In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo ThinkBook 16 G6 IRL (21KH). 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 EliteBook 645 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.
robust security features
powerful amd processor
lightweight and portable
high-resolution display
fast charging support
average battery life
limited storage capacity
no dedicated gpu
higher price point
Advantages and disadvantages of Lenovo ThinkBook 16 G6 IRL (21KH) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processor
high-resolution display
solid build quality
good battery life
fast ssd storage
heavier than competitors
limited color options
noisy under load
expensive base model
| DESIGN AND DIMENSIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 35.6 cm x 25.35 cm x 1.75 cm |
| Weight | 1.37 kg | 1.7 kg |
| Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | - | Dual tone arctic grey |
| DISPLAY | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Screen Size (Type) | 14" | 16" - IPS |
|---|---|---|
| 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 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Anti-glare, Low Blue Light technology |
| PROCESSOR | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| CPU | No CPU | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.6 GHz |
| Number of Cores | - | 10-core |
| Cache | - | 12 MB |
| Features | - | Integrated memory controller |
| MEMORY | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| RAM | 0 GB | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | - | 5200 MHz |
| Rated Speed | - | 5200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 2 | 1 |
| STORAGE | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Graphics Processor (GPU) | No graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | - | Yes - 1080p |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Stereo speakers | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3247 | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: noise-cancellation technology |
| COMMUNICATIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Technology | 3-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 45 Wh |
| AC ADAPTER | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Input | AC 115/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 5 / 9 / 12 / 15 / 20 V | 65 Watt |
| INPUT | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Type | Keyboard, ClickPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, ClickPad with gesture support | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| Interfaces | USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) LAN USB 3.2 Gen 1 HDMI Headphone/microphone combo jack USB 3.2 Gen 1 (powered) USB 3.2 Gen 1 (Power Delivery) |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Operating System (OS) | No operating system | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | HP EliteBook 645 G9 Notebook | Lenovo ThinkBook 16 G6 IRL (21KH) |
|---|
| Included Accessories | - | USB-C power adapter |
|---|---|---|
| Integrated Options | HP Tamper Lock | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington nano 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, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS |
| Compliant Standards | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI | RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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