Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo V15 G4 IAH (83FS)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkBook 14-IIL (20SL) and Lenovo V15 G4 IAH (83FS). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo ThinkBook 14-IIL (20SL) Review

Advantages and disadvantages of Lenovo ThinkBook 14-IIL (20SL) based on its technical characteristics, features, user experience, expert reviews and price level.

solid build quality

responsive keyboard

affordable price

adequate performance

decent battery life

average display quality

limited graphics power

no thunderbolt support

modest storage capacity

Lenovo V15 G4 IAH (83FS) Review

Advantages and disadvantages of Lenovo V15 G4 IAH (83FS) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price point

solid build quality

decent processor performance

sufficient connectivity options

lightweight design

average display quality

limited graphics power

modest battery life

no backlit keyboard

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 14-IIL (20SL) and Lenovo V15 G4 IAH (83FS)
86 % - Design
72 % - Display
75 % - Performance
78 % - Connectivity
75 % - Battery
75 % - Design
65 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 14-IIL (20SL) vs. Lenovo V15 G4 IAH (83FS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Product Type Notebook Notebook
Dimensions (WxDxH) 32.6 cm x 23 cm x 1.79 cm 35.92 cm x 23.58 cm x 1.99 cm
Weight 1.5 kg 1.67 kg
Case Material Aluminum Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Mineral grey Business black
DISPLAY Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Screen Size (Type) 14" - IPS 15.6" - TN
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
CPU Intel Core i5 (10th Gen) 1035G4 / 1.1 GHz Intel Core i5 (12th Gen) 12500H / 2.5 GHz
Max Turbo Speed 3.7 GHz 4.5 GHz
Number of Cores Quad-Core 12-core
Cache 6 MB 18 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB 16 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 3200 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Graphics Processor (GPU) Intel Iris Plus Graphics Intel Iris Xe Graphics
Max Monitors Supported - 2 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes - 720p
Camera Features ThinkShutter camera privacy 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
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Wireless Bluetooth 5.0, 802.11a/b/g/n/ac/ax 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Dual stream (2x2)
BATTERY Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 45 Wh 38 Wh
Battery Life Up to 9 hours Up to 9.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 9.1 hours
AC ADAPTER Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Interfaces USB 2.0 (hidden)
USB 3.1 Gen 1 (Always On)
USB 3.1 Gen 1
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
HDMI 1.4b
LAN
Headphone/microphone combo jack
USB 2.0
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Operating System (OS) Windows 10 Pro 64-bit Edition - Spanish Windows 11 Pro - English
Software Included Microsoft Office (30 days trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkBook 14-IIL (20SL) Lenovo V15 G4 IAH (83FS)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
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, RapidCharge Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution)
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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