.
  The LED display lets you know the condition of the vacuum machine when cleaning, it shows the remaining battery power,brushroll condition,dust monitoring loop,Auto mode,Air channel condition,dust sensor condition,Wi-Fi indicator,power indicator.
• Phone Mount
  The S12 M Lite has a onboard phone holder on the hand held part,
  the S12 V has magnetic phone mount with NFC connection,
  whereas the other ones do not feature these.
• Battery & Run Time
  The S12 M Lite comes with two 21.6V 2000mAh Li-ion batteries, each fully charged battery runs up to 40 minutes;
  the S12 V comes with one 21.6V 2500mAh Li-ion battery, runs up to 50 minutes;
  the S12 and S12 Plus/S12 Pro EX comes with two 21.6V 2500mAh Li-ion battery which extend the run time up to 100 minutes.
• Cleaning Modes
  The S12 M Lite and the S12 V have the Auto and Max modes whereas the S12 and the S12 Pro/S12 PRO EX has Auto and Manual mode which allows you to adjust the suction manually.
• The S12 PLUS and S12 PRO EX are the same thing just with different packaging.
• The only difference between S12 and S12 Pro/S12 PRO EX is that the S12 Pro/S12 PRO EX has a Soft Roller Power brush which the S12 does not have.

Tineco Pure One S11 Series vs S12 Series
The main difference between Tineco Pure One S11 Series and S12 Series are as follows:

• Cleaning Modes
  All the S11 models have 2 cleaning modes: Auto and Max,
  while the S12 series have 2 versions:
  the S12 M Lite and the S12 V have the Auto and Max modes like the S11 series,
  the S12 and the S12 Pro/S12 PRO EX replace the Max mode with a Manual mode which is a power control slider embedded with a capacitive touch bar that allows you to adjust the power.
• Display
  The S12 M Lite and the S12 V do NOT have LED display, (they have mount for smartphone),
  While the S11 models and other S12 models feature the LED display.
  When compared to the S11 series LED display, the S12 series add a Battery Level and a Power Indicator to the LED display.
  The Battery Level indicator shows the remaining battery power.
  The Power Indicator shows the power level, it changes according to the amount of dust detected.
• Motor & Max Power
  The S11 series equipped with a 450W motor which generates up to 130W suction power whereas the S12 series have a 500W motor to produce up to 145W suction power.
• Pre Filter Cleaning Tool
  The S11 models, S12 M Lite and the S12 V come with a Pre Filter Cleaning Tool whereas the S12 and the S12 Pro/S12 PRO EX come with an Automatic pre-filter cleaning Tool.
  Not much difference between them, the automatic one is simpler to use, both of them are designed to make the filter last longer.
• Accessories
  Each model includes different amount of accessories, and the tools in the packaging may change from time to time. Please always make sure what are included before buying.

Tineco Pure One X vs S11 Series
The main difference between Tineco Pure One X and S11 Series are as follows:

• Battery
  The Tineco Pure One X has a built in battery whereas the S11 series have a detachable battery.
• Run Time
  The Pure One X runs up to 70 minutes while the S11 runs up to 40 minutes.
• Motor & Suction Power
  The Pure One X motor rated power is 260W and it generates up to 80W suction power whereas the S11 has 450W motor that generates up to 130W suction power.
• LED Display
  The Pure One X has no LED display on the hand portion whereas the S11 has LED display to show working status and cleaning information.
• Bin Capacity
  The Pure One X has a smaller bin which holds up to 400ML versus 600ML on the S11.

Similarities between them:
All of them are cordless, powered by lithium ion battery.
2 in 1 design: can be a stick or a handheld vacuum.
Carry 2-year limited warranty for whole units, 1 year limited warranty for battery.
4 Stage Full Sealed Filtration System with HEPA Filter.
Nozzle with LED headlights.
No brush roll On/Off control.
Wand is not telescopic.
Features iLoop Dust Sensor that senses dirt and debris, automatically adjusts suction power level according to the amount of dust it sensors.
Smart App Integration to get cleaning report, receive reminders, tech supports, automatic troubleshooting, etc.
Allow you to use the Trigger type power control or Continuous Power mode without holding down the button all the time.
They are bagless.

