Compare Dell Latitude 7520 vs ThinkPad X1 Carbon GEN 9 vs Lenovo ThinkPad X1 Extreme Gen 3
Variants
4K
WUXGA Non-touch
WUXGA Touch
FHD IPS
OLED
UHD IPS
IPS UHD
Connectivity
Ports
2x Thunderbolt 4 + 2x USB 3.2 + 1x HDMI 2.0 + 1x RJ45 + 1x Audio combo + 1x microSD reader + 1x optional SmartCard reader
2x Thunderbolt 4 + 2x USB 3.2 + 1x HDMI 2.0 + 1x Audio combo
2x thunderbolt 3, 2x USB 3.2 Gen1, DisplayPort, HDMI 2.0, RJ45 via USB-C adapter, 4-in-1 SD card reader, audio combo
Wireless Connectivity
WiFi 6 + Bluetooth 5.1, optional LTE WWAN
WiFi 6, Bluetooth 5.1, NFC, LTE 4G CAT4 / CAT12, 5G LTE CAT20 (optional)
WiFi 6, Bluetooth 5.1
Construction
Battery | Capacity
42 or 63 Wh
57 Wh
80 Wh
Camera | Front
HD, HD IR, or FHD IR
HD RGB Camera with privacy shutter, HD RGB + IR camera with privacy shutter, or HPD with IR camera
720p HD with ThinkShutter, optional Hybrid Infrared (IR)
Colors
Black, optional woven carbon fiber top cover
Black or Black with Carbon-Fiber Weave on top cover (4K UHD only)
Form Factor
Clamshell laptop computer
Material
Carbon fiber
Carbon fiber
Microphone
Dual-array microphone
4x 360-degree Microphones
4x 360-degree microphones
Speakers
2 W x 2
Stereo speakers
Dolby Atmos speakers (3x)
Dimensions
Size | Depth
9.05" (229.75 mm)
221.6 mm / 8.72 inch
245.7 mm
Size | Height
0.69" (17.5 mm)
14.9 mm / 0.59 inch
18.7 mm Touch / 18.4 mm Non-touch
Size | Width
14.08" (357.7 mm)
314.5 mm / 12.38 inch
361.8 mm
Weight
3.37 lbs (1.53 kg)
1133 g / 2.49 lbs
Starting at 1.81 kg Touch / Starting at 1.7 kg Non-touch
Display
Aspect Ratio
16:9
16:10
Brightness
250 or 400 nits
Display Diagonal
15.6"
14"
15.6"
Display Type
IPS
IPS anti-glare
IPS or OLED
Resolution
FHD (1920x1080) or 4K UHD (3840x2160)
WUXGA / FHD+ (1920x1200) or 4K UHD+ (3840x2400)
Function
Audio
Realtek ALC3281-CG, High Definition Audio with RealtekALC1309 Smart Amp
Dolby Atmos
Fast Charging
35% charge in 20 minutes
Rapid Charge
Yes
Graphics
Integrated Intel UHD or Iris Xe graphics
Integrated Intel Iris Xe graphics
NVIDIA GeForce GTX 1650 Ti Max-Q 4GB
Keyboard Backlight
Yes
Yes
Operating System
Windows 10
Windows 10
Windows 10
Processor
11th-gen Intel Core i3-1125G4, i5-1135G7, i5-1145G7, i7-1165G7, or i7-1185G7
Up to 11th-gen Intel Core i7-1185G7 Tiger Lake
Up to 10th gen Intel Core i9-10885H
SIM
Optional, micro-SIM
Nano SIM for optional WWAN
Security
Power-on Touch Fingerprint Reader, Match on Chip Touch Fingerprint Reader, dTPM 2.0 chip, HPD sensor with IR Camera
Fast Identity Online (FIDO) authentication capabilities, dTPM 2.0, Match-on-chip touch fingerprint reader
Touch Screen
Available in FHD
Optional in WUXGA
Available
Performance
Battery Life
Up to 16.7 hours
Up to 15 hours
Durability
MIL-SPEC 810G
Memory | Capacity
Up to 32GB onboard
Up to 32 GB
Up to 64GB
Memory | Type
DDR4 2666MHz
LPDDR4x 4266MHz
DDR4 2933MHz
Power Supply
Type-C 65W
65W
Storage
M.2 1TB PCIe NVMe Class 40 Solid State Drive
Up to 2TB Gen 4 PCIe SSD
Up to 4TB PCIe SSD
Production
Availability
2021-01-12
2021-02
Debut
2021-01-05 (CES 2021)
2021-01-11 (CES 2021)
2020 CES
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