HP Laptop 15s vs. Lenovo ThinkBook 15 G4 IAP (21DJ)

Laptop Comparison, Reviews and Tests
HP Laptop 15s
HP Laptop 15s

Our Rating: 75 %

In depth comparison and review of HP Laptop 15s and Lenovo ThinkBook 15 G4 IAP (21DJ). 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.

HP Laptop 15s Review

Advantages and disadvantages of HP Laptop 15s based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent battery life

solid state drive included

full hd display

average processor speed

limited graphics performance

no backlit keyboard

fewer connectivity options

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 HP Laptop 15s and Lenovo ThinkBook 15 G4 IAP (21DJ)
74 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

HP Laptop 15s vs. Lenovo ThinkBook 15 G4 IAP (21DJ) Comparison Chart
DESIGN AND DIMENSIONS HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 35.85 cm x 24.2 cm x 1.79 cm 35.7 cm x 23.5 cm x 1.89 cm
Weight 1.69 kg 1.7 kg
Case Material - Aluminium (top), polycarbonate ABS (bottom)
Colour Jet black, mesh knit pattern with texture finish Dual tone mineral grey
DISPLAY HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Screen Size (Type) 15.6" 15.6" - IPS
LCD Backlight Technology - 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 220 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, Micro Edge Anti-glare, 170° viewing angle
PROCESSOR HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
CPU AMD Athlon Silver 3050U / 2.3 GHz Intel Core i5 (12th Gen) 1235U / 1.3 GHz
Max Turbo Speed 3.2 GHz 4.4 GHz
Number of Cores Dual-Core 10-core
Cache L3 - 4 MB 12 MB
Features - Integrated memory controller
MEMORY HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
RAM 4 GB (1 x 4 GB (non customer accessible / upgradeable)) 8 GB (provided memory is soldered)
Max RAM Supported - 40 GB
RAM Type DDR4 SDRAM - non-ECC DDR4 SDRAM
Speed 2400 MHz 3200 MHz
Rated Speed 2400 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty - 1
Empty Slots - 1
STORAGE HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 SATA - triple-level cell (TLC) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Graphics Processor (GPU) AMD Radeon Graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Camera Yes - HD Yes - 1080p
Camera Features HP TrueVision HD Privacy shutter, fixed focus
Video Resolutions 720p -
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio
COMMUNICATIONS HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Realtek RTL8821CE M.2 Card
Network Interface - Gigabit Ethernet
Ethernet Controller - Intel I219-V
Features Miracast, single stream (1x1), MU-MIMO Wake-on-LAN (WOL), dual stream (2x2)
BATTERY HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Technology 3-cell Lithium Ion Lithium polymer
Battery Capacity (Size) 41 Wh 45 Wh
Battery Life Up to 9.25 hours Up to 8 hours
Battery Run Time Video playback: up to 9.25 hours Local video (1080p) playback time (150 nits): up to 8 hours
AC ADAPTER HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Input - AC 100-240 V (50/60 Hz)
Output 45 Watt 65 Watt
INPUT HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Type Keyboard, imagepad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Precision touchpad, multi-touch ImagePad Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Interfaces 2 x USB 3.1 Gen 1
USB-C 3.1 Gen 1
HDMI
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 Yes (SD Card) 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Operating System (OS) Windows 10 Home in S mode - English Windows 11 Pro - English
Software Included HP Support Assistant, HP CoolSense, Microsoft 365 (30 days trial), McAfee LiveSafe, HP 3D DriveGuard, HP JumpStart, Alexa, ExpressVPN (30 days trial) Microsoft Office (Trial)
MISCELLANEOUS HP Laptop 15s Lenovo ThinkBook 15 G4 IAP (21DJ)
Included Accessories HP 45 Watt Smart AC Adapter USB-C slim wall mount power adapter
Security - 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 HP Fast Charge Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro
Compliant Standards - RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution)
ENERGY STAR Certified Yes Yes
EPEAT Compliant EPEAT Silver EPEAT Gold
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - parts and labour - 1 year - pick-up and return Limited warranty - 1 year - pick-up and return
Model Number eq1540sa -
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