Choose ThinkPad E14 if you need:
- Processor Model at Core Ultra 5 (vs Intel Core i5 7200U 2.5GHz)
- Installed Memory at 16 GB (vs 8 GB)
- Storage Capacity at 512 GB (vs 256 GB)
- Display Size at 14 inch (vs 15.6 inch)
laptopedia
Side-by-side specification comparison of two reference models
Compare ThinkPad E14 vs Pro P2540UA-XS51
A full side-by-side comparison of reference models ThinkPad E14 and Pro P2540UA-XS51 within the same category.
Specifications
Side-by-side specification comparison of two reference models
| Specification | ThinkPad E14 | Pro P2540UA-XS51 |
|---|---|---|
| Price | Not for sale | Not for sale |
| General | ||
| Brand | Lenovo | ASUS |
| Product Family | ThinkPad | ASUSPRO P2540 |
| Model | ThinkPad E14 | Pro P2540UA-XS51 |
| Model Number | ThinkPad E14 Gen 6 (Intel) | P2540UA-XS51 |
| Part Number / SKU | — | 90NX0141-M00130 |
| Launch Year | 2025 year | 2017 year |
| Form Factor | Clamshell | Clamshell |
| Laptop Category | Budget Business | Mainstream |
| Color | — | Black |
| Operating System | — | Windows 10 |
| Operating System Architecture | 64-bit | 64-bit |
| Processor | ||
| Processor Manufacturer | Intel | Intel |
| Processor Family | Intel Core Ultra 5 | Intel Core i5 |
| Processor Model | Core Ultra 5 | Intel Core i5 7200U 2.5GHz |
| Processor Generation | Intel Core Ultra Series 1 | 7th Gen |
| CPU Architecture | x86-64 | x86-64 |
| CPU Process Node | — | 14 nm |
| CPU Cores | — | 2 cores |
| Efficiency Cores | — | 0 cores |
| CPU Threads | — | 4 threads |
| CPU Base Clock | — | 2.5 GHz |
| CPU Max Boost Clock | — | 3.1 GHz |
| L2 Cache | — | 0.5 MB |
| L3 Cache | — | 3 MB |
| Processor Base Power | — | 15 W |
| CPU Manageability Technology | — | Intel vPro: No |
| AI / NPU | ||
| NPU | Yes | — |
| NPU Model | Intel AI Boost | — |
| NPU Performance | 11 TOPS | — |
| Graphics | ||
| Graphics Type | Integrated | Integrated |
| GPU Manufacturer | Intel | Intel |
| GPU Model | — | Intel HD Graphics 620 |
| GPU Architecture | — | Intel Gen9.5 |
| VRAM Capacity | 0 GB | 0 GB |
| VRAM Type | Shared system memory | Shared system memory |
| GPU TGP | — | 15 W |
| GPU Boost Clock | — | 1000 MHz |
| Maximum External Displays | 3 displays | 2 displays |
| Maximum External Resolution | Up to 8K @ 60Hz via Thunderbolt | 4096 x 2304 @ 60 Hz |
| Memory | ||
| Installed Memory | 16 GB | 8 GB |
| Maximum Memory | 64 GB | 16 GB |
| Memory Type | DDR5 | DDR4 |
| Memory Speed | 5600 MT/s | 2400 MT/s |
| Memory Form Factor | SO-DIMM | SO-DIMM |
| Memory Slots | 2 slots | 2 slots |
| Memory Slots Used | — | 1 slots |
| Memory Upgradeable | Yes | Yes |
| Memory Channels | Dual-channel | Single |
| Storage | ||
| Primary Storage Type | SSD | SSD |
| Storage Capacity | 512 GB | 256 GB |
| Storage Interface | PCIe NVMe | SATA III |
| Storage PCIe Generation | PCIe 4.0 | — |
| Storage Form Factor | M.2 2242 | 2.5-inch |
| Installed Storage Drives | 1 drives | 1 drives |
| Maximum Storage Drives | 2 drives | 2 drives |
| M.2 Storage Slots | 2 slots | 1 slots |
| 2.5-inch Drive Bay | — | Yes |
| RAID Support | — | No RAID |
| Card Reader | — | Yes |
| Card Reader Formats | — | SD, SDHC, SDXC |
| Card Reader Standard | — | UHS-I |
| Display | ||
| Display Size | 14 inch | 15.6 inch |
| Display Resolution | — | 1366 x 768 |
| Resolution Class | — | HD |
| Display Technology | IPS LCD | LED-backlit LCD |
| Panel Type | IPS | TN |
| Refresh Rate | 60 Hz | 60 Hz |
| Display Brightness | 300 nits | 200 nits |
| Color Depth | — | 8-bit |
| Aspect Ratio | 16:10 | 16:9 |
| Display Finish | Anti-glare | Matte |
| Adaptive Sync Technology | — | — |
| Viewing Angle | — | 90 horizontal / 60 vertical degree |
| Screen-to-Body Ratio | 90 % | — |
| Camera & Biometrics | ||
| Webcam Resolution | — | HD |
| Webcam Frame Rate | — | 30 fps |
| Camera Privacy Shutter | Yes | — |
| Fingerprint Reader | — | Yes |
| Fingerprint Reader Location | — | Integrated near touchpad |
| Camera Features | — | Integrated HD webcam |
| Audio | ||
| Speaker Configuration | Stereo speakers, 2W x2 | Stereo speakers |
| Speaker Power | 2 W x 2 W | — |
| Audio Technology | Dolby Atmos, HARMAN | ASUS SonicMaster |
| Microphone Configuration | Dual-microphone array with smart noise-cancelling | Analog microphone |
| Audio Jack | Yes | Yes |
