In depth comparison and review of HP ProBook 450 G9 Notebook and Lenovo IdeaPad 520-15IKB (81BF). 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 IdeaPad 520-15IKB (81BF) based on its technical characteristics, features, user experience, expert reviews and price level.
robust metal design
crisp full HD display
backlit keyboard feature
adequate processing power
reasonable price point
average battery life
limited graphics performance
heavier than competitors
no USB-C port
| DESIGN AND DIMENSIONS | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.94 cm x 23.39 cm x 1.99 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 1.74 kg | 2.2 kg |
| Case Material | - | Metal |
| Colour | Natural silver | Golden |
| DISPLAY | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | 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 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent | Anti-glare |
| PROCESSOR | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i5 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4 GHz |
| Number of Cores | 10-core | Quad-Core |
| Cache | L3 - 12 MB | 8 MB |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache | Integrated memory controller |
| MEMORY | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | 2133 MHz |
| Rated Speed | 3200 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 2 TB HDD SATA 6Gb/s / 5400 rpm |
|---|---|---|
| Optical Drive | - | DVD±RW |
| AUDIO & VIDEO | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | NVIDIA GeForce MX150 / Intel UHD Graphics 620 |
| Video Memory | - | 4 GB GDDR5 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | IR camera, privacy camera | Fixed focus |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| 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 | Single stream (1x1) |
| BATTERY | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Technology | 3-cell lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 51.3 Wh | 35 Wh |
| Battery Life | - | Up to 6 hours |
| AC ADAPTER | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| 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 IdeaPad 520-15IKB (81BF) |
|---|
| 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 | - |
| CONNECTIONS & EXPANSIONS | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| 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 |
USB-C 3.0 2 x USB 3.0 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 IdeaPad 520-15IKB (81BF) |
|---|
| Operating System (OS) | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 Home 64-bit Edition - 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 | - |
| MISCELLANEOUS | HP ProBook 450 G9 Notebook | Lenovo IdeaPad 520-15IKB (81BF) |
|---|
| Included Accessories | HP 45 Watt Smart USB-C AC Adapter | Power adapter |
|---|---|---|
| Integrated Options | Tile module | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington mini 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 |
| 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 STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - parts and labour - 1 year | Limited warranty - 1 year - pick-up and return |
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