HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad Z16 Gen 1 (21D5)

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo ThinkPad Z16 Gen 1 (21D5). 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 Z16 Gen 1 (21D5) Review

Advantages and disadvantages of Lenovo ThinkPad Z16 Gen 1 (21D5) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

powerful AMD processor

high-resolution display

good battery life

heavier than competitors

expensive base model

limited color options

noisy under load

Laptop Comparison and Tests

Difference between HP EliteBook 645 G9 Notebook and Lenovo ThinkPad Z16 Gen 1 (21D5)
83 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad Z16 Gen 1 (21D5) Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 32.19 cm x 21.39 cm x 1.99 cm 35.44 cm x 23.74 cm x 1.58 cm
Weight 1.37 kg 1.94 kg
Case Material - Aluminium (top), aluminium (bottom)
Colour - Black (bottom), arctic grey (top)
DISPLAY HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Screen Size (Type) 14" 16" OLED
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology WLED backlight -
Screen Resolution - 3840 x 2400 (WQUXGA)
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness - 500 cd/m²
Colour Gamut - 100% DCI-P3
Features - Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 175° viewing angle, 92.3% screen-to-body ratio
PROCESSOR HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
CPU No CPU AMD Ryzen 7 Pro 6850H / 3.2 GHz
Max Turbo Speed - 4.7 GHz
Number of Cores - 8-core
Cache - L3 - 16 MB
Features - Integrated memory controller
MEMORY HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
RAM 0 GB 32 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed - 6400 MHz
Rated Speed - 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 2 -
STORAGE HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Main Storage Size (HDD/SSD) - 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital
AUDIO & VIDEO HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Graphics Processor (GPU) No graphics AMD Radeon 680M
Max Monitors Supported - 3 external monitor(s)
Camera - Yes - 1080p
Camera Features - Windows Hello, fixed focus, e-camera shutter, hybrid FHD/IR camera
Sound Stereo speakers Stereo speakers, dual array microphone
Codec Realtek ALC3247 Realtek ALC3306
Compliant Standards - High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Wireless - Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Qualcomm NFA725A
BATTERY HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Technology 3-cell lithium polymer 4-cell lithium polymer
Battery Capacity (Size) - 72 Wh
AC ADAPTER HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Input AC 115/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 5 / 9 / 12 / 15 / 20 V 135 Watt, 5 / 9 / 15 / 20 V
INPUT HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
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 Z16 Gen 1 (21D5)
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-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
Memory Card Reader - Yes (SD Card, SDXC UHS-II Card)
SOFTWARE HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Operating System (OS) No operating system Windows 11 Pro
MISCELLANEOUS HP EliteBook 645 G9 Notebook Lenovo ThinkPad Z16 Gen 1 (21D5)
Included Accessories - USB-C slim 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 with Microsoft Pluton, 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, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) 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, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 5 °C
Humidity Range Operating 10 - 90% (non-condensing) 8 - 95%
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