Detailed comparison and review of HP ProBook 640 G4 Notebook and HP ProBook 450 G9 Notebook. 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
| DESIGN AND DIMENSIONS | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 34 cm x 24 cm x 2.095 cm | 35.94 cm x 23.39 cm x 1.99 cm |
| Weight | 1.73 kg | 1.74 kg |
| Colour | Natural silver | Natural silver |
| DISPLAY | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | - | WLED backlight |
| Screen Resolution | - | 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 |
| Colour Gamut | - | 45% NTSC |
| Features | - | Full HD ultra wide-viewing angle (UWVA) anti-glare, narrow bezel bent |
| PROCESSOR | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| CPU | Intel Core i5 (7th Gen) 7200U / 2.5 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 3 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Hyper-Threading Technology, Intel Turbo Boost Technology, Intel Smart Cache |
| MEMORY | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| RAM | 0 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Camera | - | Yes - HD |
| Camera Features | - | IR camera, privacy camera |
| Video Resolutions | - | 720p |
| Sound | Stereo speakers | Stereo speakers, dual array microphone |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Wireless | - | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| 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 |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Technology | - | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 51.3 Wh |
| AC ADAPTER | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Input | - | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 45 Watt |
| INPUT | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Type | - | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | - | Multi-touch clickpad, gesture function, spill-resistant |
| CONNECTIONS & EXPANSIONS | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Interfaces | USB-C 3.1 (charging) 2 x USB 3.1 Gen 1 USB 3.1 Gen 1 (charging) HDMI LAN VGA Headphone/microphone combo jack Dock |
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 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | HP ProBook 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - 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 640 G4 Notebook | HP ProBook 450 G9 Notebook |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | - | HP 45 Watt Smart USB-C AC Adapter |
| Integrated Options | Hood sensor | Tile module |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | DriveLock, HP Automatic Drive Lock, Power On Authentication, HP Fast Charge, Pre-boot Authentication, Master Boot Record Security, HP Sure Start Gen 4, HP Wireless Wakeup, BIOS Update via Network | BIOS Absolute Persistence, HP Automatic Drive Lock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, ICCP | 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 | 35 °C |
| Min Operating Temperature | 0 °C | 0 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | - | Limited warranty - parts and labour - 1 year |