| Keyboard & Input | ||
| Keyboard Type | 6-row spill-resistant keyboard | Chiclet keyboard |
| Keyboard RGB Zones | — | — |
| Numeric Keypad | — | Yes |
| Spill-Resistant Keyboard | Yes | Yes |
| Key Travel | 1.5 mm | — |
| Copilot Key | Yes | — |
| Touchpad Type | 3-button Trackpad | Multi-touch touchpad |
| Touchpad Dimensions | 115 x 56 mm | — |
| Touchpad Material | Mylar | — |
| Wireless & Networking | ||
| Wi-Fi Standard | — | Wi-Fi 5 |
| Wi-Fi IEEE Standard | — | 802.11ac |
| Wi-Fi Bands | — | 2.4 GHz, 5 GHz |
| Wi-Fi Spatial Streams | — | 2x2 |
| Bluetooth Version | — | 4.2 |
| Ethernet | Yes | Yes |
| Ethernet Speed | 1 | Gigabit Ethernet |
| WWAN | No | No |
| Ports & Expansion | ||
| USB Type-A Port Count | 2 ports | 4 ports |
| USB Type-A Specifications | USB 5 Gbps + USB 10 Gbps | USB 2.0, USB 3.0 |
| USB Type-C Port Count | 2 ports | 0 ports |
| USB Type-C Specifications | USB 20 Gbps + Thunderbolt 4 / USB4 40 Gbps; USB PD; DisplayPort | — |
| USB4 Port Count | 1 ports | 0 ports |
| USB4 Speed | 40 Gbps | — |
| Thunderbolt Port Count | 1 ports | 0 ports |
| Thunderbolt Version | Thunderbolt 4 | — |
| HDMI Port Count | 1 ports | 1 ports |
| HDMI Version | 2.1 | HDMI 1.4 |
| DisplayPort Output | Yes | VGA |
| RJ-45 Port Count | 1 ports | 1 ports |
| 3.5 mm Audio Combo Port Count | 1 ports | 1 ports |
| SD Card Slot Count | 0 ports | 1 ports |
| microSD Card Slot Count | 0 ports | 0 ports |
| Smart Card Reader | No | No |
| Security Lock Slot | — | Yes |
| Internal PCIe Slots | 2 x M.2 PCIe 4.0 x4 storage slots | 1× M.2 2280; 1× 2.5-inch SATA; 2× SO-DIMM |
| Battery & Power | ||
| Battery Capacity | — | 72 Wh |
| Battery Cells | — | 6 cells |
| Battery Chemistry | — | Li-ion |
| Removable Battery | — | Yes |
| Battery Life | — | 9 hours |
| Battery Life Test Method | — | Manufacturer mixed-use estimate |
| Power Adapter | 65 W | 65 W |
| Power Connector | USB-C | Barrel connector |
| USB-C Charging | Yes | — |
| USB Power Delivery Version | USB Power Delivery 3.0 | — |
| Dimensions & Build | ||
| Width | 313 mm | 381 mm |
| Depth | 219.3 mm | 256.54 mm |
| Thickness | — | 22.86 mm |
| Weight | — | 2.37 kg |
| Chassis Material | — | Plastic |
| Lid Material | — | Plastic |
| Base Material | — | Plastic |
| Hinge Opening Angle | — | 135 degree |
| MIL-STD Testing | MIL-STD-810H | Not claimed |
| IP Rating | — | No IP rating |
| Security & Manageability | ||
| TPM | Discrete TPM 2.0; TCG and FIPS 140-2 certified | TPM |
| BIOS / UEFI Password Support | Yes | Yes |
| Drive Password Support | Yes | Yes |
| Secure Boot | — | Yes |
| Enterprise Manageability | — | ASUSPRO Business Center; no Intel vPro |
| Smart Card Support | No | No |
| BIOS Recovery / Self-Healing | Yes | ASUS recovery environment |
| Certifications & Sustainability | ||
| TCO Certified | TCO Certified 9.0 | — |
| RoHS Compliance | Yes | Yes |
| Recycled Materials | 25% PCC battery enclosure; 30% PCC speaker enclosure; 90% PCC 65W adapter | Not claimed |
| Environment & Warranty | ||
| Operating Temperature | 5–35 °C | 5 to 35 °C |
| Operating Humidity | 8–95 % RH | 20 to 80 non-condensing % RH |
| Storage Temperature | 5–43; packaged transport -20–60 °C | -10 to 60 °C |
| Warranty | — | 1 years |
| Warranty Type | — | Limited warranty |
Summary: Which Product Should You Choose?
Choose Pro P2540UA-XS51 if you need:
- Processor Model at Intel Core i5 7200U 2.5GHz (vs Core Ultra 5)
- Installed Memory at 8 GB (vs 16 GB)
- Storage Capacity at 256 GB (vs 512 GB)
- Display Size at 15.6 inch (vs 14 inch)
What is the difference between ThinkPad E14 and Pro P2540UA-XS51?
ThinkPad E14 and Pro P2540UA-XS51 share specifications such as Form Factor (Clamshell), Operating System Architecture (64-bit), Processor Manufacturer (Intel), CPU Architecture (x86-64).
The main differences: Processor Model (ThinkPad E14: Core Ultra 5, Pro P2540UA-XS51: Intel Core i5 7200U 2.5GHz); Installed Memory (ThinkPad E14: 16 GB, Pro P2540UA-XS51: 8 GB); Storage Capacity (ThinkPad E14: 512 GB, Pro P2540UA-XS51: 256 GB); Display Size (ThinkPad E14: 14 inch, Pro P2540UA-XS51: 15.6 inch).
ThinkPad E14 may suit users who need its differing values, while Pro P2540UA-XS51 benefits those who need its paired strengths. Review the specs table above before deciding.