Compare Lenovo ThinkPad X1 Carbon Gen 8 vs ThinkPad X1 Extreme GEN 4
Variants
UHD
FHD
WQHD
WQUXGA
WQXGA
Connectivity
Ports
2x thunderbolt 3, 2x USB 3.2 Gen1, HDMI 1.4, audio combo
2x Thunderbolt 4 + 2x USB 3.2 Gen1 + 1x HDMI 2.0/2.1 + 1x SD + 1x Audio combo
Wireless Connectivity
WiFi 6, LTE, Bluetooth 5.0, NFC
WiFi 6/6E + Bluetooth 5.2 + NFC + optional 5G / 4G LTE WWAN
Construction
Battery | Capacity
51 Wh
90 Wh
Camera | Front
FHD camera with webcam privacy shutter, optional FHD hybrid IR camera with webcam privacy shutter
Colors
Deep Black, optional Carbon-Fiber Weave on top cover
Microphone
4x 360-degree microphones
Dual far-field mic
Speakers
Dolby Atmos speakers
User-facing Dolby ATMOS Speaker System
Dimensions
Size | Depth
218 mm
253.8 mm / 9.99"
Size | Height
14.9 mm
17.7 mm / 0.78"
Size | Width
323 mm
359.5 mm / 14.13"
Weight
Starting at 1.09 kg
From 1.814 kg / 3.999 lbs
Display
Aspect Ratio
16:10
Display Diagonal
14"
16"
Display Type
IPS, PrivacyGuard available
IPS matte or touch, low blue light
Resolution
FHD, WQHD, or 4K UHD
WQXGA / QHD+ (2560x1600) or WQUXGA / UHD+ (3840x2400)
Function
Fast Charging
Yes
Rapid Charge
Graphics
Integrated Intel UHD Graphics
Integrated Intel UHD, NVIDIA RTX 3050 Ti, RTX 3060, RTX 3070, or RTX 3080
Keyboard Backlight
Yes
Operating System
Linux Fedora or Windows 10
Windows 10
Processor
Up to 10th gen Intel Core i7-10610U
Up to 11th-gen Intel Core i9 Tiger Lake
SIM
Optional 4G LTE or 5G
Security
DTPM 2.0, Touch Fingerprint Reader, Self-healing BIOS, Webcam privacy shutter, optional Windows Hello
Touch Screen
Available
Touchpad
Redesigned TouchPad (115mm x 61mm / 4.53" x 2.40")
Performance
Battery Life
Up to 19.5 hours
Up to 10.7 hours
Durability
MIL-STD-810G
Key Travel
1.5 mm
Memory | Capacity
Up to 16GB
Up to 64 GB (2x SO-DIMMs)
Memory | Type
LPDDR3 2133MHz
DDR4 3200 MHz
Power Supply
65W
135, 170, or 230 W
Storage
Up to 2TB PCIe SSD
Up to 4TB total, 2x M.2 NVMe PCIe Gen4 SSD
Production
Accessory
Optional ThinkPad Pen Pro with Wacom AES 2.0 pen support
Availability
2021-08
Debut
2020 CES
2021-06 (MWC 2021)
Made In
China
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