Lenovo ThinkPad T16 Gen 4 (Intel) vs Lenovo ThinkPad T420

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ThinkPad T16 Gen 4 (Intel) compared with ThinkPad T420

	LenovoThinkPad T16 Gen 4 (Intel)	LenovoThinkPad T420
Overview
Released
Released	June 2025	March 2011
Display
Screen size
Screen size	16″	14″
Resolution
Resolution	1920 × 1200 (better)	1366 × 768 or 1600 × 900
Panel
Panel	IPS LCD	–
Refresh rate
Refresh rate	60 Hz	–
Brightness
Brightness	400 nits or 500 nits (better)	200 nits or 250 nits
Touchscreen
Touchscreen	No or Yes	No
Display type
Display type	WUXGA IPS, 16:10; 400-nit non-touch or on-cell touch, 500-nit low power, or 500-nit touch with ThinkPad Privacy Guard	14-inch 1366 × 768 (200 nits) or 1600 × 900 (250 nits) LED-backlit LCD; 300:1 contrast
Colour range
Colour range	45% NTSC (400-nit); 100% sRGB (500-nit)	–
Screen finish
Screen finish	Anti-glare	Anti-glare
Display features
Display features	1,000:1 contrast (1,200:1 on the low-power panel); Eyesafe Certified 2.0 on the touch and low-power panels; 87.22% screen-to-body ratio	–
Performance
Processor
Processor	Intel Core Ultra 5 225U, Intel Core Ultra 5 225H, Intel Core Ultra 5 226V, Intel Core Ultra 5 228V, Intel Core Ultra 5 235U, Intel Core Ultra 5 235H, Intel Core Ultra 5 236V, Intel Core Ultra 5 238V, Intel Core Ultra 7 255U, Intel Core Ultra 7 255H, Intel Core Ultra 7 258V, Intel Core Ultra 7 265U, Intel Core Ultra 7 265H or Intel Core Ultra 7 268V	Intel Core i5-2520M
CPU cores
CPU cores	8, 12, 14 or 16	2
CPU threads
CPU threads	8, 14 or 16	4
Graphics
Graphics	Intel Graphics, Intel Arc 130T, Intel Arc 130V, Intel Arc 140T or Intel Arc 140V	Intel HD Graphics 3000 or NVIDIA NVS 4200M
AI engine (NPU)
AI engine (NPU)	12 TOPS, 13 TOPS, 40 TOPS, 47 TOPS or 48 TOPS	–
Memory
Memory	16 GB, 32 GB or 64 GB (better)	4 GB
Storage
Storage	256 GB to 1 TB (better)	128 GB to 500 GB
CPU
CPU	Core Ultra 200U with 2 P-cores, 8 E-cores and 2 LP E-cores; Core Ultra 200H with 4 or 6 P-cores, 8 E-cores and 2 LP E-cores; Core Ultra 200V (Lunar Lake) with 4 P-cores and 4 LP E-cores; Intel vPro Enterprise on selected models	Second-generation Intel Core i3, i5 and i7 dual-core processors; QM67 chipset
GPU
GPU	Integrated Intel Graphics (200U), Intel Arc 130T or 140T (200H, with at least 16 GB dual-channel memory) or Intel Arc Graphics 130V or 140V (200V); shared memory, DirectX 12.2	Integrated Intel HD Graphics 3000; optional NVIDIA NVS 4200M with 1 GB and Optimus
AI engine
AI engine	Copilot+ PC with Core Ultra 200V (NPU up to 48 TOPS); Core Ultra 200U and 200H models are AI PCs with an NPU up to 13 TOPS	–
Memory type
Memory type	Core Ultra 200U and 200H, DDR5-5600 in two SODIMM or CSODIMM slots, up to 64 GB; Core Ultra 200V, LPDDR5X-8533 on the processor package, 16 or 32 GB, not upgradable	DDR3-1333; two SO-DIMM sockets, up to 8 GB
Storage type
Storage type	One M.2 2280 slot, PCIe 5.0 x4 with 200V and 200H processors or PCIe 4.0 x4 with 200U; NVMe SSD up to 2 TB, Opal 2.0	Removable 2.5-inch SATA HDD or SSD; removable Ultrabay Enhanced DVD burner; optional second drive adapter
Battery and size
