In depth comparison and review of Acer Extensa 15 (EX215-51K) and Lenovo ThinkPad E14 Gen 5 (21JR). 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 Acer Extensa 15 (EX215-51K) 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 resolution
limited storage capacity
no backlit keyboard
basic graphics card
Advantages and disadvantages of Lenovo ThinkPad E14 Gen 5 (21JR) 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
modest battery life
limited graphics power
no thunderbolt support
DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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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 | 31.3 cm x 21.93 cm x 1.799 cm |
Weight | 1.9 kg | 1.43 kg |
Case Material | - | Aluminium (top), aluminium (bottom) |
Colour | Shale black | Graphite black |
DISPLAY | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Screen Size (Type) | 15.6" | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 220 cd/m² | 300 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare |
PROCESSOR | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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CPU | Intel Core i3 (8th Gen) 8130U / 2.2 GHz | AMD Ryzen 5 7530U / 2 GHz |
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Max Turbo Speed | 3.4 GHz | 4.5 GHz |
Number of Cores | Dual-Core | 6-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 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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RAM | 4 GB (4 GB (soldered)) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 12 GB | 40 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 | 1 |
Empty Slots | 1 | 1 |
STORAGE | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Main Storage Size (HDD/SSD) | 256 GB SSD - Kingston | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | AMD Radeon Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | - | 3 external monitor(s) |
Camera | Yes - VGA | Yes - 1080p |
Resolution | 0.3 Megapixel | - |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
Codec | - | Synaptic CX11880 |
Compliant Standards | - | High Definition Audio, Dolby Atmos |
Audio Features | - | Input: Dolby Voice |
COMMUNICATIONS | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Wireless | Bluetooth, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Ethernet Controller | - | Realtek RTL8111H-CG |
Features | Wake-on-LAN (WOL) | Wake-on-LAN (WOL), dual stream (2x2) |
BATTERY | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Technology | 2-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 36 Wh | 57 Wh |
Battery Life | Up to 9 hours | - |
AC ADAPTER | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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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 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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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 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
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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 1 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
SOFTWARE | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Pro - English |
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MISCELLANEOUS | Acer Extensa 15 (EX215-51K) | Lenovo ThinkPad E14 Gen 5 (21JR) |
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Included Accessories | Power adapter | 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 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution), 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 | 30FY | - |