Lenovo ThinkPad X240 vs Lenovo ThinkPad X270

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

Better figure, where one is clearly better

ThinkPad X240 compared with ThinkPad X270
LenovoThinkPad X240LenovoThinkPad X270
Overview
ReleasedOctober 2013March 2017
Display
Screen size12.5″12.5″
Resolution1366 × 768 or 1920 × 10801920 × 1080
PanelTN LCD or IPS LCDIPS LCD
Brightness200 nits, 300 nits or 400 nits (better)300 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 (220 nits), HD IPS (300 nits) or Full HD IPS (300 nits); optional ten-finger on-cell touch on Full HD
Screen finishAnti-glareAnti-glare
Performance
ProcessorIntel Core i5-4200U or Intel Core i5-4300UIntel Core i5-7200U
CPU cores22
CPU threads44
GraphicsIntel HD Graphics 4400Intel HD Graphics 620
Memory4 GB or 8 GB8 GB
Storage128 GB to 500 GB (better)256 GB
CPUFourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platformSixth- or seventh-generation dual-core Intel Core i3, i5 or i7
GPUIntegrated Intel HD Graphics 4400Integrated Intel HD Graphics 520 or 620
Memory typeDDR3L-1600; one SO-DIMM socket, up to 8 GBDDR4-2400; one SO-DIMM socket, up to 16 GB; clocks down to the processor's memory limit
Storage typeRemovable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slot2.5-inch SATA HDD/SSD or primary M.2 2280 PCIe 3.0 ×2 NVMe SSD; optional 128 GB SATA M.2 SSD in WWAN slot excludes WWAN and WiGig; listed configuration has a 256 GB PCIe SSD (Laptop Mag)
Battery and size
Battery life (maker's claim)Up to 8.7 hoursUp to 13.04 hours
Weight1.42 kg1.36 kg (better)
Thickness19.9 mm (better)20.3 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; removable external 23, 48 or 72 Wh; internal plus 23 Wh external up to 13.04 hours (MobileMark 2014), plus 48 Wh up to 20.1 hours, plus 72 Wh up to 26.9 hours; weight shown with internal and three-cell external batteries; listed CTO combination includes 72 Wh external battery
Charger45 W45 W or 65 W slim-tip or USB-C adapter
MaterialsGlass-fibre reinforced plasticGlass-fibre reinforced plastic display cover and bottom
ColoursBlackBlack
Connections
Ports2 × USB-A, Ethernet, SD card slot, headphone jackUSB-C, 2 × USB-A, HDMI, Ethernet, SD card slot, headphone jack
Wi-Fi802.11b/g/n or 802.11a/b/g/n; optional 802.11acOptional 802.11ac; optional 802.11ad WiGig in US models
BluetoothOptional Bluetooth 4.0Optional Bluetooth 4.1 under Windows
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 3.1 Gen 1 Type-A, one USB-C 3.1 Gen 1 with Power Delivery and DisplayPort, HDMI 1.4b, Gigabit Ethernet, combo audio, SD/MMC/SDHC/SDXC reader and docking connector; optional smart card and micro-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; USB-C up to 4096 × 2160 at 60 Hz, HDMI up to 4096 × 2160 at 24 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 microphoneOptional dual-array microphone
BiometricsOptional swipe fingerprint reader; TPM 1.2Optional touch fingerprint reader; discrete TPM 1.2 or 2.0; optional NFC

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