_____ _ _ _ ____ _ ____ ___ ___ ___ ____ ___ _ ___ |_ _| |__ (_)_ __ | | _| _ \ __ _ __| |_ |___ \ / _ \ / _ \ / _ \ |___ \ / _ \/ |/ _ \ | | | '_ \| | '_ \| |/ / |_) / _` |/ _` (_) __) | | | | | | | | | |_____ __) | | | | | (_) | | | | | | | | | | | <| __/ (_| | (_| |_ / __/| |_| | |_| | |_| |_____/ __/| |_| | |\__, | |_| |_| |_|_|_| |_|_|\_\_| \__,_|\__,_(_) |_____|\___/ \___/ \___/ |_____|\___/|_| /_/ . . ↑ # # 2000 T20 A20m A20p . ↑ │ ┌───────┤ │ . X20 T21 A21e A21m A21p . ├───────┐ │ │ │ │ 2001 X21 TransNote T22 A22e A22m A22p . │ │ └───────┤ │ ↑ . X22 T23 A30 A30p R30 . │ │ │ │ │ 2002 X23 │ │ │ R31 . │ │ │ │ │ . X24 T30 A31 A31p R32 . │ │ ├───────┘ │ . X30 │ │ │ . │ ├───────────────┐ │ │ 2003 X31 T40 T40p G40 R40 . │ │ │ │ ┌───────┼───────┐ . │ T41 T41p │ R50p R50 R40e . ├───────┐ │ │ │ └───────┤ │ 2004 │ X40 T42 T42p G41 R51 R50e . IBM ThinkPad │ ├───────────────┐ │ │ │ │ │ # # 2005 ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ X32 X41 X41T T43 T43p │ R52 R51e Z60t Z60m/e . Lenovo ThinkPad │ │ │ │ │ │ │ │ │ ├───────┐ 2006 X60 X60s X60T T60 T60p G50 R60 R60e Z61t Z61m/e Z61p . │ ├───────┐ │ │ │ │ │ 2007 X61 X61s ResEd X61T T61 T61p R61 R61i . │ ├───────┐ │ ┌───────┴───────┐ ├───────┬───────┐ ├───────┤ # # # 2008 X200 X200s X300/1 │ T400 T500 W500 W700 W700ds R500 R400 SL500 SL400 SL300 . │ │ │ ├───────┐ │ │ │ │ │ │ │ │ │ 2009 │ │ X200T │ T400s │ │ │ │ L510 L410 SL510 SL410 │ . │ │ ┌───────┘ │ │ │ │ │ │ │ │ │ │ │ # # # 2010 X201* X201s X201T T410* T410s* T510* W510 W701 W701ds L512 L412 Edge 15 Edge 14 Edge 13 Edge 11 X100e Mini10 . # │ │ │ │ │ │ │ │ │ │ │ │ └──┬───┘ # # # 2011 X1 X220* X220T T420* T420s* T520* W520 L520 L420 E520/5 E420/5 E320/5 E120/5 X120/1e E220s E420s Tablet-1 . │ ├───────┐ │ ┌───────┤ │ │ │ │ │ │ │ │ │ │ │ ├───────┐ │ ┌ ─ ─ ─ ─ ─ ─ ─ ─ 2012 X1C-1 X230* X230s X230T T430u T430* T430s*/1s T530* W530 L530 L430 E530/1/5 E430/1/5 E330/5 E130/5 X130/1e Twist S431 S531 Tablet-2 ┆ 51nb ThinkPad . # │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ┆ # 2013 Helix-1 │ X240 X240s T440 T440p T440s T540p W540/1 L540 L440 E540/5 E440/5 E145 X140e Yoga S440 S540 │ ┆ T50 . │ │ │ │ │ │ │ │ │ │ │ │ └───┬───────┘ ├───────┐ ├───────┐ ┆ │ 2014 │ X1C-2 │ │ │ │ │ │ │ │ │ │ 11e‡-1 │ Y.14-1 10-1 8 ┆ │ . │ │ │ │ │ │ │ ├───────────────┬───────┐ │ │ │ │ │ │ │ │ ┆ │ 2015 Helix-2 X1C-3 X250 T450 │ T450s T550 W550s │ │ │ L450 E550/5 E450/5 11e‡-2 Y.12 Y.14-2 10-2 ┆ │ . │ ┌───────┤ │ │ │ │ │ ├───────┐ │ │ │ │ │ │ │ │ │ # │ 2016 X1T-1 X1Y-1 X1C-4 X260 T460 T460p T460s T560 P50s P40Y P50 P70 L560 L460 E560/5 E460/5 11e‡-3 Y.260 Y.460 13-1 X62 . │ │ │ ├───────┐ ┌───────┬───────┤ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 2017 X1T-2 X1Y-2 X1C-5 X270 A275 25AE A475 T470 T470p T470s T570 P51s P51 P71 L570 L470 E570/5 E470/5 11e‡-4 Y.370 13-2 T70 . │ │ │ # │ │ │ ├───────┘ │ │ │ # │ │ │ │ │ ├───────────────────┐ │ ├───────┐┌──────┤ │ 2018 X1T-3 X1Y-3 X1C-6 X1E-1 X280 A285 A485 T480 T480s T580 P52s P1 P52 P72 L580 L480 E580/5 E480/5 R480 11e‡-5 X380Y L380Y L380 X210 . │ │ │ ├───────┘ └───────┤┌──────────────┤ │ │ │ │ ├───────────┐ │ │ │ │ 2019 X1Y-4 X1C-7 X1E-2 X390/5 T490/5/HE T490s/5s T590 L590 L490 E590 E490 E490s R490 X390Y L390Y L390 . - the "s" suffix indicates design goals for thinness, lighter weight, and usually more premium materials - the "p" suffix indicates a variant with potential for a more powerful processor - the "u" suffix in the T430u could mean "ultrabook"; discontinued due to widespread ULV CPU adoption in the Haswell generation - the "T" suffix is short for " Tablet" - "Y"/"Y." is short for "Yoga" - /1 includes a variant with a minor update; eg: W540/1 = W540 and W421 - /5 includes a variant with an AMD processor; eg: X390/5 = X390 and X395 - "↑" indicates the branch continues from older IBM models - "#" indicates the start of a new branch * also includes models with the "i" suffix (or "si" for T410si, T420si, T430si), indicating weaker processors than the base models ‡ four variants of the ThinkPad 11e were sold in each generation: Windows, Chromebook, Yoga (Windows), and Yoga (Chromebook) Sources: Thinkwiki.org, Thinkwiki.de, /r/ThinkPad, Notebookcheck, Lenovo PSREF Text to ASCII art generated with the program found at http://patorjk.com/software/taag/ Code page 437 single-line box drawing characters: ─ ┌ ┐ └ ┘ ├ ┤ ┬ ┴ ┼ ↑ v2019-03-28