Lenovo
X1 Carbon
vs
Lenovo
T490s
Disclaimer
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Lenovo ThinkPad Serie X X1 Carbon 20R1002AAU alternatives
Lenovo ThinkPad Serie T T490s 20NYS7K91E alternatives
specs
Lenovo
X1 Carbon
Weight & dimensions
compared
Lenovo
T490s
217 mm
Depth:
not available
14.9 mm
Height:
not available
1.09 kg
Weight:
not available
323 mm
Width:
not available
Lenovo
X1 Carbon
Battery
compared
Lenovo
T490s
51 Wh
Battery capacity (Watt-hours):
57 Wh
18.3 h
Battery life (max):
20 h
Lithium Polymer (LiPo)
Battery technology:
Lithium Polymer (LiPo)
Fast charging:
Lenovo
X1 Carbon
Software
compared
Lenovo
T490s
64-bit
Operating system architecture:
not available
Windows 10 Pro
Operating system installed:
N
Lenovo
X1 Carbon
Keyboard
compared
Lenovo
T490s
Keyboard backlit:
not available
Numeric keypad:
ThinkPad UltraNav
Pointing device:
ThinkPad UltraNav
Spill-resistant keyboard:
Lenovo
X1 Carbon
Camera
compared
Lenovo
T490s
Front camera:
HD
Front camera HD type:
HD
Privacy camera:
Privacy shutter
Privacy type:
Privacy shutter
Lenovo
X1 Carbon
Audio
compared
Lenovo
T490s
Realtek ALC3286
Audio chip:
Realtek ALC3287
Built-in microphone:
4
Number of built-in speakers:
2
not available
Speaker power:
1 W
Lenovo
X1 Carbon
Ports & interfaces
compared
Lenovo
T490s
Combo headphone/mic port:
not available
Docking connector:
1
HDMI ports quantity:
1
1.4b
HDMI version:
1.4b
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
2
not available
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity:
1
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
1
USB Power Delivery:
not available
USB Sleep-and-Charge:
not available
1
USB Sleep-and-Charge ports:
not available
USB Type-C DisplayPort Alternate Mode:
not available
Lenovo
X1 Carbon
Networking
compared
Lenovo
T490s
2x2
Antenna type:
2x2
Bluetooth:
5.1
Bluetooth version:
5.0
Wi-Fi 5 (802.11ac)
Top Wi-Fi standard:
not available
Intel Dual Band Wireless-AC 9560
WLAN controller model:
Intel Dual Band Wireless-AC 9560
Wi-Fi 5 (802.11ac)
Wi-Fi standards:
not available
Lenovo
X1 Carbon
Optical drive
compared
Lenovo
T490s
Optical drive type:
Lenovo
X1 Carbon
Storage
compared
Lenovo
T490s
Card reader integrated:
not available
Compatible memory cards:
MicroSD (TransFlash)
1
Number of SSDs installed:
not available
256 GB
SSD capacity:
not available
M.2
SSD form factor:
not available
PCI Express
SSD interface:
not available
SSD
Storage media:
not available
256 GB
Total SSDs capacity:
not available
256 GB
Total storage capacity:
not available
Lenovo
X1 Carbon
Graphics
compared
Lenovo
T490s
Discrete graphics adapter:
Not available
Discrete graphics adapter model:
Not available
32 GB
Maximum on-board graphics adapter memory:
not available
24
Number of execution units:
not available
On-board graphics adapter:
12.0
On-board graphics adapter DirectX version:
not available
4.5
On-board graphics adapter OpenGL version:
not available
300 MHz
On-board graphics adapter base frequency:
not available
1150 MHz
On-board graphics adapter dynamic frequency (max):
not available
not available
On-board graphics adapter family:
Intel UHD Graphics
Intel UHD Graphics
On-board graphics adapter model:
Intel UHD Graphics
Lenovo
X1 Carbon
Display
compared
Lenovo
T490s
700:1
Contrast ratio (typical):
not available
300 cd/m²
Display brightness:
not available
14 inch
Display diagonal:
14 inch
2560 x 1440 pixels
Display resolution:
not available
Quad HD
HD type:
not available
LED backlight:
16:9
Native aspect ratio:
16:9
IPS
Panel type:
IPS
Touchscreen:
not available
Lenovo
X1 Carbon
Memory
compared
Lenovo
T490s
8 GB
Internal memory:
32 GB
LPDDR3-SDRAM
Internal memory type:
DDR4-SDRAM
8 GB
Maximum internal memory:
32 GB
2133 MHz
Memory clock speed:
2400 MHz
On-board
Memory form factor:
On-board
Lenovo
X1 Carbon
Processor
compared
Lenovo
T490s
25 W
Configurable TDP-up:
not available
2.3 GHz
Configurable TDP-up frequency:
not available
4.9 GHz
Processor boost frequency:
not available
8 MB
Processor cache:
not available
Comet Lake
Processor codename:
not available
4
Processor cores:
not available
10th gen Intel Core i7
Processor family:
not available
1.8 GHz
Processor frequency:
not available
14 nm
Processor lithography:
not available
Intel
Processor manufacturer:
Intel
i7-10510U
Processor model:
not available
BGA 1528
Processor socket:
not available
8
Processor threads:
not available
15 W
Thermal Design Power (TDP):
not available
Lenovo
X1 Carbon
Security
compared
Lenovo
T490s
Cable lock slot:
Fingerprint reader:
not available
Password protection:
HDD, Power on, Supervisor
Password protection type:
HDD, Power on, SSD, Supervisor
Trusted Platform Module (TPM):
Lenovo
X1 Carbon
generalInfo
compared
Lenovo
T490s
ThinkPad
Family:
ThinkPad
Clamshell
Form factor:
Clamshell
Carbon fibre, Magnesium
Housing material:
Magnesium
Black
Product colour:
Black
Notebook
Product type:
Notebook
X
Series:
T