In depth comparison and review of Lenovo IdeaPad 1 15ADA7 (82R1) and HP EliteBook 645 G9 Notebook. 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.
| DESIGN AND DIMENSIONS | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.6 cm x 1.79 cm | 32.19 cm x 21.39 cm x 1.99 cm |
| Weight | 1.6 kg | 1.37 kg |
| Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | - |
| Colour | Cloud grey | - |
| DISPLAY | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Screen Size (Type) | 15.6" - TN | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 220 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 90° viewing angle | - |
| PROCESSOR | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| CPU | AMD Ryzen 3 3250U / 2.6 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | - |
| Number of Cores | Dual-Core | - |
| Cache | L3 - 4 MB | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| RAM | 4 GB (provided memory is soldered) | 0 GB |
|---|---|---|
| Max RAM Supported | 12 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 2 |
| STORAGE | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | - |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | No graphics |
|---|---|---|
| Max Monitors Supported | 1 external monitor(s) | - |
| Camera | Yes - 720p | - |
| Camera Features | Privacy shutter, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers |
| Codec | - | Realtek ALC3247 |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| COMMUNICATIONS | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | - |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Technology | Lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | - |
| Battery Life | Up to 9.5 hours | - |
| Battery Run Time | Local video (1080p) playback time (150 nits): up to 9.5 hours | - |
| AC ADAPTER | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 115/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Type | Keyboard, touchpad | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Numeric Keypad | Yes | - |
| Features | Multi-touch touchpad, buttonless touchpad, precision touchpad | Volume control, spill-resistant, ClickPad with gesture support |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 (data only) HDMI Headphone/microphone combo jack |
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) |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Operating System (OS) | Windows 11 Home in S mode - English | No operating system |
|---|---|---|
| Software Included | Microsoft Office (Trial) | - |
| MISCELLANEOUS | Lenovo IdeaPad 1 15ADA7 (82R1) | HP EliteBook 645 G9 Notebook |
|---|
| Included Accessories | Power adapter | - |
|---|---|---|
| Integrated Options | - | HP Tamper Lock |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | 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 | Administrator password, hard drive password, power-on password, Rapid Charge Boost | Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | CSA, UL, VCCI, BSMI, GOST, SABS, CCC, FCC, RoHS, WEEE, A-Tick, ICES, Common Criteria EAL4+, KC, CIT, low halogen, ICCP, BNCI |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 0 °C |
| Humidity Range Operating | 8 - 95% | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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