In depth comparison and review of HP ProBook 450 G9 Notebook and Lenovo ThinkBook 15 G4 ABA (21DL). 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 ProBook 450 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum chassis
impressive battery life
comfortable keyboard design
strong processor performance
good security features
average display brightness
no thunderbolt support
limited graphics power
heavier than competitors
Advantages and disadvantages of Lenovo ThinkBook 15 G4 ABA (21DL) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient multitasking performance
ample connectivity options
affordable price point
decent battery life
average display quality
heavier than competitors
limited graphics performance
noisy under load
| DESIGN AND DIMENSIONS | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.94 cm x 23.39 cm x 1.99 cm | 35.7 cm x 23.5 cm x 1.89 cm |
| Weight | 1.74 kg | 1.7 kg |
| Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Natural silver | Dual tone mineral grey |
| DISPLAY | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED 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 | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent | Anti-glare, 170° viewing angle, DC dimmer |
| PROCESSOR | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.3 GHz |
| Number of Cores | 10-core | 6-core |
| Cache | L3 - 12 MB | L3 - 16 MB |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache | Integrated memory controller |
| MEMORY | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | 40 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | 3200 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 1 |
| STORAGE | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | IR camera, privacy camera | 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 ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111HSH | - |
| Bluetooth Class | Class 2 | - |
| Compliant Standards | IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED | - |
| Remote Management Protocol | SNMP 2 | - |
| Features | Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 51.3 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 ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt |
| INPUT | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-touch clickpad, gesture function, spill-resistant | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x4) (0 free) 1 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (powered) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) LAN Headphone/microphone combo jack HDMI |
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 HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Operating System (OS) | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, Microsoft 365 (Trial), HP Secure Erase, HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Fingerprint Sensor, HP Privacy Settings, HP QuickDrop, HP BIOSphere Gen6, HP Wake on WLAN, myHP, Tile, HP Smart Support | Microsoft Office (Trial) |
| MISCELLANEOUS | HP ProBook 450 G9 Notebook | Lenovo ThinkBook 15 G4 ABA (21DL) |
|---|
| Included Accessories | HP 45 Watt Smart USB-C AC Adapter | USB-C slim wall mount power adapter |
|---|---|---|
| Integrated Options | Tile module | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware 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 | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro |
| Compliant Standards | CSA, UL, VCCI, BSMI, SABS, CCC, FIPS 140-2 Level 2, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, EAC, CIT, UL 1642, low halogen, IEEE 1680, ICCP, RED, BNCI | RoHS, Energy-Related Products (ErP) Lot 6, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year | Limited warranty - 1 year - pick-up and return |
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