HP 255 G9 Notebook vs. Lenovo ThinkPad T15p Gen 3 (21DA)

Laptop Comparison, Reviews and Tests

In depth comparison and review of HP 255 G9 Notebook and Lenovo ThinkPad T15p Gen 3 (21DA). 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 255 G9 Notebook Review

Advantages and disadvantages of HP 255 G9 Notebook based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

solid build quality

decent battery life

adequate port selection

includes numeric keypad

average display quality

modest processor performance

limited graphics capabilities

no backlit keyboard

Lenovo ThinkPad T15p Gen 3 (21DA) Review

Advantages and disadvantages of Lenovo ThinkPad T15p Gen 3 (21DA) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

powerful processor performance

comfortable keyboard design

ample connectivity options

efficient thermal management

heavier than competitors

average battery life

limited display brightness

premium price point

Laptop Comparison and Tests

Difference between HP 255 G9 Notebook and Lenovo ThinkPad T15p Gen 3 (21DA)
74 % - Design
66 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
82 % - Design
78 % - Display
85 % - Performance
85 % - Connectivity
76 % - Battery

Laptop Specifications Comparison

HP 255 G9 Notebook vs. Lenovo ThinkPad T15p Gen 3 (21DA) Comparison Chart
DESIGN AND DIMENSIONS HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.2 cm x 1.99 cm 36.65 cm x 25 cm x 2.27 cm
Weight 1.74 kg 2.226 kg
Case Material - Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour - Black
DISPLAY HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Screen Size (Type) 15.6" - IPS 15.6" - IPS
LCD Backlight Technology WLED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 60 Hz -
Widescreen Yes Yes
Image Aspect Ratio - 16:9
Image Brightness 250 cd/m² 300 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Full HD ultra wide-viewing angle (UWVA) eDP anti-glare, Micro Edge, narrow-bezel design Anti-glare, 170° viewing angle, DC dimming
PROCESSOR HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.3 GHz 4.7 GHz
Number of Cores 6-core 14-core
Cache L3 - 16 MB 24 MB
Features - Integrated memory controller
MEMORY HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
RAM 8 GB (1 x 8 GB (non customer accessible / upgradeable)) 16 GB (1 x 16 GB)
Max RAM Supported 32 GB 64 GB
RAM Type DDR4 SDRAM - non-ECC DDR5 SDRAM - non-ECC
Speed 3200 MHz 4800 MHz
Rated Speed 3200 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 1 1
STORAGE HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2280 PCIe - NVM Express (NVMe), HP Value 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value
RAID Level - RAID 0, RAID 1
AUDIO & VIDEO HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) AMD Radeon Graphics NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics
Max Monitors Supported - 2 external monitor(s)
Video Memory - 4 GB GDDR6 SDRAM
Video System Features AMD FreeSync -
Camera Yes - HD Yes - 720p
Camera Features Temporal Noise Reduction Privacy shutter, IR camera, Windows Hello, fixed focus
Video Resolutions 720p -
Sound Dual stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3247 Realtek ALC3287
Compliant Standards - High Definition Audio, Dolby Audio Premium, Dolby Voice
COMMUNICATIONS HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Realtek RTL8852BE - PCI Express Mini Card (M.2) Intel Wi-Fi 6E AX 211
Network Interface Gigabit Ethernet Gigabit Ethernet
Ethernet Controller - Intel I219-V
Bluetooth Class Class 2 -
Compliant Standards IEEE 802.1x, IEEE 802.11i, Wi-Fi CERTIFIED -
Remote Management Protocol SNMP 2 -
Features Miracast, Wake-on-LAN (WOL), dual stream (2x2), MU-MIMO Wake-on-LAN (WOL), dual stream (2x2)
WWAN
Generation - 4G upgradable
BATTERY HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) 41 Wh 68 Wh
Battery Life Up to 10.25 hours -
AC ADAPTER HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Input AC 115/230 V (50 - 60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt, 19.5 V, 8 A 135 Watt
INPUT HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Multi-touch touchpad, gesture function, precision touchpad, PTP certified touchpad Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls
CONNECTIONS & EXPANSIONS HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Slots - 2 x M.2 (PCI Express 4.0 x4) (1 free)
Interfaces Headphone/microphone combo jack
USB-C 3.2 Gen 1
HDMI
LAN
2 x USB 3.2 Gen 1
USB 3.2 Gen 1 (Always On)
USB 3.2 Gen 1
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
LAN
Memory Card Reader Yes (SD Card, SDHC Card, SDXC Card) Yes (SD Card)
SOFTWARE HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Operating System (OS) Windows 11 Home - English Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English
Software Included HP Support Assistant, Dropbox, McAfee (30 days trial), HP Audio Switch, HP PC Hardware Diagnostics, HP Connection Optimizer, HP Privacy Settings, ExpressVPN (30 days trial), HP QuickDrop, HP Smart App, myHP, Touchpoint Customiser for Commercial, LastPass password manager (30 days trial), HP Smart Health (free download) -
MISCELLANEOUS HP 255 G9 Notebook Lenovo ThinkPad T15p Gen 3 (21DA)
Included Accessories HP 45 Watt Smart nPFC AC Adapter Power adapter
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 security slot
Theft/Intrusion Protection - Security lock slot (cable lock sold separately)
Features HP Fast Charge Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password
Compliant Standards UL, VCCI, BSMI, SABS, CCC, FCC, A-Tick, ICES, KC, EAC, CU, ICCP RoHS, TCG Certified
ENERGY STAR Certified Yes Yes
EPEAT Compliant - EPEAT Gold
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 5 °C 5 °C
Humidity Range Operating 10 - 90% 8 - 95%
Manufacturer Warranty Limited warranty - parts and labour - 1 year
Limited warranty - battery - 1 year
Base warranty - 3 years - pick-up and return
Base warranty - battery - 1 year
Extended warranty - 3 years - on-site
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