Lenovo ThinkBook 13s G4 ARB (21AS) vs. Lenovo ThinkBook 13x G2 IAP (21AT)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkBook 13s G4 ARB (21AS) and Lenovo ThinkBook 13x G2 IAP (21AT). 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.

Laptop Specifications Comparison

Lenovo ThinkBook 13s G4 ARB (21AS) vs. Lenovo ThinkBook 13x G2 IAP (21AT) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 29.7 cm x 21.1 cm x 1.49 cm 29.6 cm x 20.9 cm x 1.29 cm
Weight 1.23 kg 1.2 kg
Case Material Aluminium (top), aluminium (bottom) Aluminium (top), aluminium (bottom), glass (display cover)
Colour Dual tone arctic grey Dual tone storm grey
DISPLAY Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Screen Size (Type) 13.3" - IPS 13.3" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1200 (WUXGA) 2560 x 1600 (WQXGA)
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 300 cd/m² 400 cd/m²
Colour Gamut 100% sRGB 100% sRGB
Features Anti-glare, Low Blue Light technology, 170° viewing angle, Dolby Vision Glossy, Corning Gorilla glass, anti-fingerprint, 170° viewing angle, Low Power, Dolby Vision, Smart sense panel
PROCESSOR Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
CPU AMD Ryzen 5 6600U / 2.9 GHz Intel Core i7 (12th Gen) 1255U / 1.7 GHz
Max Turbo Speed 4.5 GHz 4.7 GHz
Number of Cores 6-core 10-core
Cache L3 - 16 MB 12 MB
Platform Technology - Intel Evo
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
RAM Type LPDDR5 SDRAM LPDDR5 SDRAM
Speed 6400 MHz 4800 MHz
Rated Speed 6400 MHz 4800 MHz
STORAGE Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) 512 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Graphics Processor (GPU) AMD Radeon 660M Intel Iris Xe Graphics
Max Monitors Supported 3 external monitor(s) 2 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, fixed focus Privacy shutter, IR camera, Windows Hello, fixed focus, ToF sensor
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features Harman-branded, AI noise cancelling Harman/kardon stereo speakers, Smart Amp, AI noise cancelling
COMMUNICATIONS Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Wireless Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Network Interface - Gigabit Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 56 Wh 56 Wh
Battery Life Up to 19.1 hours Up to 11.4 hours
Battery Run Time Local video (1080p) playback time (150 nits): up to 19.1 hours -
AC ADAPTER Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Interfaces 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
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
HDMI (on supplied adapter)
VGA (on supplied adapter)
LAN (on supplied adapter)
USB 3.0 (on supplied adapter)
SOFTWARE Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Operating System (OS) Windows 11 Pro - English Windows 11 Pro - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkBook 13s G4 ARB (21AS) Lenovo ThinkBook 13x G2 IAP (21AT)
Included Accessories USB-C slim wall mount power adapter USB-C slim power adapter
Bundled with - ThinkBook USB-C Micro Hub
Integrated Options - Ambient light sensor
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Discrete 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, MIL-STD-810H tested, self-healing BIOS Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) RoHS, FSC, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Eyesafe Display, TUV Rheinland Low Blue Light (Hardware Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Silver EPEAT Silver
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 - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
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