The main difference between the Tineco A10 and A11 series is the motor, battery and dust cup capacity.
(Tineco A10 Series:Tango,Hero,Spartan,Dash;
A11 Series: Hero,Hero EX,Master Plus,Tango)

• Motor
  The Tineco A11 series have a 450W motor which generates up to 120W suction power whereas the A10 series has a 350W motor which creates up to 110W suction power (except A10 Dash which has a 300W motor that produces up to 90W suction power).
• Battery
  The A10 series feature 2000mAh battery which runs up to 25 minutes on regular mode and 10 minutes on Max mode, whereas the A11 series have a 2500mAh battery which runs up to 40 minutes on regular mode and 12 minutes on Max mode (except A11 Master and Master Plus which have 2000mAh battery, but they come with two batteries to run up to 50 minutes).
  Please note that the A10 Dash model has a built-in battery whereas the others have a detachable battery.
• Bin Capacity
  The A10 series dust cup holds up to 40ml versus 60ml on the A11 series. Larger capacity means less empty required.
• Weight
  The A10 series is a bit lighter than the A11 series.
  The A10 series vacuum main body weighs 2.87 pounds versus 3.3 pounds on the A11 series.
• Storage & Charging Dock
  The A10 series old packages come with a single charging floor storage Dock or a single charging wall mount dock, but it seems that some new versions come with a dual charging wall mount dock; the A11 series come with a dual charging, (the A11 Master used to come with a floor charging dock).
  Always double check what types of dock are included by contacting the seller before buying.
• Accessories
  The vacuum models within Tineco A10 series and A11 series come with different accessories.
  You can read comparison of the Tineco A10 series and the difference between Tineco A11 series models here.

If you want one with the most accessories, you can consider the A11 Master Plus; if you want one with an extra battery, you can consider the A11 Hero EX, Master, Master Plus; if you want longer run time, you should buy the A11 models; if you want more powerful suction power, buy the A11 series.

Similarities:

• They are cordless, powered by rechargeable lithium ion battery.
• Bagless, have a dust cup that can be emptied by pressing one button.
• They have cleaner head that can handle multiple floor types, the motorized brushroll has no brush off control, you cannot turn it off when cleaning hard floors.
• They have regular and boost suction modes.
• They have trigger type of power control like Dyson cordless vacuum, but also add a lock for continuous cleaning with no need to keep holding down the trigger.
• Nozzle have LED headlights.
• Come with a straight wand which is not telescopic.
• Recharge time is approximately 3 to 4 hours.
• 4 Stages Full Sealed Filtration System to help
  capture and trap 99.97% of particles and emit non-allergenic air.
• Carry 2-year limited warranty for the vacuum, 1 year limited warranty for battery.

The difference between Tineco A10 Hero,Tango,Spartan and Dash is as follows:

• Battery
  The Tineco A10 Dash has a built-in battery whereas the Hero,Tango and Spartan have a detachable battery. With removable battery design, you can buy a second battery to extend the run time.
• Motor
  The Tineco A10 Dash equipped with a 300W brushless motor whereas the Hero,Tango and Spartan have a 350W motor.
• Accessories
  The Dash comes with a Full-size LED Multi-tasker Power Brush,2-in-1 Dusting Brush,Crevice Tool and Wall Mount;
  the Hero comes with a Full-size LED Multi-tasker Power Brush,Mini Power Brush,2-in-1 Dusting Brush,Crevice Tool,Hair Cleaning Tool,Pre Filter Cleaning Tool and Wall Mount;
  the Tango comes with a a Full-size LED Multi-tasker Power Brush,Full-size LED Soft-roller Power Brush,Mini Power Brush,2-in-1 Dusting Brush,Crevice Tool,Hair Cleaning Tool,Pre Filter Cleaning Tool,Extra Pre Filter and Wall Mount;
  the Spartan comes with a Full-size LED Multi-tasker Power Brush,2-in-1 Dusting Brush,Crevice Tool,Hair Cleaning Tool and Wall Mount Dock.

  P.S.
  Included accessories may vary from time to time, for example, the A10 Hero used to come with a Powerhouse floor storage dock, but the new version now comes with a Wall Mount.
  Please always make sure what are included by contacting the seller if you care about attachments.

