Lenovo ThinkPad Z13 Gen 1 (21D2) vs. HP EliteBook 645 G9 Notebook

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad Z13 Gen 1 (21D2) 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.

Lenovo ThinkPad Z13 Gen 1 (21D2) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D2) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful AMD processor

high-resolution display

sustainable materials used

compact and lightweight

higher price point

no HDMI port

limited upgradeability

average battery life

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

Laptop Comparison and Tests

Difference between Lenovo ThinkPad Z13 Gen 1 (21D2) and HP EliteBook 645 G9 Notebook
82 % - Design
83 % - Display
85 % - Performance
84 % - Connectivity
85 % - Battery
83 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad Z13 Gen 1 (21D2) vs. HP EliteBook 645 G9 Notebook Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 29.94 cm x 19.96 cm x 1.399 cm 32.19 cm x 21.39 cm x 1.99 cm
Weight 1.19 kg 1.37 kg
Case Material Aluminium (top), aluminium (bottom) -
Colour Black (bottom), arctic grey (top) -
DISPLAY Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Screen Size (Type) 13.3" - 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 400 cd/m² -
Colour Gamut 100% sRGB -
Features Anti-glare, 178° viewing angle, Low Power, 91.6% screen-to-body ratio -
PROCESSOR Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
CPU AMD Ryzen 5 Pro 6650U / 2.9 GHz No CPU
Max Turbo Speed 4.5 GHz -
Number of Cores 6-core -
Cache 16 MB -
MEMORY Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
RAM 16 GB (provided memory is soldered) 0 GB
Max RAM Supported - 64 GB
RAM Type LPDDR5 SDRAM DDR4 SDRAM
Speed 6400 MHz -
Rated Speed 6400 MHz -
Form Factor - SO-DIMM 260-pin
Slots Qty - 2
Empty Slots - 2
STORAGE Lenovo ThinkPad Z13 Gen 1 (21D2) 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 Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Graphics Processor (GPU) AMD Radeon 660M No graphics
Max Monitors Supported 2 external monitor(s) -
Camera Yes - 1080p -
Camera Features IR camera, Windows Hello, e-camera shutter -
Sound Stereo speakers, dual array microphone Stereo speakers
Codec Realtek ALC3306 Realtek ALC3247
Compliant Standards High Definition Audio, Dolby Atmos -
COMMUNICATIONS Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 -
Wireless Controller Qualcomm NFA725A -
Compliant Standards DASH -
Features Dual stream (2x2) -
BATTERY Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Technology Lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 51.5 Wh -
Battery Life Up to 22.8 hours -
AC ADAPTER Lenovo ThinkPad Z13 Gen 1 (21D2) 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 Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Type Keyboard, TrackPoint, UltraNav Keyboard, ClickPad
Keyboard Name - HP Premium
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, haptic feedback, Fn keys with Unified Communications controls, glass touchpad Volume control, spill-resistant, ClickPad with gesture support
CONNECTIONS & EXPANSIONS Lenovo ThinkPad Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Interfaces 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
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 Z13 Gen 1 (21D2) HP EliteBook 645 G9 Notebook
Operating System (OS) Windows 11 Pro - English No operating system
Software Included Glance by Mirametrix -
MISCELLANEOUS Lenovo ThinkPad Z13 Gen 1 (21D2) 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 with Microsoft Pluton, fingerprint reader 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, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, USB FIDO (Fast Identity Online) device integration, pen upgradable, certificate based BIOS authentication Automatic DriveLock, HP DriveLock, HP Fast Charge, BIOS Update via Network, MIL-STD-810H tested
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, 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)
Manufacturer Warranty Base warranty - 3 years - pick-up and return
Extended warranty - 3 years - on-site - response time: next business day
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