Lenovo ThinkPad T14s Gen 3 (21BR) vs. Lenovo ThinkBook 14 G4 IAP (21DH)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad T14s Gen 3 (21BR) and Lenovo ThinkBook 14 G4 IAP (21DH). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkPad T14s Gen 3 (21BR) Review

Advantages and disadvantages of Lenovo ThinkPad T14s Gen 3 (21BR) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive battery life

strong processor performance

good security features

high price point

average display brightness

no dedicated GPU

limited color options

Lenovo ThinkBook 14 G4 IAP (21DH) Review

Advantages and disadvantages of Lenovo ThinkBook 14 G4 IAP (21DH) based on its technical characteristics, features, user experience, expert reviews and price level.

efficient multitasking capabilities

solid build quality

affordable price point

adequate connectivity options

compact and portable

average display quality

modest battery life

limited graphics performance

no thunderbolt support

Laptop Comparison and Tests

Difference between Lenovo ThinkPad T14s Gen 3 (21BR) and Lenovo ThinkBook 14 G4 IAP (21DH)
82 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
75 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T14s Gen 3 (21BR) vs. Lenovo ThinkBook 14 G4 IAP (21DH) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Product Type Notebook Notebook
Dimensions (WxDxH) 31.75 cm x 22.69 cm x 1.66 cm 32.3 cm x 21.8 cm x 1.79 cm
Weight 1.21 kg 1.4 kg
Case Material Aluminium (bottom), carbon fibre hybrid (top) Aluminium (top), aluminium (bottom)
Colour Thunder black Dual tone mineral grey
DISPLAY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Screen Size (Type) 14" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:9
Image Brightness 400 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare, 170° viewing angle, Low Power, Eyesafe technology Anti-glare, 170° viewing angle
PROCESSOR Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
CPU Intel Core i5 (12th Gen) 1240P / 1.7 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.4 GHz 4.4 GHz
Number of Cores 12-core 10-core
Cache 12 MB 12 MB
Platform Technology Intel Evo -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 40 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 4800 MHz 3200 MHz
Rated Speed 6400 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 3 external monitor(s)
Camera Yes - 1080p Yes - 1080p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6E AX 211 M.2 Card
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 45 Wh
Battery Life - Up to 8 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 8 hours
AC ADAPTER Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB-C (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Pro - English
Software Included Intel Connectivity Performance Suite Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad T14s Gen 3 (21BR) Lenovo ThinkBook 14 G4 IAP (21DH)
Included Accessories USB-C power adapter USB-C slim wall mount power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington nano security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password Administrator password, hard drive password, power-on password, Rapid Charge Pro
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Gold EPEAT Gold
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - battery - 1 year
Limited warranty - 1 year - pick-up and return
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