Detailed comparison and review of HP 255 G6 Notebook 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.
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 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 38 cm x 25.38 cm x 2.38 cm | 35.7 cm x 23.5 cm x 1.89 cm |
Weight | 1.86 kg | 1.7 kg |
Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
Colour | Jet black | Dual tone mineral grey |
DISPLAY | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Screen Size (Type) | 15.6" - TN | 15.6" - IPS |
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LCD Backlight Technology | WLED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | 100 | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 220 cd/m² | 300 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Slim Design, HD standard-viewing angle (SVA) eDP anti-glare | Anti-glare, 170° viewing angle |
PROCESSOR | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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CPU | AMD A6 9220 / 2.5 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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Max Turbo Speed | 2.9 GHz | 4.4 GHz |
Number of Cores | Dual-Core | 10-core |
Cache | L2 - 1 MB | 12 MB |
64-bit Computing | Yes | - |
Features | - | Integrated memory controller |
MEMORY | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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RAM | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 8 GB | 40 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz / PC4-19200 | 3200 MHz |
Rated Speed | 2400 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 0 | 1 |
STORAGE | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s - HP Value | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
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Optical Drive | DVD-Writer | - |
AUDIO & VIDEO | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Graphics Processor (GPU) | AMD Radeon R4 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Camera | - | Yes - 1080p |
Camera Features | - | Privacy shutter, fixed focus |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio |
COMMUNICATIONS | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | Intel Dual Band Wireless-AC 3168 - PCI Express Mini Card (M.2) | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Intel I219-V |
Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
Features | Single stream (1x1) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Technology | 3-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 31 Wh | 45 Wh |
Battery Life | - | Up to 8 hours |
Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 8 hours |
AC ADAPTER | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 65 Watt |
INPUT | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | - | Yes |
Features | Multi-touch touchpad, touchpad with gesture support | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
CONNECTIONS & EXPANSIONS | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Interfaces | 2 x USB 3.1 Gen 1 USB 2.0 VGA HDMI Headphone/microphone combo jack LAN |
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 |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Pro - English |
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Software Included | HP Support Assistant, Bing Toolbar, HP ePrint, HP PC Hardware Diagnostics UEFI, Recovery Manager Installer, Microsoft Push Button Recovery, CyberLink Power Media Player, HP Touchpoint Manager, HP System Event Utility, HP JumpStart | Microsoft Office (Trial) |
MISCELLANEOUS | HP 255 G6 Notebook | Lenovo ThinkBook 15 G4 IAP (21DJ) |
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Included Accessories | Power adapter | USB-C slim wall mount power adapter |
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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 security slot | Kensington nano security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | - | 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 Gold |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 5 °C |
Humidity Range Operating | - | 8 - 95% |
Manufacturer Warranty | Limited warranty - 1 year Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |