Lenovo ThinkPad L15 Gen 3 (21C4) vs. Acer TravelMate B5 14 (TMB514-31)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad L15 Gen 3 (21C4) 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.

Lenovo ThinkPad L15 Gen 3 (21C4) Review

Advantages and disadvantages of Lenovo ThinkPad L15 Gen 3 (21C4) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good battery life

solid performance

adequate port selection

average display brightness

heavier than competitors

limited graphics performance

no thunderbolt support

Acer TravelMate B5 14 (TMB514-31) Review

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

Laptop Comparison and Tests

Difference between Lenovo ThinkPad L15 Gen 3 (21C4) and Acer TravelMate B5 14 (TMB514-31)
85 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
74 % - Battery
74 % - Design
72 % - Display
65 % - Performance
86 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad L15 Gen 3 (21C4) vs. Acer TravelMate B5 14 (TMB514-31) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Product Type Notebook - 180-degree hinge design Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.02 cm x 23.7 cm x 1.993 cm 32.95 cm x 23.18 cm x 2.44 cm
Weight 1.76 kg 1.65 kg
Case Material Polycarbonate ABS (bottom), polycarbonate ABS (top) -
Colour Thunder black Shale black
DISPLAY Lenovo ThinkPad L15 Gen 3 (21C4) 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 250 cd/m² 250 cd/m²
Colour Gamut 45% NTSC 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, matte, ComfyView, 25 ms response rate, Narrow Border Display
PROCESSOR Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
CPU Intel Core i5 (12th Gen) 1235U / 1.3 GHz Intel N-series N200
Max Turbo Speed 4.4 GHz 3.7 GHz
Number of Cores 10-core Quad-Core
Cache 12 MB L3 - 6 MB
Features Integrated memory controller -
MEMORY Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
RAM 16 GB (1 x 16 GB) 8 GB
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 3200 MHz -
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin -
Slots Qty 2 -
Empty Slots 1 -
STORAGE Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Kioxia 128 GB SSD - Kingston
AUDIO & VIDEO Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Graphics Processor (GPU) Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 3 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 -
COMMUNICATIONS Lenovo ThinkPad L15 Gen 3 (21C4) 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 Intel Wi-Fi 6 AX 201 Intel Wi-Fi 6E AX 211 - M.2 2230 (CNVi)
Network Interface Gigabit Ethernet -
Features - Dual stream (2x2), MU-MIMO
BATTERY Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Technology 3-cell lithium polymer -
Battery Capacity (Size) 57 Wh 50 Wh
AC ADAPTER Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Input AC 100-240 V (50/60 Hz) -
Output 65 Watt, 5 / 9 / 15 / 20 V 45 Watt, 5 / 9 / 12 / 15 / 20 V
INPUT Lenovo ThinkPad L15 Gen 3 (21C4) 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 L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Interfaces 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
LAN
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) Yes (microSD)
SOFTWARE Lenovo ThinkPad L15 Gen 3 (21C4) Acer TravelMate B5 14 (TMB514-31)
Operating System (OS) Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence 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 L15 Gen 3 (21C4) 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 nano 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, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password -
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified 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 - Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - TCO
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