Lenovo ThinkPad X13 Gen 3 (21CN) vs. HP EliteBook 645 G9 Notebook

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad X13 Gen 3 (21CN) 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 X13 Gen 3 (21CN) Review

Advantages and disadvantages of Lenovo ThinkPad X13 Gen 3 (21CN) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard experience

impressive security features

good battery life

portable design

average display brightness

limited graphics performance

noisy under load

higher price point

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 X13 Gen 3 (21CN) and HP EliteBook 645 G9 Notebook
81 % - Design
78 % - Display
84 % - Performance
85 % - Connectivity
85 % - Battery
83 % - Design
84 % - Display
85 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X13 Gen 3 (21CN) vs. HP EliteBook 645 G9 Notebook Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 30.58 cm x 21.756 cm x 1.81 cm 32.19 cm x 21.39 cm x 1.99 cm
Weight 1.25 kg 1.37 kg
Case Material Polyphenylene sulfide (top), aluminium (bottom) -
Colour Thunder black -
DISPLAY Lenovo ThinkPad X13 Gen 3 (21CN) 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 300 cd/m² -
Colour Gamut 72% NTSC -
Features Anti-glare, 170° viewing angle -
PROCESSOR Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
CPU AMD Ryzen 7 Pro 6850U / 2.7 GHz No CPU
Max Turbo Speed 4.7 GHz -
Number of Cores 8-core -
Cache L3 - 16 MB -
Features Integrated memory controller -
MEMORY Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
RAM 32 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 X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia -
AUDIO & VIDEO Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Graphics Processor (GPU) AMD Radeon 680M No graphics
Max Monitors Supported 3 external monitor(s) -
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 -
Audio Features 360° far-field microphones -
COMMUNICATIONS Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Wireless Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) -
Wireless Controller Qualcomm NFA725A -
BATTERY Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Technology 3-cell lithium polymer 3-cell lithium polymer
Battery Capacity (Size) 41 Wh -
AC ADAPTER Lenovo ThinkPad X13 Gen 3 (21CN) 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 X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Type Keyboard, TrackPoint, UltraNav Keyboard, ClickPad
Keyboard Name - HP Premium
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Volume control, spill-resistant, ClickPad with gesture support
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X13 Gen 3 (21CN) HP EliteBook 645 G9 Notebook
Interfaces USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
HDMI (4K support)
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 X13 Gen 3 (21CN) 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 X13 Gen 3 (21CN) 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 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, 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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