Lenovo IdeaPad S145-14IIL (81W6) vs. Lenovo ThinkBook 16p G4 IRH (21J8)

Laptop Comparison, Reviews and Tests
Lenovo IdeaPad S145-14IIL (81W6)
Lenovo IdeaPad S145-14IIL (81W6)

Our Rating: 72 %

In depth comparison and review of Lenovo IdeaPad S145-14IIL (81W6) and Lenovo ThinkBook 16p G4 IRH (21J8). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

Lenovo IdeaPad S145-14IIL (81W6) Review

Advantages and disadvantages of Lenovo IdeaPad S145-14IIL (81W6) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

solid build quality

decent processor performance

adequate connectivity options

average display quality

limited battery life

modest graphics capability

no backlit keyboard

Lenovo ThinkBook 16p G4 IRH (21J8) Review

Advantages and disadvantages of Lenovo ThinkBook 16p G4 IRH (21J8) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful amd processor

high-resolution display

solid build quality

good thermal management

decent battery life

heavier than competitors

limited port selection

higher price point

noisy under load

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-14IIL (81W6) and Lenovo ThinkBook 16p G4 IRH (21J8)
69 % - Design
64 % - Display
65 % - Performance
72 % - Connectivity
65 % - Battery
83 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-14IIL (81W6) vs. Lenovo ThinkBook 16p G4 IRH (21J8) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.71 cm x 24.1 cm x 1.99 cm 35.46 cm x 25.5 cm x 1.99 cm
Weight 1.6 kg 2.2 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) Aluminium (top), aluminium (bottom)
Colour Platinum grey | Granite black Dual tone storm grey
DISPLAY Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Screen Size (Type) 14" - TN 16" - IPS
Screen Resolution 1366 x 768 (HD) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 400 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare Anti-glare, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle
PROCESSOR Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
CPU Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz Intel Core i7 (13th Gen) 13700H / 2.4 GHz
Max Turbo Speed 3.4 GHz 5 GHz
Number of Cores Dual-Core 14-core
Cache 4 MB 24 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
RAM 4 GB (provided memory is soldered) 16 GB (2 x 8 GB)
Max RAM Supported 12 GB 32 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2666 MHz 5200 MHz
Rated Speed 2666 MHz 5200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 2
Empty Slots 1 0
STORAGE Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3
Camera Yes Yes - 1080p
Resolution 0.3 Megapixel -
Camera Features Fixed focus Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, microphone Two tweeters, two woofers, dual array microphone
Codec - Realtek ALC3306-CG
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features - Output: harman/kardon stereo speakers, Smart Amplifier (AMP); Input: noise-cancellation technology
VR Ready - Yes
COMMUNICATIONS Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card M.2 Card
Features Single stream (1x1) Dual stream (2x2)
BATTERY Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 30 Wh 80 Wh
Battery Life Up to 5.5 hours Up to 18 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 18 hours
AC ADAPTER Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 230 Watt
INPUT Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Slots - 1 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI 1.4b
Headphone/microphone combo jack
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (8K support)
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) Yes (SD Express Card)
SOFTWARE Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo IdeaPad S145-14IIL (81W6) Lenovo ThinkBook 16p G4 IRH (21J8)
Included Accessories Wall mount power adapter Power adapter
Integrated Options - Ambient light sensor
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS, LA2-Q AI performance chip
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution), TCO Certified 9.0, Low-VOC
Carbon Footprint 293 kg carbon emissions 402 kg carbon emissions (EU)
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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