Detailed comparison and review of Acer Extensa 15 (EX215-51) and Lenovo ThinkPad L14 Gen 4 (21H1). 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 Acer Extensa 15 (EX215-51) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
adequate performance
lightweight design
average display quality
limited storage capacity
no backlit keyboard
basic graphics capabilities
Advantages and disadvantages of Lenovo ThinkPad L14 Gen 4 (21H1) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
adequate port selection
mediocre display quality
heavier than competitors
limited graphics power
pricey base model
| DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 32.54 cm x 21.7 cm x 1.983 cm |
| Weight | 1.9 kg | 1.4 kg |
| Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Shale black | Thunder black |
| DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 220 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare |
| PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4.6 GHz |
| Number of Cores | Dual-Core | 10-core |
| Cache | 4 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| RAM | 4 GB (4 GB (soldered)) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | - | Intel I219-V |
| Features | Wake-on-LAN (WOL) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 57 Wh |
| AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V | 65 Watt |
| INPUT | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L14 Gen 4 (21H1) |
|---|
| Included Accessories | Power adapter, HDD kit | USB-C power adapter |
|---|---|---|
| Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MU-MIMO technology | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | 39SK | - |
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