Lenovo i51235U Core i5 12th Generation 8GB Ram Laptop Owner’s Manual

Lenovo i51235U Core i5 12th Generation 8GB Ram Laptop

Specifications

• Processor: CoreTM i5/i7 (various models)
• Memory: LPDDR5-4800
• Storage: Up to 2TB M.2 2280 SSD
• Display: 14″ WUXGA or 2.2K/2.8K resolution, IPS panel
• Graphics: Integrated Intel graphics

Product Usage Instructions

Powering On/Off

• To power on the ThinkPad T14 Gen 3, press the power button located on the keyboard. To power off, go to the Start menu and select Shutdown.

Using the Ports

• The laptop features various ports including USB, HDMI, Thunderbolt, headphone/microphone jack, and more. Connect your peripherals accordingly.

Memory Upgrade

• The memory is soldered to the system board; hence, there are no memory slots for upgrade. The installed LPDDR5-4800 memory provides efficient performance.

Storage Expansion

• You can expand storage by installing a compatible M.2 2280 SSD with a capacity of up to 2TB. Ensure compatibility before installation.

FAQ

Q: Can I upgrade the processor on the ThinkPad T14 Gen 3?

A: No, the processor is not user-upgradable as it is integrated into the system board.

Q: What is the maximum resolution supported by the display?

A: The display supports resolutions up to WUXGA (1920×1200) or higher depending on the specific model.

Q: Is the laptop equipped with a card reader?

A: No, the ThinkPad T14’s Gen 3 does not have a built-in card reader for removable storage.

OVERVIEW

Notes: Items with * are only available on selected models

PERFORMANCE

Processor Family

12th Generation Intel® Core™ i5 / i7 Processor

Processor

Processor Name| Cores| Threads| Base Frequency| Max Frequency| Cache| Processor Graphics
---|---|---|---|---|---|---
Core™ i5- 1235U| 10 (2 P-core + 8 E-core)| 12| P-core 1.3GHz / E-core 0.9GHz| P-core 4.4GHz / E-core 3.3GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i5- 1240P| 12 (4 P-core + 8 E-core)| 16| P-core 1.7GHz / E-core 1.2GHz| P-core 4.4GHz / E-core 3.3GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i5- 1245U| 10 (2 P-core + 8 E-core)| 12| P-core 1.6GHz / E-core 1.2GHz| P-core 4.4GHz / E-core 3.3GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i5- 1250P| 12 (4 P-core + 8 E-core)| 16| P-core 1.7GHz / E-core 1.2GHz| P-core 4.4GHz / E-core 3.3GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i7- 1255U| 10 (2 P-core + 8 E-core)| 12| P-core 1.7GHz / E-core 1.2GHz| P-core 4.7GHz / E-core 3.5GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i7- 1260P| 12 (4 P-core + 8 E-core)| 16| P-core 2.1GHz / E-core 1.5GHz| P-core 4.7GHz / E-core 3.4GHz| 18MB| Intel® Iris® Xe Graphics
Core™ i7- 1265U| 10 (2 P-core + 8 E-core)| 12| P-core 1.8GHz / E-core 1.3GHz| P-core 4.8GHz / E-core 3.6GHz| 12MB| Intel® Iris® Xe Graphics
Core™ i7- 1270P| 12 (4 P-core + 8 E-core)| 16| P-core 2.2GHz / E-core 1.6GHz| P-core 4.8GHz / E-core 3.5GHz| 18MB| Intel® Iris® Xe Graphics
Core™ i7- 1280P[1]| 14 (6 P-core + 8 E-core)| 20| P-core 1.8GHz / E-core 1.3GHz| P-core 4.8GHz / E-core 3.6GHz| 24MB| Intel® Iris® Xe Graphics

Notes: For special bids only in EMEA.

Operating System

• Windows® 11 Pro
• Windows® 11 Home
• Windows® 11 Home Single Language
• Windows® 11 DG Windows® 10 Pro 64
• Windows® 10 IoT Enterprise LTSC 2021[1]
• Linux[2]
• Ubuntu Linux[3]
• No preload operating system

Notes:

1. Windows® 10 IoT Enterprise LTSC 2021 is for special bid only.
2. Some features may not be supported on the system with Linux preload, including but not limited to Intel® RST RAID, MIPI computer vision camera, WWAN, Human Presence Detection, etc.

Graphics

Monitor Support

• Supports up to 4 independent displays (native display and 3 external monitors via Thunderbolt™ and HDMI®)
• Thunderbolt™ supports up to 5K@60Hz
• HDMI® supports up to 4K@60Hz

Notes: Refresh rates >60hz are also supported, however, the max resolution will be limited.

