Lenovo IdeaPad 4G 14Q8C05 (82KE) vs. Lenovo ThinkBook 15 G4 IAP (21DJ)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad 4G 14Q8C05 (82KE) and Lenovo ThinkBook 15 G4 IAP (21DJ). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo IdeaPad 4G 14Q8C05 (82KE) Review

Advantages and disadvantages of Lenovo IdeaPad 4G 14Q8C05 (82KE) based on its technical characteristics, features, user experience, expert reviews and price level.

lightweight design

affordable price

solid battery life

decent performance

good connectivity options

average display quality

limited storage capacity

basic graphics

no thunderbolt support

Lenovo ThinkBook 15 G4 IAP (21DJ) Review

Advantages and disadvantages of Lenovo ThinkBook 15 G4 IAP (21DJ) based on its technical characteristics, features, user experience, expert reviews and price level.

robust aluminum design

efficient multitasking performance

comprehensive connectivity options

fast charging support

competitive pricing

average display quality

modest battery life

limited graphics performance

noisy under load

Laptop Comparison and Tests

Difference between Lenovo IdeaPad 4G 14Q8C05 (82KE) and Lenovo ThinkBook 15 G4 IAP (21DJ)
82 % - Design
85 % - Display
62 % - Performance
85 % - Connectivity
85 % - Battery
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad 4G 14Q8C05 (82KE) vs. Lenovo ThinkBook 15 G4 IAP (21DJ) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 32.17 cm x 20.7 cm x 1.49 cm 35.7 cm x 23.5 cm x 1.89 cm
Weight 1.2 kg 1.7 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Aluminium (top), polycarbonate ABS (bottom)
Colour Light silver Dual tone mineral grey
DISPLAY Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Screen Size (Type) 14" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight 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 300 cd/m² 300 cd/m²
Colour Gamut 100% sRGB 45% NTSC
Features Anti-glare Anti-glare, 170° viewing angle
PROCESSOR Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
CPU Qualcomm Snapdragon 8c Kryo 490 Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 2.45 GHz 4.4 GHz
Number of Cores 8-core 10-core
Cache - 12 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
RAM 8 GB (provided memory is soldered) 8 GB (provided memory is soldered)
Max RAM Supported - 40 GB
RAM Type LPDDR4X SDRAM DDR4 SDRAM
Speed 1866 MHz 3200 MHz
Rated Speed 1866 MHz 3200 MHz
Form Factor - SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Graphics Processor (GPU) Qualcomm Adreno 675 Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 3 external monitor(s)
Camera Yes - 720p Yes - 1080p
Camera Features IR camera, Windows Hello, fixed focus Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Qualcomm WCD9341 Realtek ALC3287
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
COMMUNICATIONS Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller - M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Dual stream (2x2) Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation 4G -
Technology LTE Advanced -
Controller Qualcomm QGM8180X -
BATTERY Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 51 Wh 45 Wh
Battery Life Up to 20 hours Up to 8 hours
Battery Run Time Local video (1080p) playback time (150 nits): up to 20 hours Local video (1080p) playback time (150 nits): up to 8 hours
AC ADAPTER Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 65 Watt
INPUT Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes Yes
Features Multi-touch touchpad, buttonless touchpad, precision touchpad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Slots 1 x Nano-SIM card (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
LAN
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Operating System (OS) Windows 11 Home (on ARM) - English Windows 11 Pro - English
Software Included Microsoft Office (Trial) Microsoft Office (Trial)
MISCELLANEOUS Lenovo IdeaPad 4G 14Q8C05 (82KE) Lenovo ThinkBook 15 G4 IAP (21DJ)
Included Accessories USB-C power adapter USB-C slim wall mount power adapter
Integrated Options Proximity sensor -
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type - Kensington nano security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features Administrator password, hard drive password, power-on password Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 8 - 95% 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
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