HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad X1 Extreme Gen 5 (21DE)

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo ThinkPad X1 Extreme Gen 5 (21DE). 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.

HP EliteBook 645 G9 Notebook Review

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

Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Review

Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 5 (21DE) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful intel processors

robust build quality

excellent 4k display

advanced security features

wide connectivity options

high price point

heavier than competitors

average battery life

loud under load

Laptop Comparison and Tests

Difference between HP EliteBook 645 G9 Notebook and Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
83 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
82 % - Design
85 % - Display
92 % - Performance
86 % - Connectivity
82 % - Battery

Laptop Specifications Comparison

HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad X1 Extreme Gen 5 (21DE) Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 32.19 cm x 21.39 cm x 1.99 cm 35.95 cm x 25.38 cm x 1.79 cm
Weight 1.37 kg 1.88 kg
Case Material - Aluminium (bottom), carbon fibre (top)
Colour - Black paint
DISPLAY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Screen Size (Type) 14" 16" - IPS
LCD Backlight Technology WLED backlight LED backlight
Screen Resolution - 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. - 165 Hz
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness - 500 cd/m²
Colour Gamut - 100% sRGB
Features - Anti-glare, 178° viewing angle, Low Blue Light technology, X-Rite Pantone factory color calibration
PROCESSOR HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
CPU No CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed - 4.7 GHz
Number of Cores - 14-core
Cache - 24 MB
Features - Integrated memory controller
MEMORY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
RAM 0 GB 16 GB (1 x 16 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed - 4800 MHz
Rated Speed - 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 2 1
STORAGE HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Main Storage Size (HDD/SSD) - 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance
AUDIO & VIDEO HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) No graphics NVIDIA GeForce RTX 3050 Ti / Intel Iris Xe Graphics
Max Monitors Supported - 4 external monitor(s)
Video Memory - 4 GB GDDR6 SDRAM
Camera - Yes - 1080p
Camera Features - Privacy shutter, IR camera, Windows Hello, fixed focus
Sound Stereo speakers Stereo speakers, dual array microphone
Codec Realtek ALC3247 Realtek ALC3306
Compliant Standards - High Definition Audio, Dolby Audio Premium, Dolby Voice
COMMUNICATIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Wireless - NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Features - Dual stream (2x2)
BATTERY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) - 90 Wh
AC ADAPTER HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Input AC 115/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 5 / 9 / 12 / 15 / 20 V 170 Watt
INPUT HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Type Keyboard, ClickPad Keyboard, TrackPoint, UltraNav
Keyboard Name HP Premium -
Keyboard Backlight - Yes
Features Volume control, spill-resistant, ClickPad with gesture support Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad
CONNECTIONS & EXPANSIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
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 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader - Yes (SD Express Card)
SOFTWARE HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Operating System (OS) No operating system Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - German
Software Included - Glance by Mirametrix
MISCELLANEOUS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Included Accessories - 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, system 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
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, TÜV Rheinland Low Blue Light Method 2
ENERGY STAR Certified - Yes
EPEAT Compliant - EPEAT Gold
TCO Certified - TCO Certified Notebooks 9
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
Other Comparisons with HP EliteBook 645 G9 Notebook
Other Comparisons with Lenovo ThinkPad X1 Extreme Gen 5 (21DE)
Other Popular Laptop Comparisons
Other projects: