In depth comparison and review of ASUS ExpertBook P1 (P1511CDA) and Lenovo ThinkPad X1 Extreme Gen 3 (20TK). 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 ASUS ExpertBook P1 (P1511CDA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate connectivity options
efficient multitasking
average display quality
modest battery life
limited graphics performance
no backlit keyboard
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 3 (20TK) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
high-resolution display
robust build quality
ample connectivity options
good thermal management
heavy chassis
expensive price point
average battery life
noisy under load
| DESIGN AND DIMENSIONS | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 23.5 cm x 1.99 cm | 36.18 cm x 24.57 cm x 1.84 cm |
| Weight | 1.8 kg | 1.7 kg |
| Case Material | Plastic | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, aluminium alloy |
| Colour | Slate grey | Black weave |
| DISPLAY | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 200 cd/m² | 600 cd/m² |
| Colour Gamut | 45% NTSC | 100% Adobe RGB |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare | Anti-glare, Wide Viewing Angle, HDR (high dynamic range), 178° viewing angle, Dolby Vision |
| PROCESSOR | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| CPU | AMD Ryzen 5 3500U / 2.1 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 5 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | L3 - 4 MB | 12 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel WM490 |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2933 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x2 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | AMD Radeon Vega 8 | NVIDIA GeForce GTX 1650 Ti / Intel UHD Graphics |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design |
| Camera | Yes - VGA | Yes - 720p |
| Camera Features | - | IR camera, ThinkShutter camera privacy |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3286 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| Audio Features | ASUS SonicMaster | 3-magnet speakers |
| COMMUNICATIONS | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Technology | 2-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 80 Wh |
| Battery Life | - | Up to 15.6 hours |
| AC ADAPTER | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 135 Watt |
| INPUT | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x2) (0 free) | - |
|---|---|---|
| Interfaces | Headphone/microphone combo jack HDMI USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 LAN (on supplied adapter) |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS ExpertBook P1 (P1511CDA) | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) |
|---|
| Included Accessories | Power adapter, USB Gigabit Ethernet adapter | Power adapter, Lenovo USB-C to Ethernet Adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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 | System password | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | - | RoHS |
| SAR Value | - | 2.512 W/kg (body), 0.967 W/kg (limb) |
| Repairability Index | 6.2 (out of 10) | - |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | - | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
| Model Number | EJ565R | - |
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