In depth comparison and review of Acer Extensa 15 (EX215-51) and ASUS ExpertBook B5 (B5402CEA). 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 (EX215-51) 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 ASUS ExpertBook B5 (B5402CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust security features
efficient multitasking performance
long battery life
fast charging support
average display quality
limited graphics performance
higher price point
noisy under load
DESIGN AND DIMENSIONS | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.34 cm x 25.05 cm x 1.99 cm | 32.34 cm x 22.31 cm x 1.8 cm |
Weight | 1.9 kg | 1.22 kg |
Case Material | - | Aluminum, magnesium-aluminum alloy |
Colour | Shale black | Star black |
DISPLAY | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Screen Size (Type) | 15.6" | 14" |
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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 | 400 cd/m² |
Colour Gamut | - | 100% sRGB |
Features | Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display | Anti-glare, 85% screen-to-body ratio |
PROCESSOR | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (11th Gen) 1155G7 / 2.5 GHz |
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Max Turbo Speed | 4.1 GHz | 4.5 GHz |
Number of Cores | Dual-Core | Quad-Core |
Cache | 4 MB | 8 MB |
64-bit Computing | Yes | - |
Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache |
MEMORY | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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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 |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 1 | 1 |
STORAGE | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Main Storage Size (HDD/SSD) | 128 GB SSD - Kingston | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
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AUDIO & VIDEO | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Graphics Processor (GPU) | Intel UHD Graphics | Intel Iris Xe Graphics |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - HD | Yes - 720p |
Camera Features | - | Privacy shutter, IR camera, Windows Hello |
Sound | Stereo speakers, two microphones | Stereo speakers, array microphone |
COMMUNICATIONS | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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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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Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Wake-on-LAN (WOL) | Dual stream (2x2) |
BATTERY | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Technology | Lithium Ion | 3-cell Lithium Ion |
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Battery Capacity (Size) | 48 Wh | 63 Wh |
AC ADAPTER | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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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, 20 V, 3.25 A |
INPUT | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Type | Keyboard, touchpad | Keyboard, NumberPad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad | Chiclet keyboard, 1.5mm travel distance |
CONNECTIONS & EXPANSIONS | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Slots | - | 2 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 2.0 LAN Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) HDMI |
Memory Card Reader | - | Yes (microSD) |
SOFTWARE | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Operating System (OS) | Windows 10 Home 64-bit Edition in S mode | Windows 11 Pro |
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MISCELLANEOUS | Acer Extensa 15 (EX215-51) | ASUS ExpertBook B5 (B5402CEA) |
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Included Accessories | Power adapter, HDD kit | Power adapter |
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Security | - | 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 | ErgoLift, MIL-STD-810H tested |
Compliant Standards | - | CTR 21, UL 1459, FCC Part 15 Class B, JIS C 0950, EU RoHS, EU REACH |
Manufacturer Warranty | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
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Model Number | 39SK | KI0266X |