Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) vs. Lenovo ThinkBook 13s G4 ARB (21AS)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) and Lenovo ThinkBook 13s G4 ARB (21AS). 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 13s-IML (Lenovo ThinkBook 13s) Review

Advantages and disadvantages of Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) based on its technical characteristics, features, user experience, expert reviews and price level.

slim lightweight design

fast ssd storage

good battery life

comfortable keyboard

decent display quality

average graphics performance

no thunderbolt support

limited port selection

mediocre speaker quality

Lenovo ThinkBook 13s G4 ARB (21AS) Review

Advantages and disadvantages of Lenovo ThinkBook 13s G4 ARB (21AS) based on its technical characteristics, features, user experience, expert reviews and price level.

slim lightweight design

sharp 2560x1600 display

solid state drive storage

good battery life

competitive price point

average graphics performance

no HDMI port

limited color options

8GB RAM may limit

Laptop Comparison and Tests

Difference between Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) and Lenovo ThinkBook 13s G4 ARB (21AS)
81 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) vs. Lenovo ThinkBook 13s G4 ARB (21AS) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.76 cm x 21.64 cm x 1.59 cm 29.7 cm x 21.1 cm x 1.49 cm
Weight 1.32 kg 1.23 kg
Case Material Aluminum Aluminium (top), aluminium (bottom)
Colour Mineral grey Dual tone arctic grey
DISPLAY Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Screen Size (Type) 13.3" - IPS 13.3" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 300 cd/m²
Colour Gamut - 100% sRGB
Features Anti-glare, 170° viewing angle, Dolby Vision Anti-glare, Low Blue Light technology, 170° viewing angle, Dolby Vision
PROCESSOR Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz AMD Ryzen 5 6600U / 2.9 GHz
Max Turbo Speed 4.2 GHz 4.5 GHz
Number of Cores Quad-Core 6-core
Cache 6 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
RAM 8 GB (1 x 8 GB) 8 GB (provided memory is soldered)
Max RAM Supported 16 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2666 MHz 6400 MHz
Rated Speed 2666 MHz 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
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 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Graphics Processor (GPU) Intel UHD Graphics AMD Radeon 660M
Max Monitors Supported - 3 external monitor(s)
Camera Yes - 720p Yes - 1080p
Camera Features ThinkShutter camera privacy Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio X3 High Definition Audio, Dolby Audio
Audio Features Harman audio technology Harman-branded, AI noise cancelling
COMMUNICATIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card -
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 45 Wh 56 Wh
Battery Life Up to 11 hours Up to 19.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 19.1 hours
AC ADAPTER Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
Headphone/microphone combo jack
USB 3.2 Gen 1 (Always On)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
SOFTWARE Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Pro - English
Software Included Microsoft Office (30 days trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkBook 13s-IML (Lenovo ThinkBook 13s) Lenovo ThinkBook 13s G4 ARB (21AS)
Included Accessories USB-C power adapter USB-C slim wall mount power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader 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, 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 3, TUV Rheinland Low Blue Light (Software Solution)
SAR Value 0.568 W/kg (body), 0.568 W/kg (limb) -
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Silver
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 3 years - pick-up and return Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Model Number IML 20RR -
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