Lenovo ThinkPad Z13 Gen 1 (21D3) vs. Lenovo ThinkBook 16 G6 IRL (21KH)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D3) and Lenovo ThinkBook 16 G6 IRL (21KH). 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 ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

Lenovo ThinkBook 16 G6 IRL (21KH) Review

Advantages and disadvantages of Lenovo ThinkBook 16 G6 IRL (21KH) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processor

high-resolution display

solid build quality

good battery life

fast ssd storage

heavier than competitors

limited color options

noisy under load

expensive base model

Laptop Comparison and Tests

Difference between Lenovo ThinkPad Z13 Gen 1 (21D3) and Lenovo ThinkBook 16 G6 IRL (21KH)
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery
85 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad Z13 Gen 1 (21D3) vs. Lenovo ThinkBook 16 G6 IRL (21KH) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Product Type Notebook Notebook
Dimensions (WxDxH) 29.44 cm x 19.96 cm x 1.399 cm 35.6 cm x 25.35 cm x 1.75 cm
Weight 1.26 kg 1.7 kg
Case Material Aluminium (top), aluminium (bottom) Aluminium (top), polycarbonate ABS (bottom)
Colour Black (bottom), arctic grey (top) Dual tone arctic grey
DISPLAY Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Screen Size (Type) 13.3" OLED 16" - IPS
Touchscreen Yes (10-point multi-touch) -
Screen Resolution 2880 x 1800 (2.8K) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:10 16:10
Image Brightness 500 cd/m² 300 cd/m²
Colour Gamut 100% DCI-P3 45% NTSC
Features Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 4.7 GHz 4.6 GHz
Number of Cores 8-core 10-core
Cache L3 - 16 MB 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
RAM 32 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported - 64 GB
RAM Type LPDDR5 SDRAM DDR5 SDRAM
Speed 6400 MHz 5200 MHz
Rated Speed 6400 MHz 5200 MHz
Form Factor - SO-DIMM 262-pin
Slots Qty - 2
Empty Slots - 1
STORAGE Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Graphics Processor (GPU) AMD Radeon 680M Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 1080p Yes - 1080p
Camera Features Windows Hello, fixed focus, e-camera shutter, Discrete IR Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3306 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Atmos High Definition Audio, Dolby Audio
Audio Features Input: Dolby Voice, 360° far-field Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Qualcomm NFA725A M.2 Card
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features - Wake-on-LAN (WOL), dual stream (2x2)
BATTERY Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) 51.5 Wh 45 Wh
AC ADAPTER Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt
INPUT Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
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)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
LAN
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad Z13 Gen 1 (21D3) Lenovo ThinkBook 16 G6 IRL (21KH)
Included Accessories USB-C power adapter, Lenovo USB-C to Ethernet Adapter USB-C power adapter
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0 RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
Carbon Footprint 216 kg carbon emissions (EU) -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty - Limited warranty - 1 year - pick-up and return
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