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Lenovo ThinkPad X230 vs Lenovo ThinkPad X240

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

Better figure, where one is clearly better

LenovoThinkPad X230LenovoThinkPad X240
Overview
ReleasedJune 2012October 2013
Display
Screen size12.5″12.5″
Resolution1366 × 7681366 × 768 or 1920 × 1080
PanelIPS LCDTN LCD or IPS LCD
Brightness200 nits or 300 nits200 nits, 300 nits or 400 nits
TouchscreenNoNo or Yes
Display type12.5-inch HD 1366 × 768 LED-backlit LCD; standard 200-nit or Premium 300-nit IPS WideView option12.5-inch HD TN (200 nits), HD IPS (300 nits), or Full HD IPS (400 nits); optional ten-finger touch
Screen finishAnti-glareAnti-glare
Performance
ProcessorIntel Core i5-3210M or Intel Core i7-3520MIntel Core i5-4200U or Intel Core i5-4300U
CPU cores22
CPU threads44
GraphicsIntel HD Graphics 4000Intel HD Graphics 4400
Memory4 GB4 GB or 8 GB
Storage128 GB to 320 GB128 GB to 500 GB
CPUThird-generation Intel Core dual-core processors; QM77 chipsetFourth-generation Intel Core i3, i5 and i7 dual-core low-voltage processors; SoC platform
GPUIntegrated Intel HD Graphics 4000Integrated Intel HD Graphics 4400
Memory typeDDR3-1600; two SO-DIMM sockets, up to 16 GBDDR3L-1600; one SO-DIMM socket, up to 8 GB
Storage typeRemovable 2.5-inch SATA HDD or SSD; optical drive via optional Ultrabase Series 3; selected models support mSATA SSD instead of WWANRemovable 2.5-inch SATA HDD, SSD or SSHD; optional M.2 SSD shares space with WWAN or smart card reader, depending on slot
Battery and size
Battery life (maker's claim)Up to 10.3 hoursUp to 8.7 hours
Battery capacity62.4 Wh–
Weight1.5 kg1.42 kg
Thickness26.6 mm19.9 mm
Width × depth305 × 206.5 mm305.5 × 208.5 mm
Battery life detailFour-cell 28.8 Wh, up to 4.6 hours; six-cell 62.4 Wh, up to 10.3 hours; nine-cell 93.6 Wh, up to 15.5 hours; 64 Wh external battery, up to 10.6 hours; nine-cell plus external, up to 26.1 hours; weight shown with six-cell batteryOptional 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-touch
Charger65 W45 W
MaterialsMagnesium and PCABS display cover; magnesium-alloy bottomGlass-fibre reinforced plastic
ColoursBlackBlack
Connections
Ports3 × 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/n802.11b/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 and one powered USB 2.0; VGA, Mini DisplayPort, Gigabit Ethernet, audio combo, SD/MMC/SDHC/SDXC reader, ExpressCard/34/54 and Ultrabase docking connectorTwo 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 connector
External displaysUp to 2560 × 1600 at 60 Hz via Mini DisplayPort; 2048 × 1536 at 75 Hz via VGAThree independent displays; Mini DisplayPort up to 3840 × 2160 at 30 Hz on integrated graphics; VGA up to 1920 × 1200 at 60 Hz
KeyboardSix-row spill-resistant keyboard; TrackPoint; optional backlight and ThinkLight overhead illuminationSix-row spill-resistant keyboard; TrackPoint; optional backlight
TrackpadUltraNav multi-touch touchpadUltraNav multi-touch touchpad; five buttons integrated into the clickpad
Speakers1 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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