In depth comparison and review of Lenovo ThinkPad T14 Gen 3 (21AJ) 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 T14 Gen 3 (21AJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
ample connectivity options
relatively heavy
average display brightness
costly base model
noisy under load
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 T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm | 32.19 cm x 21.39 cm x 1.99 cm |
| Weight | 1.21 kg | 1.37 kg |
| Case Material | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) | - |
| Colour | Thunder black | - |
| DISPLAY | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Screen Size (Type) | 14" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | WLED backlight |
| Screen Resolution | 1920 x 1200 (WUXGA) | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | - |
| Image Brightness | 300 cd/m² | - |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 170° viewing angle | - |
| PROCESSOR | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| CPU | Intel Core i5 (12th Gen) 1245U / 1.6 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | - |
| Number of Cores | 10-core | - |
| Cache | 12 MB | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad T14 Gen 3 (21AJ) | 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 T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | No graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | - |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | - |
| Camera Features | Privacy shutter, fixed focus | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers |
| Codec | Realtek ALC3287 | Realtek ALC3247 |
| Compliant Standards | High Definition Audio, Dolby Audio, Dolby Voice | - |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | - |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
| Network Interface | Gigabit Ethernet | - |
| Features | Wake-on-LAN (WOL) | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | Quectel EM05-G - M.2 Card | - |
| BATTERY | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Technology | 3-cell lithium polymer | 3-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 39.3 Wh | - |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 3 (21AJ) | 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 / 15 / 20 V | 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo ThinkPad T14 Gen 3 (21AJ) | 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 T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN 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) |
| SOFTWARE | Lenovo ThinkPad T14 Gen 3 (21AJ) | HP EliteBook 645 G9 Notebook |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 3 (21AJ) | 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 nano 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, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0, certificate based BIOS authentication | Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | 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) |
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