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Lenovo ThinkPad X270 vs Lenovo ThinkPad X61

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

Better figure, where one is clearly better

LenovoThinkPad X270LenovoThinkPad X61
Overview
ReleasedMarch 2017June 2007
Display
Screen size12.5″12.1″
Resolution1920 × 10801024 × 768
PanelIPS LCD–
Brightness300 nits150 nits
TouchscreenNoNo
Display typeHD (220 nits), HD IPS (300 nits) or Full HD IPS (300 nits); optional ten-finger on-cell touch on Full HD12.1-inch 4:3 XGA TFT LCD with 300:1 maker contrast; native refresh and panel subtype unpublished in PSREF
Screen finishAnti-glareAnti-glare
Performance
ProcessorIntel Core i5-7200UIntel Core 2 Duo T7300
CPU cores22
CPU threads4–
GraphicsIntel HD Graphics 620Intel Graphics Media Accelerator X3100
Memory8 GB1 GB
Storage256 GB120 GB
CPUSixth- or seventh-generation dual-core Intel Core i3, i5 or i7Listed US 7675-4KU has dual-core Core 2 Duo T7300 at 2.00 GHz, 800 MHz bus and 4 MB L2 cache; later configurations added T7250, T7500, T8100 or T8300
GPUIntegrated Intel HD Graphics 520 or 620Intel GMA X3100 integrated in GM965; external VGA only, no DVI output
Memory typeDDR4-2400; one SO-DIMM socket, up to 16 GB; clocks down to the processor's memory limitListed 7675-4KU has 1 GB PC2-5300 DDR2-667 in one socket; two 200-pin SO-DIMM sockets, maker 4 GB maximum
Storage type2.5-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)Listed 7675-4KU has 120 GB 5400 rpm SATA 1.5 Gb/s hard drive; replaceable 9.5 mm disk with shock mount and Active Protection System; optical drive available through optional X6 UltraBase
Battery and size
Battery life (maker's claim)Up to 13.04 hoursUp to 3.9 hours
Weight1.36 kg1.41 kg
Thickness20.3 mm35 mm
Width × depth305.5 × 208.5 mm268 × 211 mm
Battery life detailOptional 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 batteryListed four-cell enhanced lithium-ion battery has maker maximum 3.9 hours; eight-cell up to 7.8 hours or eight-cell plus Extended Life Battery up to 10.7 hours. Headline starting weight 1.41 kg and depth 211 mm apply to four-cell without UltraBase; eight-cell starts at 1.63 kg and depth 238 mm. Maker height range 20–35 mm, maximum 35 mm listed
Charger45 W or 65 W slim-tip or USB-C adapter65 W AC adapter
MaterialsGlass-fibre reinforced plastic display cover and bottomMagnesium-alloy casing
ColoursBlackBlack
Connections
PortsUSB-C, 2 × USB-A, HDMI, Ethernet, SD card slot, headphone jack3 × USB-A, Ethernet, SD card slot, headphone jack
Wi-FiOptional 802.11ac; optional 802.11ad WiGig in US modelsIntel PRO/Wireless 3945ABG, 802.11a/b/g on listed US 7675-4KU
BluetoothOptional Bluetooth 4.1 under WindowsBluetooth 2.0
WebcamOptional 720pNo built-in webcam listed
Operating systemWindowsWindows
Port detailTwo 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 slotThree USB 2.0, VGA, RJ-11 modem, Gigabit RJ-45, four-pin FireWire 400, SD slot, CardBus slot and separate microphone/headphone jacks; X6 UltraBase optional, with additional ports and Ultrabay Slim
External displaysThree independent displays; USB-C up to 4096 × 2160 at 60 Hz, HDMI up to 4096 × 2160 at 24 Hz–
KeyboardSix-row spill-resistant keyboard; optional backlight89-key spill-resistant keyboard, ThinkVantage button and ThinkLight; maker specifies 18.5 mm pitch and 2.5 mm travel
TrackpadMulti-touch Mylar clickpad; TrackPoint with dedicated buttonsNo touchpad; TrackPoint with Press-to-Select and scroll function
Speakers1.5 W × 2 stereo speakersMono 0.5 W speaker with dedicated volume/mute buttons
MicrophonesOptional dual-array microphoneInternal microphone and separate microphone-input jack
BiometricsOptional touch fingerprint reader; discrete TPM 1.2 or 2.0; optional NFCFingerprint reader on listed model; Atmel TPM 1.2, power-on, hard-drive and supervisor passwords

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