In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo IdeaPad S540-13API (81XC). 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 IdeaPad S540-13API (81XC) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
sharp, vibrant display
fast processing speed
good battery life
quiet operation
limited port selection
no optical drive
average graphics performance
higher price point
DESIGN AND DIMENSIONS | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Product Type | Notebook - 180-degree hinge design | Notebook |
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Dimensions (WxDxH) | 32.19 cm x 21.39 cm x 1.99 cm | 29.69 cm x 20.86 cm x 1.595 cm |
Weight | 1.37 kg | 1.25 kg |
Case Material | - | Aluminum, glass |
Colour | - | Light silver |
DISPLAY | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Screen Size (Type) | 14" | 13.3" - IPS |
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LCD Backlight Technology | WLED backlight | LED backlight |
Screen Resolution | - | 2560 x 1600 (WQHD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | - | 16:9 |
Image Brightness | - | 300 cd/m² |
Colour Gamut | - | 100% sRGB, 72% NTSC |
Features | - | Glossy, 72% NTSC colour gamut |
PROCESSOR | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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CPU | No CPU | AMD Ryzen 7 3750H / 2.3 GHz |
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Max Turbo Speed | - | 4 GHz |
Number of Cores | - | Quad-Core |
Cache | - | L3 - 4 MB |
64-bit Computing | - | Yes |
Features | - | Integrated memory controller |
MEMORY | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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RAM | 0 GB | 8 GB (provided memory is soldered) |
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Max RAM Supported | 64 GB | - |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | - | 2400 MHz |
Rated Speed | - | 2400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 2 | - |
STORAGE | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Main Storage Size (HDD/SSD) | - | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Graphics Processor (GPU) | No graphics | AMD Radeon RX Vega 10 |
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Camera | - | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | - | IR camera, fixed focus, ToF sensor |
Sound | Stereo speakers | Stereo speakers, dual array microphone |
Codec | Realtek ALC3247 | - |
Compliant Standards | - | High Definition Audio, Dolby Audio |
COMMUNICATIONS | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Wireless | - | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | - | M.2 Card |
Features | - | Dual stream (2x2) |
BATTERY | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Technology | 3-cell lithium polymer | Lithium Ion |
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Battery Capacity (Size) | - | 56 Wh |
Battery Life | - | Up to 14.7 hours |
AC ADAPTER | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Input | AC 115/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 5 / 9 / 12 / 15 / 20 V | 65 Watt |
INPUT | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Type | Keyboard, ClickPad | Keyboard, touchpad |
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Keyboard Name | HP Premium | - |
Keyboard Backlight | - | Yes |
Features | Volume control, spill-resistant, ClickPad with gesture support | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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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 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) Headphone/microphone combo jack |
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SOFTWARE | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Operating System (OS) | No operating system | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Microsoft Office (30 days trial) |
MISCELLANEOUS | HP EliteBook 645 G9 Notebook | Lenovo IdeaPad S540-13API (81XC) |
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Included Accessories | - | Power adapter |
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Integrated Options | HP Tamper Lock | - |
Security | Trusted Platform Module (TPM 2.0) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington nano security slot | - |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately), chassis intrusion sensor | - |
Features | Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested | Administrator password, hard drive password, power-on password, RapidCharge |
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 |
SAR Value | - | 0.599 W/kg (body), 0.599 W/kg (limb) |
Specific Absorption Rate (SAR) | - | 0.599 W/kg (body) 0.599 W/kg (limb) |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |