ASUS Chromebook CX9 CX9400CEA (HU0035) vs. Lenovo ThinkPad C14 Chromebook (21C9)

Laptop Comparison, Reviews and Tests

In depth comparison and review of ASUS Chromebook CX9 CX9400CEA (HU0035) and Lenovo ThinkPad C14 Chromebook (21C9). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.

ASUS Chromebook CX9 CX9400CEA (HU0035) Review

Advantages and disadvantages of ASUS Chromebook CX9 CX9400CEA (HU0035) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

fast boot-up speed

robust security features

efficient battery life

sharp display resolution

limited storage capacity

no HDMI port

higher price point

fewer software options

Lenovo ThinkPad C14 Chromebook (21C9) Review

Advantages and disadvantages of Lenovo ThinkPad C14 Chromebook (21C9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

efficient performance

excellent keyboard feel

good battery life

affordable price

mediocre display resolution

limited storage capacity

no high-end GPU

fewer ports available

Laptop Comparison and Tests

Difference between ASUS Chromebook CX9 CX9400CEA (HU0035) and Lenovo ThinkPad C14 Chromebook (21C9)
81 % - Design
85 % - Display
84 % - Performance
86 % - Connectivity
85 % - Battery
82 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

ASUS Chromebook CX9 CX9400CEA (HU0035) vs. Lenovo ThinkPad C14 Chromebook (21C9) Comparison Chart
DESIGN AND DIMENSIONS ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Product Type Chromebook Chromebook
Dimensions (WxDxH) 32.22 cm x 20.49 cm x 1.8 cm 32.54 cm x 21.7 cm x 1.983 cm
Weight 1.35 kg 1.56 kg
Case Material Aluminium alloy Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Star black Abyss blue
DISPLAY ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Screen Size (Type) 14" 14" - IPS
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 400 cd/m² 250 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Glossy, 92% screen-to-body ratio Anti-glare, 170° viewing angle
PROCESSOR ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
CPU Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 4.7 GHz 4.4 GHz
Number of Cores Quad-Core 10-core
Cache 12 MB 12 MB
Features Intel Smart Cache Integrated memory controller
MEMORY ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
RAM 16 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR4X SDRAM LPDDR4X SDRAM
Speed - 4266 MHz
Rated Speed - 4266 MHz
STORAGE ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) 128 GB eMMC - eMMC 5.1
AUDIO & VIDEO ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Graphics Processor (GPU) Intel Iris Xe Graphics 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 - 720p Yes - 1080p
Camera Features Privacy shutter Privacy shutter, fixed focus
Sound Harman/kardon stereo speakers, array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC5682I
Compliant Standards - High Definition Audio, Waves MaxxAudio
Audio Features Output: Smart Amp -
COMMUNICATIONS ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211 - M.2 Card
Features Dual stream (2x2) Dual stream (2x2)
BATTERY ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 50 Wh 57 Wh
Battery Life Up to 14 hours Up to 11 hours
AC ADAPTER ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 15 V, 3 A 65 Watt
INPUT ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Type Keyboard, NumberPad Keyboard, TrackPoint, UltraNav
Keyboard Backlight Yes Yes
Features Spill-resistant, chiclet keyboard, 1.5mm travel distance Spill-resistant, multi-touch touchpad, Chrome keyboard
CONNECTIONS & EXPANSIONS ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Interfaces HDMI
Headphone/microphone combo jack
USB 3.2 Gen 2
2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 2
2 x Thunderbolt 4 (supports DisplayPort 1.4) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Operating System (OS) Google Chrome OS Google Chrome OS
MISCELLANEOUS ASUS Chromebook CX9 CX9400CEA (HU0035) Lenovo ThinkPad C14 Chromebook (21C9)
Included Accessories Optical mouse, sleeve, USB-C power adapter USB-C slim power adapter
Security Titan-C Security Chip, fingerprint reader Google Security Chip H1
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 ErgoLift, MIL-STD-810H tested RapidCharge, MIL-STD-810H tested
Compliant Standards CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH RoHS, Energy-Related Products (ErP) Lot 3
ENERGY STAR Certified Yes -
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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