In depth comparison and review of Lenovo ThinkPad T15p Gen 3 (21DA) and Lenovo V155-15API (81V5). 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.
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
Advantages and disadvantages of Lenovo V155-15API (81V5) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent processor performance
ample storage capacity
full hd display
numerical keypad included
average battery life
heavier design
no backlit keyboard
limited port selection
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.65 cm x 25 cm x 2.27 cm | 36.3 cm x 25.4 cm x 2.29 cm |
| Weight | 2.226 kg | 2.2 kg |
| Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | Polycarbonate ABS |
| Colour | Black | Iron grey |
| DISPLAY | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare, 170° viewing angle, DC dimming | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | AMD Ryzen 5 3500U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 3.7 GHz |
| Number of Cores | 14-core | Quad-Core |
| Cache | 24 MB | L3 - 4 MB |
| 64-bit Computing | - | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 64 GB | 16 GB |
| RAM Type | DDR5 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 4800 MHz | 2400 MHz |
| Rated Speed | 4800 MHz | 2400 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Value | 256 GB SSD M.2 2242 PCIe - NVM Express (NVMe) |
|---|---|---|
| RAID Level | RAID 0, RAID 1 | - |
| Optical Drive | - | DVD-Writer - tray |
| AUDIO & VIDEO | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics | AMD Radeon Vega 8 |
| Max Monitors Supported | 2 external monitor(s) | - |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Voice | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6E AX 211 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Intel I219-V | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 68 Wh | 36 Wh |
| Battery Life | - | Up to 5 hours |
| AC ADAPTER | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | 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 |
2 x USB 3.1 Gen 1 LAN HDMI Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 Pro 64-bit Edition - Dutch / English / French / German / Italian |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T15p Gen 3 (21DA) | Lenovo V155-15API (81V5) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password | Administrator password, hard drive password, power-on password, RapidCharge |
| Compliant Standards | RoHS, TCG Certified | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
Limited warranty - 1 year - pick-up and return |
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