Side by side comparison and review of HP EliteBook 840 Aero G8 Notebook and HP ProBook 645 G1 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.
Advantages and disadvantages of HP EliteBook 840 Aero G8 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
powerful intel processor
bright display
good battery life
robust security features
expensive price point
limited graphics performance
no HDMI port
average speaker quality
| DESIGN AND DIMENSIONS | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 21.5 cm x 1.79 cm | 34 cm x 23.7 cm x 2.9 cm |
| Weight | 1.13 kg | 2 kg |
| Case Material | Magnesium alloy | Polycarbonate ABS |
| DISPLAY | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1600 x 900 (HD+) |
| V-Sync Rate at Max Res. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | Full HD ultra wide-viewing angle (UWVA) anti-glare | HD+ anti-glare |
| PROCESSOR | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | AMD A4 4300M / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | L3 - 8 MB | 1 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | AMD A76M FCH |
| Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| RAM | 8 GB (1 x 8 GB) | 4 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR3L SDRAM |
| Speed | 3200 MHz | 1600 MHz / PC3-12800 |
| Rated Speed | 3200 MHz | 1600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 204-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe) | 128 GB SSD SATA 6Gb/s |
|---|---|---|
| Optical Drive | - | DVD±RW (±R DL) / DVD-RAM fixed - tray |
| AUDIO & VIDEO | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | AMD Radeon HD 7420G |
|---|---|---|
| Camera | Yes - HD | Yes |
| Camera Features | Privacy shutter, IR camera | - |
| Video Resolutions | 720p | 1280 x 720 |
| Sound | Dual stereo speakers, HP World Facing Microphone / dual-array digital microphone | Stereo speakers, microphone |
| Codec | - | IDT 92HD91 |
| Compliant Standards | - | DTS SOUND+ |
| Audio Features | Bang & Olufsen Audio | - |
| COMMUNICATIONS | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n, Bluetooth 4.0 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 - PCI Express Mini Card (M.2) | - |
| Network Interface | - | Gigabit Ethernet |
| Bluetooth Class | - | Class 2 |
| Compliant Standards | - | IEEE 802.3, IEEE 802.3u, IEEE 802.3i, IEEE 802.11, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, Wi-Fi CERTIFIED, IEEE 802.3az |
| Remote Management Protocol | - | SNMP 2 |
| Features | Miracast, dual stream (2x2) | - |
| BATTERY | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Technology | 3-cell lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 53 Wh | 55 Wh |
| Battery Life | Up to 14.75 hours | - |
| AC ADAPTER | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt, 18.5 V |
| INPUT | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium Collaboration Keyboard | - |
| Keyboard Backlight | Yes | - |
| Features | Precision touchpad, multi-gesture clickpad, glass clickpad, spill-resistant | Scrolling wheels (2-way), spill-resistant, touchpad with gesture support |
| CONNECTIONS & EXPANSIONS | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Expansion Bays | - | 1 x Upgrade Bay |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 USB 3.2 Gen 1 (charging) HDMI 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) |
4 x USB 3.0 DisplayPort VGA Microphone input Headphone output LAN Dock |
| Memory Card Reader | - | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro + Windows 11 License (may come preloaded with Windows 11) - English | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 8 Pro) + Windows 8 Pro Licence - English / Finnish / Swedish |
|---|---|---|
| Software Included | HP Support Assistant, HP Power Manager, HP Hotkey Support, Windows Defender, HP PC Hardware Diagnostics UEFI, HP Wireless Button Driver, HP Client Catalog, HP Driver Packs, HP BIOS Config Utility, HP Image Assistant, HP System Software Manager, HP Notifications, HP Connection Optimizer, HP Privacy Settings, HP QuickDrop, HP WorkWell, HP Client Management Script Library (free download), myHP, Touchpoint Customiser for Commercial, HP Noise Cancellation Software, Tile, HP Manageability Integration Kit Gen4, HP Easy Clean, HP Smart Support | Cyberlink PowerDVD, CyberLink Power2Go, Adobe Flash Player, HP Recovery Disc Creator, Skype, HP Recovery Manager, HP Support Assistant, HP Connection Manager, HP ePrint, CyberLink YouCam BE, HP Exclusive, HP PageLift |
| MISCELLANEOUS | HP EliteBook 840 Aero G8 Notebook | HP ProBook 645 G1 Notebook |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | HP 65W Smart AC Adapter | Power adapter |
| Bundled with | HP Wolf Pro Security Edition (3 years) | - |
| Integrated Options | Ambient light sensor, hall sensor, tamper sensor | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader, smart card reader |
| 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 | Automatic DriveLock, BIOS Absolute Persistence, HP DriveLock, Power On Authentication, Pre-boot Authentication, BIOS Update via Network, HP Sure Click, HP Sure Sense, HP Secure Erase, HP Sure Start Gen 6, HP Pro Security Edition, Secured-core PC capable, HP Sure Run Gen 4, HP Client Security Manager Gen 7, HP BIOSphere Gen 6, HP Sure Recover Gen 4 | Power-on password, charging via USB, HP 3D DriveGuard, HP SpareKey, HP File Sanitizer, HP BIOS Protection, SecureBoot |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI | ACPI, CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, KC |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | TCO Certified Notebooks 8 | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - parts and labour - 3 years | Limited warranty - 1 year |
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