In depth comparison and review of ASUS ExpertBook B5 OLED (B5602CBA) and Lenovo ThinkPad L15 Gen 4 (21H3). 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 OLED (B5602CBA) based on its technical characteristics, features, user experience, expert reviews and price level.
stunning oled display
lightweight design
robust security features
fast ssd storage
good battery life
average graphics performance
no numeric keypad
higher price point
limited port selection
Advantages and disadvantages of Lenovo ThinkPad L15 Gen 4 (21H3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust connectivity options
supports fast charging
dedicated nvidia gpu
upgradeable ram and storage
solid build quality
average battery capacity
basic 250-nit display
limited cpu performance
no fingerprint reader
| DESIGN AND DIMENSIONS | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.82 cm x 26.12 cm x 1.99 cm | 36.02 cm x 23.7 cm x 1.993 cm |
| Weight | 1.5 kg | 1.77 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Star black | Thunder black |
| DISPLAY | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Screen Size (Type) | 16" OLED | 15.6" - IPS |
|---|---|---|
| Screen Resolution | 3840 x 2400 (WQUXGA) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:9 |
| Image Brightness | 400 cd/m² | 250 cd/m² |
| Colour Gamut | 100% DCI-P3 | 45% NTSC |
| Features | Glossy, narrow-bezel design, Pantone Validated, 83% screen-to-body ratio | Anti-glare |
| PROCESSOR | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| CPU | Intel Core i5 (12th Gen) 1240P / 1.7 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.6 GHz |
| Number of Cores | 12-core | 10-core |
| Cache | 12 MB | 12 MB |
| Features | Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 40 GB | 64 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 4.0 | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | Dolby Atmos | High Definition Audio, Dolby Audio |
| Audio Features | Output: Smart Amplification technology | Input: Dolby Voice, far-field |
| COMMUNICATIONS | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 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 | Dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 84 Wh | 57 Wh |
| AC ADAPTER | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt, 20 V, 4.5 A | 65 Watt |
| INPUT | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, chiclet keyboard, 1.5mm travel distance | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Slots | 2 x M.2 (PCI Express 4.0 x4) (1 free) | - |
|---|---|---|
| Interfaces | HDMI Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) LAN (RJ-45) USB 2.0 |
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) | Yes (microSD) |
| SOFTWARE | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Operating System (OS) | Windows 11 Pro | Windows 11 Pro - English |
|---|
| MISCELLANEOUS | ASUS ExpertBook B5 OLED (B5602CBA) | Lenovo ThinkPad L15 Gen 4 (21H3) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| 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 nano 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, Computrace ready from BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Silver | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site - response time: next business day |
| Model Number | L2I5X | - |
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