Side by side comparison and review of Acer Extensa 15 (EX215-51) and Lenovo ThinkPad L15 Gen 3 (21C8). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 L15 Gen 3 (21C8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
good battery life
solid performance
adequate connectivity options
average display quality
heavier than competitors
limited graphics performance
higher price point
DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.9 kg | 1.76 kg |
Case Material | - | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Shale black | Thunder black |
DISPLAY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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LCD Backlight Technology | 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 | 220 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 170° viewing angle |
PROCESSOR | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | AMD Ryzen 7 Pro 5875U / 2 GHz |
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Max Turbo Speed | 4.1 GHz | 4.5 GHz |
Number of Cores | Dual-Core | 8-core |
Cache | 4 MB | L3 - 16 MB |
64-bit Computing | Yes | - |
Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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RAM | 4 GB (4 GB (soldered)) | 16 GB (1 x 16 GB) |
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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 L15 Gen 3 (21C8) |
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Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia |
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AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Graphics Processor (GPU) | Intel UHD Graphics | AMD Radeon Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | - | 3 external monitor(s) |
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, Dolby Voice |
COMMUNICATIONS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | - | AMD RZ616 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Wake-on-LAN (WOL) | Wake-on-LAN (WOL) |
BATTERY | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Technology | Lithium Ion | 3-cell lithium polymer |
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Battery Capacity (Size) | 48 Wh | 42 Wh |
AC ADAPTER | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt, 19 V | 65 Watt |
INPUT | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | 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 L15 Gen 3 (21C8) |
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Interfaces | HDMI USB 3.1 Gen 1 2 x USB 2.0 LAN Headphone/microphone combo jack |
USB-C 3.2 Gen 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) HDMI USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack LAN |
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Memory Card Reader | - | Yes (microSD) |
SOFTWARE | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence |
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MISCELLANEOUS | Acer Extensa 15 (EX215-51) | Lenovo ThinkPad L15 Gen 3 (21C8) |
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Included Accessories | Power adapter, HDD kit | USB-C power adapter |
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Security | - | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint 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 3, TCG Certified |
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 |
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Model Number | 39SK | - |