Detailed comparison and review of HP ProBook 450 G9 Notebook and Acer Extensa 15 (EX215-51). 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 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
| DESIGN AND DIMENSIONS | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.94 cm x 23.39 cm x 1.99 cm | 36.34 cm x 25.05 cm x 1.99 cm |
| Weight | 1.74 kg | 1.9 kg |
| Colour | Natural silver | Shale black |
| DISPLAY | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| 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 | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display |
| PROCESSOR | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.1 GHz |
| Number of Cores | 10-core | Dual-Core |
| Cache | L3 - 12 MB | 4 MB |
| 64-bit Computing | - | Yes |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache | Intel Turbo Boost Technology 2.0 |
| MEMORY | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB (4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 32 GB | 12 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 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 | Acer Extensa 15 (EX215-51) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes - HD | Yes - HD |
| Camera Features | IR camera, privacy camera | - |
| Video Resolutions | 720p | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| COMMUNICATIONS | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | Bluetooth, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| 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) |
| BATTERY | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Technology | 3-cell lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 51.3 Wh | 48 Wh |
| AC ADAPTER | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 45 Watt, 19 V |
| INPUT | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Multi-touch clickpad, gesture function, spill-resistant | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad |
| CONNECTIONS & EXPANSIONS | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| 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 |
HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
|---|
| SOFTWARE | HP ProBook 450 G9 Notebook | Acer Extensa 15 (EX215-51) |
|---|
| 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 in S mode |
|---|---|---|
| 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 | Acer Extensa 15 (EX215-51) |
|---|
| Included Accessories | HP 45 Watt Smart USB-C AC Adapter | Power adapter, HDD kit |
|---|---|---|
| Integrated Options | Tile module | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | - |
| Security Slot Type | Kensington nano security slot | Kensington 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 | MU-MIMO technology |
| 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 | - |
| 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 - carry-in International travellers warranty - 1 year |
| Model Number | - | 39SK |
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