In depth comparison and review of ASUS ExpertBook B5 (B5302CEA) and Lenovo ThinkPad L15 Gen 3 (21C3). 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 ExpertBook B5 (B5302CEA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust security features
fast charging support
excellent keyboard comfort
efficient performance
average display quality
limited graphics capability
higher price point
noisy under load
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good battery life
reliable performance
decent connectivity options
mediocre display quality
heavier design
limited graphics performance
higher price point
DESIGN AND DIMENSIONS | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 30.9 cm x 21.06 cm x 1.69 cm | 36.02 cm x 23.7 cm x 1.993 cm |
Weight | 1.1 kg | 1.76 kg |
Case Material | Aluminum, magnesium alloy | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
Colour | Star black | Thunder black |
DISPLAY | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Screen Size (Type) | 13.3" | 15.6" - IPS |
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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 | 250 cd/m² |
Colour Gamut | 100% sRGB | 45% NTSC |
Features | Anti-glare, WideView, 78% screen-to-body ratio | Anti-glare, 170° viewing angle |
PROCESSOR | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
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Max Turbo Speed | 4.2 GHz | 4.4 GHz |
Number of Cores | Quad-Core | 10-core |
Cache | 8 MB | 12 MB |
Features | Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Integrated memory controller |
MEMORY | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (2 x 4 GB) |
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Max RAM Supported | 40 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 3200 MHz | 3200 MHz |
Rated Speed | - | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 2 |
Empty Slots | 1 | 0 |
STORAGE | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | Privacy shutter | Privacy shutter, IR camera, Windows Hello, fixed focus |
Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3287 |
Compliant Standards | - | High Definition Audio, Dolby Audio, Dolby Voice |
Audio Features | Smart Amp | - |
COMMUNICATIONS | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
WWAN |
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Generation | - | 4G upgradable |
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BATTERY | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Technology | 4-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 66 Wh | 57 Wh |
AC ADAPTER | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt, 19 V, 3.42 A | 65 Watt |
INPUT | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Type | Keyboard, NumberPad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | - | Yes |
Keyboard Backlight | - | Yes |
Features | Chiclet keyboard | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
CONNECTIONS & EXPANSIONS | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Slots | 2 x M.2 (PCI Express 3.0 x4) (1 free) | - |
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Interfaces | HDMI LAN (on supplied adapter) Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) |
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) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack HDMI LAN |
Memory Card Reader | - | Yes (microSD) |
SOFTWARE | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Operating System (OS) | Windows 10 Pro | Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence - English |
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MISCELLANEOUS | ASUS ExpertBook B5 (B5302CEA) | Lenovo ThinkPad L15 Gen 3 (21C3) |
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Included Accessories | USB-C power adapter, Micro HDMI to LAN adapter | USB-C power adapter |
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Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 | System password, hard drive password, MIL-STD-810H tested | 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 |
Repairability Index | 7.3 (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 | Limited warranty - 1 year | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
Model Number | EG0391R | - |