In depth comparison and review of ASUS ZenBook Flip 15 (UX564PH) and Lenovo ThinkPad E15 Gen 4 (21ED). 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 ZenBook Flip 15 (UX564PH) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touch screen
powerful intel processor
high-quality graphics
sturdy build quality
heavier than competitors
average battery life
limited port selection
premium price point
Advantages and disadvantages of Lenovo ThinkPad E15 Gen 4 (21ED) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
affordable price
average display quality
limited graphics power
moderate battery life
noisy under load
| DESIGN AND DIMENSIONS | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 23.08 cm x 1.99 cm | 36.5 cm x 24 cm x 1.89 cm |
| Weight | 1.9 kg | 1.78 kg |
| Case Material | Aluminum | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | Mineral grey | Black |
| DISPLAY | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| Touchscreen | Yes | - |
| 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 | 300 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Glossy, Pantone Validated, IPS-level | Anti-glare, 170° viewing angle |
| PROCESSOR | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| CPU | Intel Core i7 (11th Gen) 11370H / 3.3 GHz | AMD Ryzen 5 5625U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | 6-core |
| Cache | 12 MB | L3 - 16 MB |
| Features | - | Integrated memory controller |
| MEMORY | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 / Intel Iris Xe Graphics | AMD Radeon Graphics |
| Max Monitors Supported | - | 2 external monitor(s) |
| Video Memory | 4 GB GDDR6 SDRAM | - |
| Video System Features | Max-Q design | - |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | IR camera, Windows Hello | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Harman-branded |
| COMMUNICATIONS | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111H-CG |
| Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 96 Wh | 57 Wh |
| Battery Life | - | Up to 16.5 hours |
| AC ADAPTER | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 120 Watt, 20 V, 6 A | 65 Watt |
| INPUT | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | HDMI Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) |
USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | ASUS ZenBook Flip 15 (UX564PH) | Lenovo ThinkPad E15 Gen 4 (21ED) |
|---|
| Included Accessories | Stylus, power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | MIL-STD 810H | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) |
| Repairability Index | 6.8 (out of 10) | - |
| 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 - 1 year - pick-up and return Extended warranty - 1 year - on-site |
| Model Number | EZ004T | - |
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