Chipset

Intel® SoC (System on Chip) platform

Memory

Max Memory

• 8GB soldered memory, not upgradeable
• 16GB soldered memory, not upgradeable
• 32GB soldered memory, not upgradeable

Memory Slots

• Memory soldered to system board, no slots, dual-channel

Memory Type

• LPDDR5-4800[1]
• Notes: The installed memory is LPDDR5-6400 but runs as LPDDR5-4800 due to platform limitations.

Storage

Storage Support[1]

• One drive, up to 2TB M.2 2280 SSD

Storage Slot

• One M.2 2280 PCIe® 4.0 x4 slot

Storage Type**

Opal 2.0
M.2 2280 SSD| PCIe® NVMe®, PCIe® x4[3]| 256GB / 512GB / 1TB| Opal 2.0

Notes:

1. The storage capacity supported is based on the test results with current Lenovo® storage offerings.
2. 2TB SSD is a special bid only in EMEA.
3. PCIe® x4 may be PCIe® 3.0×4 or PCIe® 4.0×4 as substitution.

Removable Storage

Card Reader

No card reader

Multi-Media

• Audio Chip
• High Definition (HD) Audio, Realtek® ALC3287 codec

Speakers

Stereo speakers, 2W x2, Dolby® Audio™

Microphone

• Dual-microphone array, far-field, Dolby® Voice®
• No microphone

Camera

• FHD 1080p + IR hybrid, with privacy shutter, fixed focus
• FHD 1080p, with privacy shutter, fixed focus
• HD 720p, with privacy shutter, fixed focus
• No camera

Battery

• Integrated Li-Polymer 57Wh battery, supports Rapid Charge (charge up to 80% in 1hr) with 65W AC adapter

Battery Life[1]

• Configuration 1 (max battery life)
• MobileMark® 2018: up to 13.6 hr with 978 performance score @200nits
• MobileMark® 25: up to 10.8 hr with 669 performance score @250nits
• JEITA 2.0 : up to 24.0 hr @150nits
• Local video playback: up to 18.1 hr @150nits

Alternate configuration 2

• MobileMark® 2018: up to 10.0 hr with 1066 performance score @200nits
• MobileMark® 25: up to 7.2 hr with 712 performance score @250nits
• JEITA 2.0: up to 15.3 hr @150nits
• Local video playback: up to 14.8 hr @150nits

Alternate configuration 3

• MobileMark® 2018: up to 8.2 hr with 936 performance score @200nits
• MobileMark® 25: up to 6.3 hr with 750 performance score @250nits
• JEITA 2.0: up to 12.3 hr @150nits
• Local video playback: up to 11.8 hr @150nits
• Notes: Configuration 1 (max battery life): WUXGA (non-touch), Intel® i5-1235U, 8GB LPDDR5, Win 11, 57Wh battery, best power efficiency power mode
• Alternate configuration 2: WUXGA (touch), Intel® i5-1250P, 16GB LPDDR5, Win 11, 57Wh battery, best power efficiency power mode
• Alternate configuration 3: 2.8K OLED, Intel® i5-1245U, 8GB LPDDR5, Win 11, 57Wh battery, best power efficiency power mode
• All battery life claims are approximate maximum and based on results using MobileMark® 2018, MobileMark® 25, JEITA 2.0, continuous 1080p local video playback (using default Media Player in Fullscreen mode with 150nits brightness and default volume level), or Google Power Load Test (PLT) battery-life benchmark tests.
• Actual battery life will vary depending on many factors such as product configuration, software, wireless functionality, power management settings, and screen brightness.
• The maximum capacity of the battery will decrease with time, ambient temperature, and use.
• Refer to the Microsoft® link for more information about the Windows® Performance power slider.

Power Adapter

• 45W USB-C® (2-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• 45W USB-C® (3-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• 65W USB-C® (2-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• 65W USB-C® (3-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• 65W USB-C® slim (2-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• 65W USB-C® slim (3-pin) AC adapter, supports PD 3.0, 100-240V, 50-60Hz
• No power adapter[2]

Notes:

