Lenovo ThinkBook 15 G4 IAP (21DJ) vs. HP ProBook 455 G10 Notebook

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo ThinkBook 15 G4 IAP (21DJ) and HP ProBook 455 G10 Notebook. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

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

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 ThinkBook 15 G4 IAP (21DJ) and HP ProBook 455 G10 Notebook
81 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery
82 % - Design
72 % - Display
75 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkBook 15 G4 IAP (21DJ) vs. HP ProBook 455 G10 Notebook Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 35.7 cm x 23.5 cm x 1.89 cm 35.94 cm x 23.39 cm x 1.99 cm
Weight 1.7 kg 1.74 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) -
Colour Dual tone mineral grey Pike silver plastic
DISPLAY Lenovo ThinkBook 15 G4 IAP (21DJ) 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 300 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 ThinkBook 15 G4 IAP (21DJ) 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 ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
RAM 8 GB (provided memory is soldered) 8 GB (1 x 8 GB)
Max RAM Supported 40 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 1 2
Empty Slots 1 1
STORAGE Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) 256 GB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Graphics Processor (GPU) Intel Iris Xe Graphics AMD Radeon Graphics
Max Monitors Supported 3 external monitor(s) -
Camera Yes - 1080p Yes - HD
Camera Features Privacy shutter, 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 -
COMMUNICATIONS Lenovo ThinkBook 15 G4 IAP (21DJ) 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 M.2 Card MediaTek RZ616 - PCI Express Mini Card (M.2)
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller Intel I219-V 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
BATTERY Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 45 Wh 42.75 Wh
Battery Life Up to 8 hours -
Battery Run Time Local video (1080p) playback time (150 nits): up to 8 hours -
AC ADAPTER Lenovo ThinkBook 15 G4 IAP (21DJ) 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 ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Type Keyboard, touchpad Keyboard, ClickPad
Keyboard Name - HP Premium
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad Multi-touch clickpad, gesture function, spill-resistant
CONNECTIONS & EXPANSIONS Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Interfaces 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
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 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Operating System (OS) Windows 11 Pro - English Windows 11 Home - English
Software Included Microsoft Office (Trial) 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 ThinkBook 15 G4 IAP (21DJ) HP ProBook 455 G10 Notebook
Included Accessories USB-C slim wall mount power adapter HP 45 Watt Smart USB-C AC Adapter
Integrated Options - HP Tamper Lock
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro 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, TUV Rheinland Low Blue Light (Software Solution) 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 Limited warranty - 1 year - pick-up and return Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
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