Lenovo ThinkPad L15 Gen 3 (21C3) vs. HP ProBook 455 G10 Notebook

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C3) and HP ProBook 455 G10 Notebook. 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.

Lenovo ThinkPad L15 Gen 3 (21C3) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C3) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good battery life

reliable performance

decent connectivity options

mediocre display quality

heavier design

limited graphics performance

higher price point

HP ProBook 455 G10 Notebook Review

Advantages and disadvantages of HP ProBook 455 G10 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

strong amd performance

durable chassis design

comfortable keyboard layout

good security features

affordable price point

average display quality

modest battery life

no thunderbolt support

heavier build

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C3) and HP ProBook 455 G10 Notebook
85 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C3) vs. HP ProBook 455 G10 Notebook Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 35.94 cm x 23.39 cm x 1.99 cm
Weight 1.76 kg 1.74 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Pike silver plastic
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Screen Size (Type) 15.6" - IPS 15.6" - IPS
LCD Backlight Technology LED backlight WLED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Image Brightness 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, narrow bezel bent
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz AMD Ryzen 3 7330U / 2.3 GHz
Max Turbo Speed 4.4 GHz 4.3 GHz
Number of Cores 10-core Quad-Core
Cache 12 MB L3 - 8 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
RAM 8 GB (2 x 4 GB) 8 GB (1 x 8 GB)
Max RAM Supported 64 GB 32 GB
RAM Type DDR4 SDRAM DDR4 SDRAM - non-ECC
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 0 1
STORAGE Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 256 GB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon Graphics
Max Monitors Supported 3 external monitor(s) -
Video System Features Functions as Intel UHD graphics (for single-channel memory) -
Camera Yes - 1080p Yes - HD
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter
Video Resolutions - 720p
Sound Stereo speakers, dual array microphone Dual stereo speakers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3247-CG
Compliant Standards High Definition Audio, Dolby Audio, Dolby Voice -
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 wireless card
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 Card MediaTek RZ616 - PCI Express Mini Card (M.2)
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Realtek RTL8111HSH
Bluetooth Class - Class 1.5
Compliant Standards - Wi-Fi CERTIFIED
Remote Management Protocol - SNMP 2
Features Wake-on-LAN (WOL), dual stream (2x2) Miracast, dual stream (2x2), MU-MIMO
WWAN
Generation 4G upgradable -
BATTERY Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 57 Wh 42.75 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Input AC 100-240 V (50/60 Hz) AC 115/230 V (50/60 Hz)
Output 65 Watt 45 Watt, 5 / 9 / 12 / 15 V, 5 A
INPUT Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Type Keyboard, TrackPoint, UltraNav Keyboard, ClickPad
Keyboard Name - HP Premium
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Multi-touch clickpad, gesture function, spill-resistant
CONNECTIONS & EXPANSIONS Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Interfaces 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
HDMI
LAN
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
3 x USB 3.2 Gen 1
HDMI 2.1
LAN
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English Windows 11 Home - English
Software Included - HP Support Assistant, HP Power Manager, HP Hotkey Support, HP Client Catalogue (free download), HP Driver Packs, HP PC Hardware Diagnostics, HP Manageability & Integration Kit (free download), HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, HP Image Assistant Gen5 (free download), HP Smart Support (free download)
MISCELLANEOUS Lenovo ThinkPad L15 Gen 3 (21C3) HP ProBook 455 G10 Notebook
Included Accessories USB-C power adapter HP 45 Watt Smart USB-C AC Adapter
Integrated Options - HP Tamper Lock
Security Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader
Security Slot Type Kensington nano 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 BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, HP Secure Erase, MIL-STD-810H tested
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified CSA, UL, VCCI, BSMI, GS, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, KCC, ICES, Common Criteria EAL4+, KC, Ukraine
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 0 °C
Humidity Range Operating 8 - 95% 10 - 90% (non-condensing)
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
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