In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Acer TravelMate B5 14 (TMB514-31). 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 Lenovo ThinkPad E15 Gen 4 (21ED) 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
limited graphics power
moderate battery life
noisy under load
Advantages and disadvantages of Acer TravelMate B5 14 (TMB514-31) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
adequate connectivity options
competitive pricing
average display quality
limited graphics capability
modest storage capacity
no touchscreen option
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 32.95 cm x 23.18 cm x 2.44 cm |
| Weight | 1.78 kg | 1.65 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | - |
| Colour | Black | Shale black |
| DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, matte, ComfyView, 25 ms response rate, Narrow Border Display |
| PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel N-series N200 |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 3.7 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | L3 - 16 MB | L3 - 6 MB |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | - |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 128 GB SSD - Kingston |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes - HD |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, Temporal Noise Reduction |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3287 | - |
| Compliant Standards | High Definition Audio, Dolby Audio | - |
| Audio Features | Harman-branded | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Technology | Lithium polymer | - |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 50 Wh |
| Battery Life | Up to 16.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Input | AC 100-240 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | 45 Watt, 5 / 9 / 12 / 15 / 20 V |
| INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Precision touchpad, mechanically anchored keys |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
HDMI USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (DC-In combo, Power Delivery) 2 x USB 3.2 Gen 1 Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Pro 64-bit Edition National Academic (available through downgrade rights from Windows 11 Pro National Academic) + Windows 11 Pro National Academic Licence |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | Acer TravelMate B5 14 (TMB514-31) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password | - |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | MIL-STD 810F, MIL-STD 810H, TCO Certified 9.0 |
| SAR Value | - | 1.14 W/kg (body), 1.14 W/kg (head), 1.14 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Specific Absorption Rate (SAR) | - | 1.14 W/kg (head) 1.14 W/kg (body) 1.14 W/kg (limb) |
| 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 |
Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
| Model Number | - | TCO |
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