HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad X13 Gen 4 (21EX)

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP EliteBook 645 G9 Notebook and Lenovo ThinkPad X13 Gen 4 (21EX). 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 X13 Gen 4 (21EX) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 4 (21EX) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

impressive security features

good battery life

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

Laptop Comparison and Tests

Difference between HP EliteBook 645 G9 Notebook and Lenovo ThinkPad X13 Gen 4 (21EX)
83 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery
86 % - Design
84 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

HP EliteBook 645 G9 Notebook vs. Lenovo ThinkPad X13 Gen 4 (21EX) Comparison Chart
DESIGN AND DIMENSIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Product Type Notebook - 180-degree hinge design Notebook
Dimensions (WxDxH) 32.19 cm x 21.39 cm x 1.99 cm 30.17 cm x 21.48 cm x 1.595 cm
Weight 1.37 kg 1.09 kg
Case Material - Aluminium (bottom), carbon fibre hybrid (top)
Colour - Deep black
DISPLAY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Screen Size (Type) 14" 13.3" - IPS
LCD Backlight Technology WLED backlight -
Screen Resolution - 1920 x 1200 (WUXGA)
Widescreen Yes Yes
Image Aspect Ratio - 16:10
Image Brightness - 300 cd/m²
Colour Gamut - 100% sRGB
Features - Anti-glare
PROCESSOR HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
CPU No CPU Intel Core i5 (13th Gen) 1335U / 1.3 GHz
Max Turbo Speed - 4.6 GHz
Number of Cores - 10-core
Cache - 12 MB
Platform Technology - Intel Evo
Features - Integrated memory controller
MEMORY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
RAM 0 GB 16 GB (provided memory is soldered)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed - 4800 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 X13 Gen 4 (21EX)
Main Storage Size (HDD/SSD) - 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe)
AUDIO & VIDEO HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Graphics Processor (GPU) No graphics Intel Iris Xe Graphics
Max Monitors Supported - 3 external monitor(s)
Video System Features - Functions as Intel UHD graphics (for single-channel memory)
Camera - Yes - 1080p
Camera Features - Privacy shutter, fixed focus
Sound Stereo speakers Stereo speakers, dual array microphone
Codec Realtek ALC3247 Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Wireless - Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller - Intel Wi-Fi 6E AX 211
Features - Dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) - 54.7 Wh
AC ADAPTER HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Input AC 115/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 5 / 9 / 12 / 15 / 20 V 65 Watt
INPUT HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
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
CONNECTIONS & EXPANSIONS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
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 (Always On)
USB 3.2 Gen 1
2 x USB4 (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery 3.0)
HDMI 2.1 (4K support)
Headphone/microphone combo jack
SOFTWARE HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
Operating System (OS) No operating system Windows 11 Pro - English
Software Included - Glance by Mirametrix, Intel Connectivity Performance Suite
MISCELLANEOUS HP EliteBook 645 G9 Notebook Lenovo ThinkPad X13 Gen 4 (21EX)
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, fingerprint reader, smart card 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, Firmware Resiliency 3.0, 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, Energy-using Products (EuP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, 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%
Manufacturer Warranty - Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 1 year - on-site - response time: next business day
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