In depth comparison and review of Lenovo ThinkPad T15p Gen 3 (21DA) and Dell Latitude E5400. 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 Dell Latitude E5400 based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
affordable price point
comfortable keyboard layout
adequate connectivity options
solid base performance
average battery life
heavier design
outdated aesthetics
limited graphics capability
DESIGN AND DIMENSIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.65 cm x 25 cm x 2.27 cm | - |
Weight | 2.226 kg | - |
Case Material | Polycarbonate ABS (bottom), polycarbonate ABS (top) | - |
Colour | Black | - |
DISPLAY | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Screen Size (Type) | 15.6" - IPS | 14" |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | - |
Image Brightness | 300 cd/m² | - |
Colour Gamut | 45% NTSC | - |
Features | Anti-glare, 170° viewing angle, DC dimming | - |
PROCESSOR | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i5 (8th Gen) 8365U / 1.6 GHz |
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Max Turbo Speed | 4.7 GHz | 4.1 GHz |
Number of Cores | 14-core | Quad-Core |
Cache | 24 MB | - |
Features | Integrated memory controller | - |
MEMORY | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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RAM | 16 GB (1 x 16 GB) | 8 GB |
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Max RAM Supported | 64 GB | - |
RAM Type | DDR5 SDRAM - non-ECC | - |
Speed | 4800 MHz | - |
Rated Speed | 4800 MHz | - |
Form Factor | SO-DIMM 262-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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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 |
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RAID Level | RAID 0, RAID 1 | - |
AUDIO & VIDEO | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 / Intel Iris Xe Graphics | Intel Iris Xe Graphics |
Max Monitors Supported | 2 external monitor(s) | - |
Video Memory | 4 GB GDDR6 SDRAM | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | - |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | - |
Sound | Stereo speakers, dual array microphone | - |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Voice | - |
COMMUNICATIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | - |
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Wireless Controller | Intel Wi-Fi 6E AX 211 | - |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Intel I219-V | - |
Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
WWAN |
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Generation | 4G upgradable | - |
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BATTERY | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Technology | Lithium polymer | - |
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Battery Capacity (Size) | 68 Wh | - |
AC ADAPTER | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Input | AC 100-240 V (50/60 Hz) | - |
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Output | 135 Watt | - |
INPUT | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | - |
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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 |
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Memory Card Reader | Yes (SD Card) | - |
SOFTWARE | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Operating System (OS) | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English | Windows 10 |
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MISCELLANEOUS | Lenovo ThinkPad T15p Gen 3 (21DA) | Dell Latitude E5400 |
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Included Accessories | Power adapter | Power adapter |
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Security | 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 | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password | - |
Compliant Standards | RoHS, TCG Certified | ISO 9001, ISO 14001, ISO 27001, GDPR |
ENERGY STAR Certified | 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 |
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