Detailed comparison and review of HP 255 G6 Notebook and Lenovo ThinkPad L15 Gen 3 (21C4). 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 ThinkPad L15 Gen 3 (21C4) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate port selection
average display brightness
heavier than competitors
limited graphics performance
no thunderbolt support
DESIGN AND DIMENSIONS | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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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 | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.86 kg | 1.76 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Jet black | Thunder black |
DISPLAY | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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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 | 250 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 ThinkPad L15 Gen 3 (21C4) |
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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 ThinkPad L15 Gen 3 (21C4) |
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RAM | 4 GB (1 x 4 GB (non customer accessible / upgradeable)) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 8 GB | 64 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 | 2 |
Empty Slots | 0 | 1 |
STORAGE | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s - HP Value | 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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Optical Drive | DVD-Writer | - |
AUDIO & VIDEO | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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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, IR camera, Windows Hello, 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 ThinkPad L15 Gen 3 (21C4) |
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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) | Intel Wi-Fi 6 AX 201 |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Compliant Standards | IEEE 802.3ab, IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
Features | Single stream (1x1) | - |
BATTERY | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Technology | 3-cell Lithium Ion | 3-cell lithium polymer |
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Battery Capacity (Size) | 31 Wh | 57 Wh |
AC ADAPTER | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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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, 5 / 9 / 15 / 20 V |
INPUT | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | - | Yes |
Features | Multi-touch touchpad, touchpad with gesture support | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Interfaces | 2 x USB 3.1 Gen 1 USB 2.0 VGA HDMI Headphone/microphone combo jack LAN |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
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Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (microSD) |
SOFTWARE | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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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 | - |
MISCELLANEOUS | HP 255 G6 Notebook | Lenovo ThinkPad L15 Gen 3 (21C4) |
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Included Accessories | Power adapter | USB-C power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | Discrete 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
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 |
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