• Color
  The A10 Dash is Purple,
  the A10 Hero is Space Blue,
  the A10 Tango is Space Blue,
  the A10 Spartan main colors are grey and silver.

Otherwise, they are the same.

Similarities:

• Stick & Handheld 2-in-1 design for tackling different cleaning jobs.
• Powered by 2000mAh lithium ion battery.
• No brush On/Off control.
• They cannot stand upright.
• Run up to 25 minutes runtime in regular mode, up to 10 minutes runtime in MAX mode.
• Recharging takes approximately 3-4 hours.
• 4-stage fully-sealed filtration system with HEPA filter to emit fresh air.
• LED headlights to help find hidden dirt.
• Have trigger and continuous power options to fit different preferences. You can use the trigger type switch button or lock the switch button for continuous power mode.
• Easy empty dust cup allows you to empty the bin by only pressing one button.
• Bagless and the bin capacity is 400ml.
• Backed by 2-year limited warranty for whole units, 1 year limited warranty for battery.

Download Tineco A10 series cordless vacuum manual to learn more:
https://us.tineco.com/upload/support/1554255981599306214.pdf

These Tineco A11 series vacuums are almost the same except for some tiny difference.
If you are deciding between them, here is the difference between Tineco A11 Hero,Hero EX,Master Plus and Tango:

• Number of Battery Included
  The A11 Hero and Tango come with one battery whereas the A11 Hero EX and Master Plus come with two batteries.
• Battery
  The Tineco A11 Hero,Hero EX and Tango have single 2500mAh battery whereas the Master Plus has 2 2000mAh batteries.
• Power Modes
  The Tineco A11 Hero,Hero EX and Tango have 3 power Modes: I,II,Max; whereas the Master Plus has 2 Modes: Normal,Max.
• Running Time
  Since the A11 Hero EX and Master Plus include dual batteries, the extra battery extends the running time. The A11 Hero EX runs up to 80 minutes, the Master Plus has 2 2000m mAh batteries, runs up to 50 minutes, whereas the Tineco A11 Hero and Tango run up to 40 minutes.
• Attachments
  The Tineco A11 Hero and Hero EX come with (1)Full-size LED Multi-tasker Power Brush,(1)Mini Power Brush,(1)Pre Filter Cleaning Tool,(1)Hair Cleaning Tool,(1)2-in-1 Dusting Brush,(1)Additional Microfiber Pre Filter,(1)Crevice Tool,(1)Dual Charging Wall Mount and (1)Adapter.

  The A11 Tango comes with all the above accessories and (1)Full-size LED Soft-roller Power Brush.

  The A11 Master Plus comes with all accessories Tango includes, and (1)Flexible Crevice Tool.
  

  

  Tool screenshot from tineco.com

  
  P. S.
  The included attachments may vary from time to time. For example, the A11 Master Plus used to have a Soft Dusting Brush, a Multi-angle Folding Tube, and a Flexible Extension Hose. But now, these tools are not included.
  So please always make sure what are included by contacting the seller before placing an order.
• Color
  The A11 Master+ is in Emerald whereas the others are blue.

Tineco A11 Master vs A11 Master Plus
The difference between A11 Master and A11 Master Plus is the charging dock. The A11 Master comes with a Powerhouse floor charging dock while the A11 Master Plus comes with a wall-mounted charging dock.
Otherwise, they are the same.

Similarities:

• Stick & Handheld 2-in-1 design for tackling both floor and above floor cleaning jobs, also for cars and boats cleaning.
  Motorized brushroll with no brush On/Off control.
  Not self cleaning brush.
• They cannot stand by their own.
• User friendly detachable battery design allows you to easily swap batteries if you get an additional battery.
• Take approximately 3-4 hours to recharge.
• 4-stage fully-sealed filtration system with HEPA filter to capture small particles and expel clean air.
• LED headlights to help clean low light areas.
• Have trigger and continuous power options. You can choose to keep pressing the switch button to vacuum or lock the switch button for continuous power mode without holding down all the time.
• Bagless and the dust cup capacity is 600ml.

Read Comparison of Tineco A11 Hero,Hero EX,Master Plus,and Tango here, learn the difference between them and make an informed purchase.