Lenovo ThinkPad T580 (20LA) vs. Lenovo ThinkBook 16 G6 IRL (21KH)

Laptop Comparison, Reviews and Tests
Lenovo ThinkPad T580 (20LA)
Lenovo ThinkPad T580 (20LA)

Side by side comparison and review of Lenovo ThinkPad T580 (20LA) 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 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 T580 (20LA) and Lenovo ThinkBook 16 G6 IRL (21KH)
85 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad T580 (20LA) vs. Lenovo ThinkBook 16 G6 IRL (21KH) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.58 cm x 25.28 cm x 2.02 cm 35.6 cm x 25.35 cm x 1.75 cm
Weight 1.95 kg 1.7 kg
Case Material Glass-fibre reinforced plastic, polyphenylene sulfide Aluminium (top), polycarbonate ABS (bottom)
Colour Black Dual tone arctic grey
DISPLAY Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Screen Size (Type) 15.6" - IPS 16" - IPS
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1200 (WUXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, Low Blue Light technology
PROCESSOR Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
CPU Intel Core i5 (8th Gen) 8250U / 1.6 GHz Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed 3.4 GHz 4.6 GHz
Number of Cores Quad-Core 10-core
Cache 6 MB 12 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
RAM 4 GB (1 x 4 GB) 8 GB (1 x 8 GB)
Max RAM Supported 32 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2400 MHz 5200 MHz
Rated Speed 2400 MHz 5200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Main Storage Size (HDD/SSD) 128 GB SSD 2.5" (7 mm) SATA 6Gb/s - Samsung 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Graphics Processor (GPU) Intel UHD Graphics 620 Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera - Yes - 1080p
Camera Features - Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio Premium High Definition Audio, Dolby Audio
Audio Features - Input: noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.1 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller Intel Dual Band Wireless-AC 8265 - M.2 Card 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 T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Technology Lithium Ion Lithium polymer
Installed Qty 2 -
Battery Capacity (Size) - 45 Wh
Battery Life Up to 26.1 hours -
AC ADAPTER Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt, 20 V, 3.25 A 65 Watt
INPUT Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
USB-C 3.1 Gen 2 (supports Thunderbolt 3)
HDMI
LAN
Headphone/microphone combo jack
Dock
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) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad T580 (20LA) Lenovo ThinkBook 16 G6 IRL (21KH)
Dockable Yes -
Included Accessories USB-C power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip, smart card reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington security slot Kensington nano security slot
Theft/Intrusion Protection Security lock slot (cable lock sold separately) Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password, MIL-STD-810G tested Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS
Compliant Standards RoHS RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
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
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