gen 1

Model Release (US) Dimensions Weight (min) CPU Chipset Memory (max) Graphics Storage Networking Screen Battery Other
14"
X1 Carbon (1st Gen)[1]
(3443, 3444, 3446, 3448, 3460, 3462, 3463)
2012 331 x 226 x 18.8mm 1.36 kg (3.0 lb) 3rd Gen Intel Core:
i5-3317U / i5-3337U / i5-3427U
i7-3667U
4/8 GiB DDR3L 1333 MHz
(soldered)
Intel HD 4000 One SATA (proprietary connector[2]) Mini Gigabit Ethernet
Wi-Fi + BT M.2 Card
Optional WWAN M.2 Card
Anti-glare:
1366 × 768 TFT
m Soldered charging port
331 x 226 x 18.8mm 1.36 kg (3.0 lb) Anti-glare:
1600 × 900 TFT
331 x 226 x 20.8mm 1.54 kg (3.4 lb) Anti-glare:
1600 × 900 TFT Touch


gen 2

Model Release (US) Dimensions Weight (min) CPU Chipset Memory (max) Graphics Storage Networking Screen Battery Other
14"
X1 Carbon (2nd Gen)[3]
(20A7, 20A8)
2014 331 x 226.8 x 18.16mm 1.34 kg (3.0 lb) 4th Gen Intel Core:
i5-4200U / i5-4210U / i5-4300U
i7-4600U
4/8 GiB DDR3L 1600 MHz
(soldered)
Intel HD 4400 One M.2 SATA Mini Gigabit Ethernet
Wi-Fi + BT M.2 Card
Optional WWAN M.2 Card
Anti-glare:
1600 × 900
m Soldered charging port
331 x 226.5 x 17.72mm 1.28 kg (2.8 lb) Anti-glare:
2560 × 1440 IPS
331 x 227.1 x 18.46mm 1.43 kg (3.2 lb) Anti-glare:
2560 × 1440 IPS Touch

gen 3

Model Release (US) Dimensions Weight (min) CPU Chipset Memory (max) Graphics Storage Networking Screen Battery Other
14"
X1 Carbon (3rd Gen)[4]
(20BS, 20BT)
2015 331 x 226.8 x 18.16mm 1.359 kg (3.00 lb) 5th Gen Intel Core:
i5-5200U / i5-5300U
i7-5500U / i7-5600U
4/8/16 GiB DDR3L 1600 MHz
(soldered)
Intel HD 5500 One M.2 PCIe x4 or SATA Mini Gigabit Ethernet
Wi-Fi + BT M.2 Card
Optional WWAN M.2 Card
Anti-glare:
1920 × 1080
m Soldered charging port
331 x 226.5 x 17.72mm 1.305 kg (2.88 lb) Anti-glare:
2560 × 1440 IPS
331 x 227.1 x 18.46mm 1.44 kg (3.2 lb) Anti-glare:
2560 × 1440 IPS Touch


  1. ^ "ThinkPad X1 Carbon 1st Gen PSREF" (PDF). lenovo.com.
  2. ^ "X1 Carbon Model 3443 SSD interface". lenovo.com.
  3. ^ "ThinkPad X1 Carbon 2nd Gen PSREF" (PDF). lenovo.com.
  4. ^ "ThinkPad X1 Carbon 3rd Gen PSREF" (PDF). lenovo.com.