In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo ThinkPad L15 Gen 3 (21C8). 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 ThinkPad L15 Gen 3 (21C8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate connectivity options
average display quality
heavier than competitors
limited graphics performance
higher price point
| DESIGN AND DIMENSIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.37 kg | 1.76 kg |
| Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | - | Thunder black |
| DISPLAY | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Screen Size (Type) | 14" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | - | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | - | Anti-glare, 170° viewing angle |
| PROCESSOR | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| CPU | No CPU | AMD Ryzen 7 Pro 5875U / 2 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.5 GHz |
| Number of Cores | - | 8-core |
| Cache | - | L3 - 16 MB |
| Features | - | Integrated memory controller |
| MEMORY | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| RAM | 0 GB | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| 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 EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
|---|
| AUDIO & VIDEO | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Graphics Processor (GPU) | No graphics | AMD Radeon Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| 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, Dolby Voice |
| COMMUNICATIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Wireless | - | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | AMD RZ616 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | - | Wake-on-LAN (WOL) |
| BATTERY | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 42 Wh |
| AC ADAPTER | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| 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 ThinkPad L15 Gen 3 (21C8) |
|---|
| Type | Keyboard, ClickPad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Name | HP Premium | - |
| Numeric Keypad | - | Yes |
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, ClickPad with gesture support | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| 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-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) HDMI USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
|---|
| MISCELLANEOUS | HP EliteBook 645 G9 Notebook | Lenovo ThinkPad L15 Gen 3 (21C8) |
|---|
| Included Accessories | - | USB-C power adapter |
|---|---|---|
| Integrated Options | HP Tamper Lock | - |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Discrete 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| 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 3, TCG Certified |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
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