Side by side comparison and review of HP EliteBook 845 G9 Notebook and HP ProBook 640 G4 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.
| DESIGN AND DIMENSIONS | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.56 cm x 22.4 cm x 1.92 cm | 34 cm x 24 cm x 2.095 cm |
| Weight | 1.4 kg | 1.73 kg |
| Colour | - | Natural silver |
| DISPLAY | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | - |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | WUXGA ultra wide-viewing angle (UWVA) anti-glare eDP | - |
| PROCESSOR | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| CPU | AMD Ryzen 7 6800U / 2.7 GHz | Intel Core i5 (7th Gen) 7200U / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.1 GHz |
| Number of Cores | 8-core | Dual-Core |
| Cache | L3 - 16 MB | 3 MB |
| 64-bit Computing | - | Yes |
| Features | - | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| RAM | 16 GB (1 x 16 GB) | 0 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | - |
| Rated Speed | 4800 MHz | - |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 2 |
| STORAGE | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe), triple-level cell (TLC), HP Value | - |
|---|
| AUDIO & VIDEO | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel HD Graphics 620 |
|---|---|---|
| Camera | Yes | - |
| Resolution | 5 Megapixel | - |
| Camera Features | Privacy shutter, IR camera, HP Auto Frame | - |
| Sound | Dual stereo speakers, dual array microphone | Stereo speakers |
| Codec | Realtek ALC3315 | - |
| Compliant Standards | - | High Definition Audio |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 | - |
|---|---|---|
| Wireless Controller | Qualcomm WCN6856 Wi-Fi 6E - M.2 2230 | - |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | Class 1.5 | - |
| Compliant Standards | Wi-Fi CERTIFIED | - |
| Features | Miracast, dual stream (2x2), MU-MIMO | - |
| WWAN |
|---|
| Generation | - | WWAN upgradable |
|---|
| BATTERY | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Technology | 3-cell lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 51 Wh | - |
| Battery Life | Up to 18.75 hours | - |
| AC ADAPTER | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Input | AC 115/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 12 / 15 / 20 V, 8 A | - |
| INPUT | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Type | Keyboard, ClickPad | - |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Keyboard Backlight | Yes | - |
| Features | Precision touchpad, multi-gesture clickpad, spill-resistant | - |
| CONNECTIONS & EXPANSIONS | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Interfaces | 2 x USB4 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (charging) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
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 |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Operating System (OS) | Windows 11 Pro - English | No operating system |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, HP Secure Erase, HP Drive Packs (free download), HP Client Catalogue (free download), HP PC Hardware Diagnostics, HP Notifications, HP Connection Optimizer, HP Sure Click, HP Privacy Settings, HP Sure Sense, HP Sure Admin, HP QuickDrop, HP Client Management Script Library (free download), HP BIOSphere Gen6, HP Wake on WLAN, myHP, HP Image Assistant Gen5 (free download), HP Client Security Manager Gen7, HP SureStart Gen7, HP Easy Clean, HP Quick Touch, HP Sure Recover Gen5, HP Sure Run Gen5, HP Manageability Integration Kit Gen4 (free download) | - |
| MISCELLANEOUS | HP EliteBook 845 G9 Notebook | HP ProBook 640 G4 Notebook |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | HP 65 Watt nPFC Smart USB-C AC Adapter | - |
| Integrated Options | Hall sensor, IR thermal sensor, HP Tamper Lock | Hood sensor |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader | 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), chassis intrusion sensor | Security lock slot (cable lock sold separately) |
| Features | Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, HP Fast Charge, BIOS Update via Network | 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 |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FIPS 140-2 Level 2, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, RED, BNCI | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, KC, CIT, ICCP |
| 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 Limited warranty - battery - 1 year |
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