1. AC adapter offerings depend on the country.
2. No power adapter is for special bids only.

DESIGN

Display

Size| Resolution| Touch| Type| Brightness| Surface| Aspect Ratio| Contrast Ratio| Color Gamut| Viewing Angle (L/R/U/D)| Key Features
---|---|---|---|---|---|---|---|---|---|---
14″| WUXGA (1920×1200)| Multi-touch| IPS[1]| 300nits| Anti-glare| 16:10| 600:1| 45% NTSC| 85°/85°/85°/85°| –
---|---|---|---|---|---|---|---|---|---|---
14″| WUXGA (1920×1200)| None| IPS[2]| 300nits| Anti-glare| 16:10| 600:1| 45% NTSC| 85°/85°/85°/85°| –
14″| WUXGA (1920×1200)| None| IPS[3]| 400nits| Anti-glare| 16:10| 800:1| 100% sRGB| 85°/85°/85°/85°| Low power, Eyesafe® Certified
14″| WUXGA (1920×1200)| Multi-touch| IPS[4]| 500nits| Anti-glare| 16:10| 800:1| 100% sRGB| 85°/85°/85°/85°| ThinkPad® Privacy Guard
14″| 2.2K (2240×1400)| None| IPS[5]| 300nits| Anti-glare| 16:10| 1000:1| 100% sRGB| 85°/85°/85°/85°| TÜV Low Blue Light (Hardware Solution)
14″| 2.8K (2880×1800)| None| OLED| 400nits| Anti-glare, anti-reflection, anti- smudge| 16:10| 100,000:1| 100% DCI-P3| 85°/85°/85°/85°| DisplayHDR™ True Black 500, Dolby® Vision®, Eyesafe® Certified

Touchscreen

• On-cell multi-touch supports 10-point touch

Non-touch

• Notes: [1], [2], [3], [4], [5] IPS (in-plane switching) technology may refer to IPS, PLS, ADS, AHVA, or AAS.

Input Device Keyboard

• 6-row, spill-resistant, multimedia Fn keys with Unified Communications controls

Keyboard Backlight

• LED backlight
• Non-backlight[1]

UltraNav™

• TrackPoint® pointing device and glass-like Mylar® surface multi-touch touchpad, 61 x 115 mm (2.40 x 4.53 inches)
• Notes: [1] Non-backlit keyboard is only available for the models with thunder black cover.

Mechanical

Dimensions (WxDxH)[1]

317.5 x 226.9 x 16.9 mm (12.5 x 8.93 x 0.67 inches)

Weight[2]

Case Color**

• Storm grey[3]
• Thunder black

Case Material**

• Storm grey models: aluminum (top), aluminum (bottom)
• Thunder black models : carbon fiber hybrid (top), aluminum (bottom)

Notes:

1. The system dimensions may vary depending on configurations.
2. The system weight is approximate and based on results in Lenovo® lab, which varies depending on the source of the component, the variance of the distribution of each component, and the manufacturing process.
   • It may not be the exact weight for each specific model.
3. Storm grey case is NOT available in EMEA.

CONNECTIVITY

Network Ethernet

• No onboard Ethernet[1]

WLAN + Bluetooth®[2]

• Intel® Wi-Fi® 6E AX211, 802.11ax 2×2 Wi-Fi® + Bluetooth® 5.1 (Bluetooth® 5.2 hardware ready)[3]

WWAN

• Wireless WAN upgradable to 4G (with antenna ready)
• Quectel EM05-G, 4G LTE CAT4, M.2 card
• Fibocom L860-GL-16, 4G LTE CAT16, M.2 card
• Fibocom FM350-GL, 5G Sub-6 GHz, M.2 Card, with embedded eSIM functionality
• No support

SIM Card

• Gemalto eSIM card (physical)
• No physical SIM card inbox

NFC

• Near Field Communication
• No support

Notes:

1. Ethernet support via optional Lenovo® USB-C® to Ethernet Adapter.
2. Bluetooth® may operate at a lower version than hardware design depending on factors such as operating system, driver, etc.
3. Wi-Fi® 6E full features might be limited by country-level restrictions.
   • Wi-Fi® 6E is only enabled on Windows® 11 and operates as Wi-Fi® 6 with Windows® 10.
   • 6GHz Wi-Fi® 6E operation is dependent on the support of the operating system, routers/APs/Gateways that support Wi-Fi® 6E, and the regional regulatory certifications & spectrum allocation.

Ports Standard Ports

• 1x USB 3.2 Gen 1
• 1x USB 3.2 Gen 1 (Always On)
• 2x Thunderbolt™ 4 / USB4® 40Gbps (support data transfer, Power Delivery 3.0 and DisplayPort™ 2.0)
• 1x HDMI® 2.1, up to 4K/60Hz
• 1x Headphone/microphone combo jack (3.5mm)

Optional Ports

• 1x Smart card reader
• 1x Nano-SIM card slot (WWAN support models)
• Notes: The transfer speed of the following ports will vary and, depending on many factors, such as the processing speed of the host device, file attributes, and other factors related to system configuration and your operating environment, will be slower than the theoretical speed.
• USB 2.0: 480 Mbit/s;
• USB 3.2 Gen 1 (SuperSpeed USB 5Gbps, formerly USB 3.0 / USB 3.1 Gen 1): 5 Gbit/s;
• USB 3.2 Gen 2 (SuperSpeed USB 10Gbps, formerly USB 3.1 Gen 2): 10 Gbit/s;
• USB4® 20Gbps / USB 3.2 Gen 2×2 (SuperSpeed USB 20Gbps): 20 Gbit/s;
• USB4® 40Gbps (USB 40Gbps): 40 Gbit/s;
• Thunderbolt™ 3/4: 40 Gbit/s.

