Acer
R852T-C639
vs
Lenovo
T490s
Disclaimer
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Acer Chromebook Serie Spin 512 R852T-C639 NX.HVLEH.006 alternatives
Lenovo ThinkPad Serie T T490s 20NYS8QE0M alternatives
specs
Acer
R852T-C639
Power
compared
Lenovo
T490s
45 W
AC adapter power:
not available
Acer
R852T-C639
Weight & dimensions
compared
Lenovo
T490s
230.6 mm
Depth:
not available
20.3 mm
Height:
not available
2.03 cm
Height (rear):
not available
1.55 kg
Weight:
not available
296 mm
Width:
not available
Acer
R852T-C639
Battery
compared
Lenovo
T490s
3920 mAh
Battery capacity:
not available
not available
Battery capacity (Watt-hours):
57 Wh
not available
Battery life (max):
20 h
Lithium-Ion (Li-Ion)
Battery technology:
Lithium Polymer (LiPo)
not available
Fast charging:
3
Number of battery cells:
not available
Acer
R852T-C639
Software
compared
Lenovo
T490s
not available
Operating system architecture:
64-bit
Chrome OS
Operating system installed:
Windows 10 Pro
Acer
R852T-C639
Performance
compared
Lenovo
T490s
Gyroscope:
not available
Acer
R852T-C639
Keyboard
compared
Lenovo
T490s
Keyboard backlit:
not available
Numeric keypad:
Touchpad
Pointing device:
ThinkPad UltraNav
not available
Spill-resistant keyboard:
Acer
R852T-C639
Camera
compared
Lenovo
T490s
Front camera:
HD
Front camera HD type:
HD
1280 x 720 pixels
Front camera resolution:
not available
not available
Privacy camera:
not available
Privacy type:
Privacy shutter
Acer
R852T-C639
Audio
compared
Lenovo
T490s
not available
Audio chip:
Realtek ALC3287
Built-in microphone:
2
Number of built-in speakers:
2
not available
Speaker power:
1 W
Acer
R852T-C639
Ports & interfaces
compared
Lenovo
T490s
Combo headphone/mic port:
not available
Docking connector:
not available
HDMI ports quantity:
1
not available
HDMI version:
1.4b
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
2
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity:
1
not available
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
1
Acer
R852T-C639
Networking
compared
Lenovo
T490s
2x2
Antenna type:
2x2
Bluetooth:
5.0
Bluetooth version:
5.0
Ethernet LAN:
not available
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
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi standards:
not available
Acer
R852T-C639
Optical drive
compared
Lenovo
T490s
Optical drive type:
Acer
R852T-C639
Storage
compared
Lenovo
T490s
Card reader integrated:
MicroSD (TransFlash), MicroSDXC
Compatible memory cards:
MicroSD (TransFlash)
Flash
Flash drive interface:
not available
32 GB
Flash memory:
not available
Flash
Storage media:
not available
32 GB
Total storage capacity:
not available
Acer
R852T-C639
Graphics
compared
Lenovo
T490s
Discrete graphics adapter:
Not available
Discrete graphics adapter model:
Not available
not available
Maximum on-board graphics adapter memory:
32 GB
On-board graphics adapter:
not available
On-board graphics adapter DirectX version:
12.0
not available
On-board graphics adapter OpenGL version:
4.5
not available
On-board graphics adapter base frequency:
300 MHz
not available
On-board graphics adapter dynamic frequency (max):
1100 MHz
not available
On-board graphics adapter family:
Intel UHD Graphics
Intel UHD Graphics 600
On-board graphics adapter model:
Intel UHD Graphics 620
Acer
R852T-C639
Display
compared
Lenovo
T490s
12 inch
Display diagonal:
14 inch
1366 x 912 pixels
Display resolution:
not available
HD+
HD type:
not available
LED backlight:
3:2
Native aspect ratio:
16:9
IPS
Panel type:
IPS
Touchscreen:
not available
Acer
R852T-C639
Memory
compared
Lenovo
T490s
4 GB
Internal memory:
not available
LPDDR4-SDRAM
Internal memory type:
DDR4-SDRAM
not available
Memory clock speed:
2400 MHz
not available
Memory form factor:
On-board
Acer
R852T-C639
Processor
compared
Lenovo
T490s
not available
Configurable TDP-up:
25 W
not available
Configurable TDP-up frequency:
1.9 GHz
2.8 GHz
Processor boost frequency:
4.1 GHz
4 MB
Processor cache:
6 MB
not available
Processor codename:
Whiskey Lake
2
Processor cores:
4
Intel Celeron
Processor family:
8th gen Intel Core i5
1.1 GHz
Processor frequency:
1.6 GHz
not available
Processor lithography:
14 nm
Intel
Processor manufacturer:
Intel
N4020
Processor model:
i5-8365U
not available
Processor socket:
BGA 1528
not available
Processor threads:
8
not available
Thermal Design Power (TDP):
15 W
Acer
R852T-C639
Security
compared
Lenovo
T490s
Cable lock slot:
Kensington
Cable lock slot type:
not available
not available
Password protection:
not available
Password protection type:
HDD, Power on, SSD, Supervisor
Trusted Platform Module (TPM):
Acer
R852T-C639
generalInfo
compared
Lenovo
T490s
Chromebook
Family:
ThinkPad
Convertible (Folder)
Form factor:
Clamshell
not available
Housing material:
Magnesium
Black
Product colour:
Black
Chromebook
Product type:
Notebook
Spin 512
Series:
T