Lenovo ThinkPad T14s Gen 6 (AMD) vs Lenovo ThinkPad T400

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

Better figure, where one is clearly better

ThinkPad T14s Gen 6 (AMD) compared with ThinkPad T400
LenovoThinkPad T14s Gen 6 (AMD)LenovoThinkPad T400
Overview
ReleasedNovember 2024August 2008
Display
Screen size14″14.1″
Resolution1920 × 1200 or 2880 × 1800 (better)1280 × 800
PanelIPS LCD or OLED–
Refresh rate60 Hz or 120 Hz–
Brightness400 nits or 500 nits (better)185 nits
TouchscreenNo or YesNo
Display typeWUXGA IPS (400-nit non-touch or on-cell touch, 400-nit or 500-nit low power, or 500-nit on-cell touch with ThinkPad Privacy Guard) or 2.8K OLED with add-on film touch, all 16:10; the Ryzen AI 7 PRO 360 is offered with the WUXGA touch and 400-nit low-power screens only14.1-inch WXGA or WXGA+ LCD; CCFL and LED options; listed configurations use the 185-nit WXGA CCFL panel
Colour range45% NTSC (400-nit IPS); 100% sRGB (low-power and Privacy Guard IPS); 100% DCI-P3 (OLED)–
Screen finishAnti-glare (IPS); anti-glare, anti-reflection and anti-smudge (OLED)Anti-glare
Display featuresIPS 600:1 contrast (400-nit), 800:1 (400-nit low power) or 1,500:1 (500-nit); OLED 100,000:1 contrast, 120 Hz VRR and Dolby Vision; 3M DBEF5 on the 45% NTSC panels; Eyesafe Certified 2.0; 88% screen-to-body ratio–
Performance
ProcessorAMD Ryzen AI 5 PRO 340, AMD Ryzen AI 7 PRO 350 or AMD Ryzen AI 7 PRO 360Intel Core 2 Duo P8400 or Intel Core 2 Duo P8600
CPU cores6 or 82
CPU threads12 or 16–
GraphicsRadeon 840M Graphics, Radeon 860M Graphics or Radeon 880M GraphicsIntel Graphics Media Accelerator 4500MHD
AI engine (NPU)50 TOPS–
Memory16 GB, 32 GB or 64 GB (better)2 GB
Storage512 GB to 1 TB (better)128 GB to 160 GB
CPURyzen AI 5 PRO 340 (6 cores) or Ryzen AI 7 PRO 350 (8 cores), codenamed Krackan Point; Ryzen AI 7 PRO 360 (8 cores), codenamed Strix PointIntel Core 2 Duo with 1066 MHz front-side bus; listed configurations are factory 7417-T1U and 7417-PAU
GPUIntegrated AMD Radeon 840M, 860M or 880M, shared memory, DirectX 12Intel GMA 4500MHD in the GM45 chipset on listed configurations; optional ATI Mobility Radeon HD 3470 with switchable graphics on other models
AI engineCopilot+ PC; NPU up to 50 TOPS–
Memory typeLPDDR5X-7500 (Krackan Point models fit LPDDR5X-8533 running at 7500 MT/s), soldered, dual-channel, not upgradable; 16 GB with Krackan Point only, 64 GB with Strix Point onlyDDR3-1066 PC3-8500; two SO-DIMM sockets, up to 8 GB
Storage typeOne M.2 2280 PCIe 4.0 x4 slot; NVMe SSD up to 1 TB, Opal 2.0Removable 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)Up to 23.87 hoursUp to 6.5 hours
Battery capacity58 Wh–
Weight1.25 kg (better)2.3 kg
Thickness16.4 mm (better)32 mm
Width × depth313.6 × 219.4 mm335.5 × 270 mm
Battery life detail58 Wh Li-ion; Ryzen AI 7 PRO 360 with WUXGA non-touch, MobileMark 25 up to 17.1 hr, JEITA 3.0 up to 15.48 hr video and 29.8 hr idle, local video up to 23.87 hr; with WUXGA touch, local video up to 22.3 hrFour-, 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
Charger65 W USB-C (PD 3.0) adapter, including nano GaN, slim and slim GaN versions; offerings vary by country65 W adapter with integrated graphics; 90 W for discrete graphics
Fast chargingRapid Charge to 80% in 1 hour with the 65 W adapter (when off, in standby or hibernating)–
MaterialsCarbon fibre hybrid top cover; aluminium bottom coverSuper-Elastic PolyCarbonate lid, carbon-fibre reinforced plastic bottom and magnesium roll cages
ColoursBlackBlack
Connections
Ports2 × Thunderbolt 4, 2 × USB-A, HDMI, headphone jack3 × USB-A, Ethernet, headphone jack
Wi-FiWi-Fi 7802.11a/b/g/n; optional WiMAX
Bluetooth5.4 or 5.3Optional Bluetooth 2.1
Webcam5MP, optional IROptional 1.3-megapixel fixed-focus camera
Operating systemWindowsWindows
Port detail2 × USB-C (Thunderbolt 4 / USB4 40 Gbps) with USB PD 15–65 W and DisplayPort 2.1; 2 × USB-A 5 Gbps (one Always On); HDMI 2.1 up to 4K 60 Hz; 3.5 mm headphone/mic combo jack; optional smart card reader and nano-SIM slot (4G or 5G models)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 displaysUp to three external displays (four including the built-in); USB-C up to 8K 30 Hz, HDMI up to 4K 60 HzVGA up to 2048 × 1536 at 75 Hz; DVI pass-through via compatible optional dock
Keyboard6-row, spill-resistant, backlit or non-backlit; 1.5 mm key travel (1.35 mm on Fn row and G/H/B); Copilot key; TrackPoint89-key spill-resistant keyboard; ThinkLight illuminates the keys
TrackpadMylar 3-button trackpad, 60 × 115 mmUltraNav touchpad and TrackPoint with separate buttons
SpeakersStereo 2 W × 2, Dolby AtmosStereo speakers, 1 W
MicrophonesDual-microphone array, 360° far-field, Dolby VoiceDigital microphone
BiometricsOptional fingerprint reader in the power button (match-on-chip); optional IR camera for Windows HelloOptional swipe fingerprint reader; TPM 1.2

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