Docking

• Various docking solutions are supported via Thunderbolt™ / USB-C®.
• For more compatible docking solutions, please visit Docking for ThinkPad® T14s Gen 3 (Intel®)

SECURITY & PRIVACY

Security Security Chip

• Discrete TPM 2.0, TCG certified, FIPS 140-2 Certified

Physical Locks

• Kensington® Nano Security Slot™, 2.5 x 6 mm

Smart Card Reader

• Smart card reader
• No smart card reader

Fingerprint Reader

• Touch style fingerprint reader integrated with power button, match-on-chip
• No fingerprint reader

BIOS Security

• Power-on password
• Supervisor password
• System management password
• NVMe® password
• FIDO (Fast Identity Online) authentication
• Certificate-based BIOS authentication
• Self-healing BIOS

Other Security

• (Optional) IR camera for Windows® Hello (facial recognition)
• (Optional) Camera privacy shutter
• (Optional) Privacy Guard with Privacy Alert
• Glance by Mirametrix®
• (Optional) Human Presence Detection
• Tile ready

MANAGEABILITY

System Management

• Intel® vPro® Enterprise[1]
• Non-vPro®

Notes:

• [1] Intel® vPro® offers a superset of DASH’s defined capabilities.

SERVICE

Warranty Base Warranty

• 1-year courier or carry-in service
• 1-year courier or carry-in with 2-year system board service (Korea only)
• 1-year limited onsite service
• 3-year (1-yr battery) courier or carry-in service
• 3-year (1-yr battery) limited onsite service
• No base warranty

ENVIRONMENTAL

Sustainability

Material

• 97% PCC recycled plastic used in speaker enclosure 97% recycled plastic used in the 57Wh battery frame 95% PCC recycled plastic used in standard 65W adapter Low-temperature solder 90% recycled and/or sustainable packaging

Operating Environment

• Temperature[1]
• Operating: 5°C (41°F) to 35°C (95°F)
• Storage and transportation in original shipping package: -20°C (-4°F ) to 60°C (140°F)
• Storage without package: 5°C (41°F) to 43°C (109°F)

Relative Humidity

• Operating: 8% to 95% at wet-bulb temperature 23°C (73°F)
• Storage and transportation: 5% to 95% at wet-bulb temperature 27°C (81°F)

Altitude

• Maximum altitude (without pressurization): 3048 m (10,000 ft)
• Notes: When you charge the battery, its temperature must be no lower than 10°C (50°F).

ACCESSORIES

Bundled Accessories

• Lenovo® HDMI® to VGA Monitor Adapter
• Lenovo® USB-C® to DisplayPort™ Adapter
• Lenovo® USB-C® to Ethernet Adapter (1Gbps)
• Lenovo® USB-C® to VGA Adapter
• None

Notes: For more compatible accessory solutions, please visit Accessories for ThinkPad® T14s Gen 3 (Intel®).

CERTIFICATIONS

• Green Certifications[1]
• Green Certifications[2]
• ENERGY STAR® 8.0
• EPEAT™ Gold Registered[3]
• ErP Lot 3
• RoHS compliant
• TCO Certified 9.0

Notes:

1. The items listed under the “Green Certifications” section may not only refer to certification but also registration or self-declaration.
2. EPEAT™ registration and ENERGY STAR® certification are dependent on the system OS. Please visit epeat.net and energystar.gov for more information.
3. EPEAT™ is registered where applicable, please see epeat.net for registration status by country.

Other Certifications

MIL-STD-810H military test passed

Other Certifications

• (Optional) Intel® Evo™ Platform
• (Optional) Eyesafe® Certified
• (Optional) TÜV Rheinland® Low Blue Light (Hardware Solution)
• Feature with ** means that only one offering listed under the feature is configured on selected models. Feature with *** means that one or more offerings listed under the feature could be configured on selected models.
• Lenovo reserves the right to change specifications or other product information without notice. Lenovo is not responsible for photographic or typographical errors. LENOVO PROVIDES THIS PUBLICATION “AS IS,” WITHOUT WARRANTY OF ANY KIND,
• EITHER EXPRESS OR IMPLIED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
• Some jurisdictions do not allow disclaimer of express or implied warranties in certain transactions, therefore this disclaimer may not apply to you.
• The specifications on this page may not be available in all regions, and may be changed or updated without notice.

References

• Homepage | ENERGY STAR

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