Detailed comparison and review of ASUS 15 (X509UA) and Lenovo ThinkPad E15 (20RE). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of ASUS 15 (X509UA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
lightweight design
solid build quality
adequate performance level
good connectivity options
average display quality
limited storage capacity
modest battery life
no backlit keyboard
Advantages and disadvantages of Lenovo ThinkPad E15 (20RE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good security features
solid processor performance
reasonable price point
average battery life
modest display quality
limited graphics capability
no thunderbolt support
| DESIGN AND DIMENSIONS | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 2.29 cm | 36.8 cm x 24.5 cm x 1.89 cm |
| Weight | 1.9 kg | 1.9 kg |
| Case Material | - | Aluminum, polycarbonate ABS |
| Colour | Slate grey | Black |
| DISPLAY | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| 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 | 200 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.1 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 3 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Integrated memory controller |
| MEMORY | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| RAM | 4 GB (provided memory is soldered) | 4 GB (1 x 4 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2666 MHz |
| Rated Speed | - | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - SK Hynix |
|---|
| AUDIO & VIDEO | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - VGA | Yes - 720p |
| Camera Features | - | ThinkShutter camera privacy |
| Sound | Speaker, microphone | Stereo speakers, dual array microphone |
| Codec | - | Conexant CX11880 |
| Compliant Standards | - | High Definition Audio, Dolby Advanced Audio |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Wireless-AC 9560 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 45 Wh |
| Battery Life | - | Up to 12.2 hours |
| AC ADAPTER | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt |
| INPUT | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 HDMI USB-C 3.1 Gen 1 |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS 15 (X509UA) | Lenovo ThinkPad E15 (20RE) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | 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 | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | RoHS |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | 0.367 W/kg (body), 0.367 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Silver |
| Model Number | EJ064T | - |
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