In depth comparison and review of Lenovo ThinkPad E14 Gen 4 (21E3) 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.
Advantages and disadvantages of Lenovo ThinkPad E14 Gen 4 (21E3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
reasonable price
average display quality
limited graphics power
no thunderbolt support
mediocre battery life
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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 32.4 cm x 22.07 cm x 1.79 cm | 32.19 cm x 21.39 cm x 1.99 cm |
| Weight | 1.64 kg | 1.37 kg |
| Case Material | Aluminium (top), aluminium (bottom) | - |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 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 | 300 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 170° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| CPU | Intel Core i5 (12th Gen) 1235U / 1.3 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | - |
| Number of Cores | 10-core | - |
| Cache | 12 MB | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| RAM | 8 GB (provided memory is soldered) | 0 GB |
|---|---|---|
| Max RAM Supported | 40 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 | 1 | 2 |
| Empty Slots | 1 | 2 |
| STORAGE | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | No graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | - |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers |
| Codec | Realtek ALC3287 | Realtek ALC3247 |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman/kardon stereo speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | - |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Intel I219-V | - |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Technology | Lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | - |
| Battery Life | Up to 20.6 hours | - |
| AC ADAPTER | Lenovo ThinkPad E14 Gen 4 (21E3) | 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 ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, ClickPad |
|---|---|---|
| Keyboard Name | - | HP Premium |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Volume control, spill-resistant, ClickPad with gesture support |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
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) |
|---|
| SOFTWARE | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Operating System (OS) | Windows 11 Pro - English | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E14 Gen 4 (21E3) | HP EliteBook 645 G9 Notebook |
|---|
| Included Accessories | USB-C power adapter | - |
|---|---|---|
| Integrated Options | - | HP Tamper Lock |
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately), chassis intrusion sensor |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password | Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TUV Rheinland Low Blue Light (Software Solution) | 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 | - |
| EPEAT Compliant | EPEAT Gold | - |
| 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 | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
- |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
