Lenovo IdeaPad 3 CB 11AST5 (82H4) vs. HP Elite c640 G3 Chromebook

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo IdeaPad 3 CB 11AST5 (82H4) and HP Elite c640 G3 Chromebook. 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.

Lenovo IdeaPad 3 CB 11AST5 (82H4) Review

Advantages and disadvantages of Lenovo IdeaPad 3 CB 11AST5 (82H4) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

compact and lightweight

efficient Chrome OS

solid build quality

decent battery life

limited storage capacity

mediocre display resolution

basic performance level

fewer connectivity options

HP Elite c640 G3 Chromebook Review

Advantages and disadvantages of HP Elite c640 G3 Chromebook based on its technical characteristics, features, user experience, expert reviews and price level.

robust security features

responsive keyboard design

lightweight and portable

efficient Chrome OS

fast charging support

limited app compatibility

average display quality

no Windows or macOS

modest storage capacity

Laptop Comparison and Tests

Difference between Lenovo IdeaPad 3 CB 11AST5 (82H4) and HP Elite c640 G3 Chromebook
75 % - Design
64 % - Display
65 % - Performance
75 % - Connectivity
75 % - Battery
81 % - Design
75 % - Display
75 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad 3 CB 11AST5 (82H4) vs. HP Elite c640 G3 Chromebook Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Product Type Chromebook Chromebook
Dimensions (WxDxH) 28.67 cm x 20.55 cm x 1.805 cm 32.3 cm x 22.1 cm x 1.98 cm
Weight 1.12 kg 1.54 kg
Case Material Polycarbonate ABS -
Colour Onyx black -
DISPLAY Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Screen Size (Type) 11.6" - TN 14" - IPS
Touchscreen - Yes
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1366 x 768 (HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent
PROCESSOR Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
CPU AMD A4 9120C / 1.6 GHz Intel Pentium Gold 8505 / 1.2 GHz
Max Turbo Speed 2.4 GHz 4.4 GHz
Number of Cores Dual-Core 5-core
Cache L2 - 1 MB L3 - 8 MB
Features Integrated memory controller Intel Turbo Boost Technology
MEMORY Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
RAM 4 GB (provided memory is soldered) 8 GB (provided memory is soldered)
RAM Type DDR4 SDRAM LPDDR4X SDRAM
Speed 1866 MHz 4266 MHz
Rated Speed 1866 MHz 4266 MHz
STORAGE Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Main Storage Size (HDD/SSD) 64 GB eMMC - eMMC 5.1 64 GB eMMC
AUDIO & VIDEO Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Graphics Processor (GPU) AMD Radeon R4 Intel Iris Xe Graphics
Max Monitors Supported 1 external monitor(s) -
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera Yes - 720p Yes
Resolution - 5 Megapixel
Camera Features Fixed focus Privacy shutter, HP Privacy
Sound Stereo speakers, microphone Dual stereo speakers, dual array microphone
Codec - Realtek ALC5682I-VS
Compliant Standards High Definition Audio -
Audio Features - Output: Bang & Olufsen Audio; Input: AI noise reduction
COMMUNICATIONS Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Intel Wi-Fi 6E AX 211 - PCI Express Mini Card (M.2)
Bluetooth Class - Class 2
Compliant Standards - IEEE 802.11d, IEEE 802.11i, Wi-Fi CERTIFIED, IEEE 802.11h, IEEE 802.11e, IEEE 802.11k, IEEE 802.11r, IEEE 802.11v
Features Dual stream (2x2) Dual stream (2x2), MU-MIMO, CNVi
BATTERY Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 47 Wh 58.84 Wh
Battery Life Up to 10 hours -
Battery Weight - 230 g
AC ADAPTER Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Input AC 100-240 V (50/60 Hz) AC 115-230 V (50/60 Hz)
Output 45 Watt 45 Watt, 5 / 9 / 12 / 15 V, 5 A
INPUT Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Type Keyboard, touchpad Keyboard, ClickPad
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Volume control, spill-resistant, multi-touch clickpad, gesture function, glass clickpad, pick resistant
CONNECTIONS & EXPANSIONS Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Interfaces 2 x USB 3.2 Gen 1
2 x USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery)
Headphone/microphone combo jack
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1 (charging)
Headphone/microphone combo jack
HDMI
Memory Card Reader Yes (microSD) Yes (microSD)
SOFTWARE Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Operating System (OS) Google Chrome OS Google Chrome OS - English
Software Included - HP QuickDrop
MISCELLANEOUS Lenovo IdeaPad 3 CB 11AST5 (82H4) HP Elite c640 G3 Chromebook
Included Accessories USB-C power adapter HP 45 Watt nPFC USB-C AC Adapter
Security Google Security Chip H1 Titan-C Security Chip
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 - HP Fast Charge, Zero Touch Enrollment
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, ICCP
SAR Value 0.152 W/kg (body), 0.152 W/kg (limb) -
ENERGY STAR Certified Yes -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 0 °C
Humidity Range Operating 8 - 95% 10 - 90%
Manufacturer Warranty Limited warranty - 1 year - carry-in -
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