Lenovo ThinkPad T14 Gen 1 (AMD) vs Lenovo ThinkPad T400

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ThinkPad T14 Gen 1 (AMD) compared with ThinkPad T400

	LenovoThinkPad T14 Gen 1 (AMD)	LenovoThinkPad T400
Overview
Released
Released	2020	August 2008
Display
Screen size
Screen size	14″	14.1″
Resolution
Resolution	1920 × 1080 (better)	1280 × 800
Panel
Panel	IPS LCD	–
Brightness
Brightness	400 nits (better)	185 nits
Touchscreen
Touchscreen	No	No
Display type
Display type	Listed 400-nit low-power FHD IPS display; other options include 220-nit HD TN, 250-nit FHD IPS, 300-nit touch FHD IPS and 500-nit touch Privacy Guard FHD IPS	14.1-inch WXGA or WXGA+ LCD; CCFL and LED options; listed configurations use the 185-nit WXGA CCFL panel
Colour range
Colour range	Listed low-power FHD panel 72% NTSC; 45% NTSC on standard FHD and HD options	–
Screen finish
Screen finish	Anti-glare	Anti-glare
Performance
Processor
Processor	AMD Ryzen 5 PRO 4650U	Intel Core 2 Duo P8400 or Intel Core 2 Duo P8600
CPU cores
CPU cores	6	2
CPU threads
CPU threads	12	–
Graphics
Graphics	AMD Radeon Graphics	Intel Graphics Media Accelerator 4500MHD
Memory
Memory	16 GB (better)	2 GB
Storage
Storage	512 GB (better)	128 GB to 160 GB
CPU
CPU	Ryzen 3 PRO 4450U, Ryzen 5 PRO 4650U or Ryzen 7 PRO 4750U; listed Ryzen 5, 16 GB soldered memory, 512 GB SSD and low-power FHD configuration is exact campus model 20UES00H00 tested by Notebookcheck	Intel Core 2 Duo with 1066 MHz front-side bus; listed configurations are factory 7417-T1U and 7417-PAU
GPU
GPU	Integrated AMD Radeon Graphics; no discrete graphics option	Intel GMA 4500MHD in the GM45 chipset on listed configurations; optional ATI Mobility Radeon HD 3470 with switchable graphics on other models
Memory type
Memory type	DDR4-3200; 8 or 16 GB soldered plus one SO-DIMM socket; maker specifies up to 24 or 32 GB respectively	DDR3-1066 PC3-8500; two SO-DIMM sockets, up to 8 GB
Storage type
Storage type	One M.2 SSD; 2242 PCIe 3.0 ×2 or 2280 PCIe 3.0 ×4 NVMe; listed 512 GB configuration verified by Notebookcheck	Removable 2.5-inch SATA HDD or 1.8-inch SATA SSD; listed configurations have 160 GB 5400 rpm HDD and 128 GB SSD respectively; optional second disk in Ultrabay
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 14 hours	Up to 6.5 hours
Battery capacity
Battery capacity	50 Wh	–
Weight
Weight	1.46 kg (better)	2.3 kg
Thickness
Thickness	17.9 mm (better)	32 mm
Width × depth
Width × depth	329 × 227 mm	335.5 × 270 mm
Battery life detail
Battery life detail	Integrated 50 Wh lithium-polymer battery; stated 14 hours MobileMark 2014 or 11.5 hours MobileMark 2018; headline maker starting weight 1.46 kg for low-power FHD/Privacy Guard, 1.55 kg for other displays	Four-, six- or nine-cell removable battery; six-cell up to 6.5 hours, six-cell plus Ultrabay battery up to 8 hours, nine-cell up to 9.8 hours; dimensions and starting weight shown with six-cell battery
Charger
Charger	45 W or 65 W USB-C adapter, depending on configuration and country	65 W adapter with integrated graphics; 90 W for discrete graphics
Fast charging
Fast charging	Up to 80% in one hour with a 65 W adapter	–
Materials
Materials	Glass-fibre reinforced PPS lid and polyamide bottom; magnesium reinforcement in keyboard cover	Super-Elastic PolyCarbonate lid, carbon-fibre reinforced plastic bottom and magnesium roll cages
Colours
Colours	Black	Black
Connections
Ports
Ports	2 × USB-A, 2 × USB-C, HDMI, Ethernet, microSD slot, headphone jack	3 × USB-A, Ethernet, headphone jack
Wi-Fi
Wi-Fi	Intel Wi-Fi 6 AX200, 2×2 in listed configuration; later PSREF also lists MediaTek and Realtek Wi-Fi 6 alternatives	802.11a/b/g/n; optional WiMAX
Bluetooth
Bluetooth	Bluetooth 5.1; hardware ready for 5.2, subject to operating-system support	Optional Bluetooth 2.1
Webcam
Webcam	720p with ThinkShutter; optional combined IR and 720p camera or no camera	Optional 1.3-megapixel fixed-focus camera
Operating system
Operating system	Windows	Windows
Port detail
Port detail	Two USB-A 3.2 Gen 1 ports, one always-on; two USB-C 3.2 Gen 2 ports with Power Delivery and DisplayPort 1.4, HDMI 2.0, RJ-45, microSD, combo audio and side dock; optional smart card and nano-SIM	Three USB 2.0, VGA, Gigabit Ethernet, RJ-11 modem, FireWire 400, separate microphone and headphone jacks, ExpressCard/54 and docking connector; PC Card and seven-format card reader vary by model
External displays
External displays	Native screen plus three external monitors; HDMI up to 4K at 60 Hz, USB-C up to 5K at 60 Hz	VGA up to 2048 × 1536 at 75 Hz; DVI pass-through via compatible optional dock
Keyboard
Keyboard	Six-row spill-resistant keyboard; optional backlight	89-key spill-resistant keyboard; ThinkLight illuminates the keys
Trackpad
Trackpad	Mylar multi-touch touchpad and TrackPoint	UltraNav touchpad and TrackPoint with separate buttons
Speakers
Speakers	Stereo 2 W × 2 with Dolby Audio	Stereo speakers, 1 W
Microphones
Microphones	Dual-array far-field microphones; no-microphone option	Digital microphone
Biometrics
Biometrics	Optional match-on-chip fingerprint reader or IR camera; discrete TPM 2.0	Optional swipe fingerprint reader; TPM 1.2