Acer Chromebook 311 (CB311-9H) vs. Lenovo ThinkPad C14 Chromebook (21C9)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Acer Chromebook 311 (CB311-9H) 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.

Acer Chromebook 311 (CB311-9H) Review

Advantages and disadvantages of Acer Chromebook 311 (CB311-9H) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight and portable

affordable price point

long battery life

solid build quality

efficient Chrome OS

limited storage capacity

mediocre display quality

restricted app compatibility

basic performance level

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 Acer Chromebook 311 (CB311-9H) and Lenovo ThinkPad C14 Chromebook (21C9)
72 % - Design
65 % - Display
45 % - Performance
75 % - Connectivity
85 % - Battery
82 % - Design
72 % - Display
75 % - Performance
84 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Acer Chromebook 311 (CB311-9H) vs. Lenovo ThinkPad C14 Chromebook (21C9) Comparison Chart
DESIGN AND DIMENSIONS Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Product Type Chromebook Chromebook
Dimensions (WxDxH) 29.6 cm x 19.9 cm x 1.815 cm 32.54 cm x 21.7 cm x 1.983 cm
Weight 1.1 kg 1.56 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Pure silver Abyss blue
DISPLAY Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Screen Size (Type) 11.6" - IPS 14" - IPS
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1366 x 768 (HD) 1920 x 1080 (Full HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Ultra Slim Design, anti-glare, 25 ms response rate Anti-glare, 170° viewing angle
PROCESSOR Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
CPU Intel Celeron N4000 / 1.1 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 2.6 GHz 4.4 GHz
Number of Cores Dual-Core 10-core
Cache 4 MB 12 MB
64-bit Computing Yes -
Features - Integrated memory controller
MEMORY Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type LPDDR4 SDRAM LPDDR4X SDRAM
Speed - 4266 MHz
Rated Speed - 4266 MHz
STORAGE Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Main Storage Size (HDD/SSD) 32 GB eMMC - Kingston 128 GB eMMC - eMMC 5.1
AUDIO & VIDEO Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Graphics Processor (GPU) Intel UHD Graphics 600 Intel Iris Xe Graphics
Memory Allocation Technology Shared Video Memory (UMA) -
Max Monitors Supported - 3 external monitor(s)
Camera Yes - HD Yes - 1080p
Camera Features HDR (High Dynamic Range), 88° view Privacy shutter, fixed focus
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC5682I
Compliant Standards - High Definition Audio, Waves MaxxAudio
COMMUNICATIONS Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Wireless 802.11a/b/g/n/ac Wave 2, Bluetooth 5.0 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Intel Wireless-AC 9560 - M.2 2230 Intel Wi-Fi 6E AX 211 - M.2 Card
Features - Dual stream (2x2)
BATTERY Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Technology Lithium Ion Lithium polymer
Battery Capacity (Size) 38 Wh 57 Wh
Battery Life Up to 10 hours Up to 11 hours
AC ADAPTER Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 5 / 9 / 12 / 15 / 20 V 65 Watt
INPUT Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Keyboard Backlight - Yes
Features - Spill-resistant, multi-touch touchpad, Chrome keyboard
CONNECTIONS & EXPANSIONS Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Interfaces 2 x USB 3.1
2 x USB-C 3.1 Gen 1 (DC-In combo)
Headphone/microphone combo jack
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 Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Operating System (OS) Google Chrome OS Google Chrome OS
MISCELLANEOUS Acer Chromebook 311 (CB311-9H) Lenovo ThinkPad C14 Chromebook (21C9)
Included Accessories Power adapter USB-C slim power adapter
Security - 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 - RapidCharge, MIL-STD-810H tested
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Limited warranty - 1 year - pick-up and return
Model Number C0VS -
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