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.
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
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
| 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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