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Lenovo ThinkPad X240 vs Lenovo ThinkPad X250

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

LenovoThinkPad X240LenovoThinkPad X250
Overview
ReleasedOctober 2013February 2015
Display
Screen size12.5″12.5″
Resolution1366 × 768 or 1920 × 10801366 × 768
PanelTN LCD or IPS LCDIPS LCD
Brightness200 nits, 300 nits or 400 nits300 nits
TouchscreenNo or YesNo
Display type12.5-inch HD TN (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); optional ten-finger touchHD (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); touch IPS versions rated at 270 nits for HD and 360 nits for Full HD
Screen finishAnti-glareAnti-glare
Performance
ProcessorIntel Core i5-4200U or Intel Core i5-4300UIntel Core i5-5200U
CPU cores22
CPU threads44
GraphicsIntel HD Graphics 4400Intel HD Graphics 5500
Memory4 GB or 8 GB8 GB
Storage128 GB to 500 GB256 GB
CPUFourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platformFourth- or fifth-generation dual-core Intel Core processors; listed configuration uses fifth-generation Core i5
GPUIntegrated Intel HD Graphics 4400Intel HD Graphics 5500 on fifth-generation models
Memory typeDDR3L-1600; one SO-DIMM socket, up to 8 GBDDR3L-1600; one SO-DIMM socket, up to 16 GB on fifth-generation processors or 8 GB on Core i5-4300U models
Storage typeRemovable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slotSATA HDD, SSD or SSHD; optional M.2 SSD; listed configuration has 256 GB SSD (Notebookcheck)
Battery and size
Battery life (maker's claim)Up to 8.7 hoursUp to 10.7 hours
Weight1.42 kg1.42 kg
Thickness19.9 mm20.3 mm
Width × depth305.5 × 208.5 mm305.5 × 208.5 mm
Battery life detailOptional internal 23.5 Wh battery; removable external 23.5 Wh, 47.5 Wh or 72 Wh battery; internal plus 23.5 Wh external up to 8.7 hours, plus 47.5 Wh up to 13.1 hours, plus 72 Wh up to 17.4 hours; weight shown with internal and three-cell external batteries, non-touchOptional internal 23 Wh battery; removable external 23, 48 or 72 Wh battery; internal plus 23 Wh external up to 10.7 hours, plus 48 Wh up to 16 hours, plus 72 Wh up to 21.4 hours; weight shown with internal and three-cell external batteries, non-touch
Charger45 W45 W
MaterialsGlass-fibre reinforced plasticGlass-fibre reinforced lid and bottom; carbon-fibre reinforced lid on touch models
ColoursBlackBlack
Connections
Ports2 × USB-A, Ethernet, SD card slot, headphone jack2 × USB-A, Ethernet, SD card slot, headphone jack
Wi-Fi802.11b/g/n or 802.11a/b/g/n; optional 802.11ac802.11b/g/n or 802.11a/b/g/n; optional 802.11ac
BluetoothOptional Bluetooth 4.0Optional Bluetooth 4.0
WebcamOptional 720pOptional 720p
Operating systemWindowsWindows
Port detailTwo USB 3.0 (one Always On), VGA, Mini DisplayPort, Gigabit Ethernet, combo audio jack, SD/MMC/SDHC/SDXC reader, optional smart card and SIM slot; docking connectorTwo USB 3.0, VGA, Mini DisplayPort, Gigabit Ethernet, combo audio, SD/MMC/SDHC/SDXC reader and docking connector; optional smart card and SIM slot
External displaysThree independent displays; Mini DisplayPort up to 3840 × 2160 at 30 Hz on integrated graphics; VGA up to 1920 × 1200 at 60 HzThree independent displays; Mini DisplayPort up to 3840 × 2160 at 60 Hz, VGA up to 1920 × 1200 at 60 Hz
KeyboardSix-row spill-resistant keyboard; TrackPoint; optional backlightSix-row spill-resistant keyboard; optional backlight
TrackpadUltraNav multi-touch touchpad; five buttons integrated into the clickpadMulti-touch Mylar clickpad; TrackPoint with dedicated buttons
Speakers1.5 W × 2 stereo speakers1.5 W × 2 stereo speakers
MicrophonesDual-array microphoneDual-array microphone
BiometricsOptional swipe fingerprint reader; TPM 1.2Optional swipe fingerprint reader; TPM 1.2

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