Battery life (maker's claim)
Battery life (maker's claim)	Up to 21.4 hours	Up to 9 hours
Battery capacity
Battery capacity	86 Wh (better)	57 Wh
Weight
Weight	1.76 kg (better)	2.2 kg
Thickness
Thickness	18.14 mm (better)	30.5 mm
Width × depth
Width × depth	359.7 × 250.8 mm	340.5 × 233 mm
Battery life detail
Battery life detail	52.5 Wh or 86 Wh Li-ion; Core Ultra 5 225U with 52.5 Wh and low-power WUXGA, MobileMark 25 up to 11.5 hr, JEITA 3.0 up to 12.7 hr video and 24.1 hr idle, local video up to 21.4 hr; Core Ultra 5 225H with 52.5 Wh, local video up to 18.3 hr	MobileMark 2007: integrated graphics, six-cell 57 Wh up to 9 hours, nine-cell 94 Wh up to 15 hours, nine-cell plus slice up to 30 hours; Optimus up to 8.8 / 14.7 / 29.5 hours; four-cell option; weight shown with six-cell battery
Charger
Charger	100 W USB-C (PD 3.0) slim adapter; offerings vary by country	65 W; 90 W on Optimus models
Fast charging
Fast charging	Rapid Charge to 80% in 1 hour (52.5 Wh with a 65 W or 100 W adapter; 86 Wh with the 100 W adapter; when off, in standby or hibernating)	–
Materials
Materials	PC with 20% carbon fibre top and bottom covers	Carbon-fibre/glass-fibre hybrid display cover; carbon-fibre reinforced plastic bottom; magnesium roll cage
Colours
Colours	Black	Black
Connections
Ports
Ports	2 × Thunderbolt 4, 2 × USB-A, HDMI, Ethernet, headphone jack	4 × USB-A, Ethernet, SD card slot, headphone jack
Wi-Fi
Wi-Fi	Wi-Fi 7 or Wi-Fi 6E	802.11b/g/n or 802.11a/b/g/n
Bluetooth
Bluetooth	5.4 or 5.3 (with Wi-Fi 6E)	Optional Bluetooth 3.0
Webcam
Webcam	5MP, optional IR	Optional 720p
Operating system
Operating system	Windows	Windows
Port detail
Port detail	2 × Thunderbolt 4 (USB4 40 Gbps) with USB PD 15–100 W and DisplayPort 2.1; 2 × USB-A 5 Gbps (one Always On); HDMI 2.1 up to 4K 60 Hz; Gigabit Ethernet (RJ-45); 3.5 mm headphone/mic combo jack; optional smart card reader and nano-SIM slot (4G or 5G models)	Three USB 2.0 (one powered), one USB 2.0/eSATA combo, VGA, DisplayPort, Gigabit Ethernet, audio combo, 4-in-1 SD reader and ExpressCard/34; optional modem, FireWire and smart card reader
External displays
External displays	Core Ultra 200U and 200H, up to three external displays (four including the built-in); Core Ultra 200V, up to two (three in total); Thunderbolt up to 8K 60 Hz, HDMI up to 4K 60 Hz	Up to 2560 × 1600 at 60 Hz via DisplayPort; 2048 × 1536 at 75 Hz via VGA; Optimus variants support three independent displays
Keyboard
Keyboard	6-row, spill-resistant, backlit or non-backlit, with numeric keypad; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint	Seven-row spill-resistant keyboard; TrackPoint; ThinkLight overhead illumination
Trackpad
Trackpad	Mylar 3-button trackpad, 67.7 × 115 mm	UltraNav multi-touch touchpad
Speakers
Speakers	Stereo 2 W × 2, Dolby Audio	1 W × 2 stereo speakers
Microphones
Microphones	Dual-microphone array, 360° far-field, Dolby Voice	Dual-array microphone
Biometrics
Biometrics	Optional fingerprint reader in the power button (match-on-chip); optional IR camera for Windows Hello	Optional swipe fingerprint reader; TPM 1.2