Lenovo ThinkPad X250 vs. Acer Extensa 15 (EX215-51K)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad X250 and Acer Extensa 15 (EX215-51K). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo ThinkPad X250 Review

Advantages and disadvantages of Lenovo ThinkPad X250 based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

impressive battery life

compact and portable

good security features

average display quality

limited graphics performance

noisy under load

older processor model

Acer Extensa 15 (EX215-51K) Review

Advantages and disadvantages of Acer Extensa 15 (EX215-51K) 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 resolution

limited storage capacity

no backlit keyboard

basic graphics card

Laptop Comparison and Tests

Difference between Lenovo ThinkPad X250 and Acer Extensa 15 (EX215-51K)
85 % - Design
66 % - Display
65 % - Performance
72 % - Connectivity
75 % - Battery
74 % - Design
64 % - Display
65 % - Performance
71 % - Connectivity
72 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad X250 vs. Acer Extensa 15 (EX215-51K) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Product Type Notebook Notebook
Dimensions (WxDxH) 30.48 cm x 20.83 cm x 2.03 cm 36.34 cm x 25.05 cm x 1.99 cm
Weight 1.31 kg 1.9 kg
Case Material Glass-fibre reinforced plastic -
Colour Black Shale black
DISPLAY Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Screen Size (Type) 12.5" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 220 cd/m²
Features Anti-glare Anti-glare, ComfyView, 8 ms response rate, Narrow Border Display
PROCESSOR Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
CPU Intel Core i5 (5th Gen) 5300U / 2.3 GHz Intel Core i3 (8th Gen) 8130U / 2.2 GHz
Max Turbo Speed 2.9 GHz 3.4 GHz
Number of Cores Dual-Core Dual-Core
Cache 3 MB 4 MB
64-bit Computing Yes Yes
Features Integrated memory controller Intel Turbo Boost Technology 2.0
MEMORY Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
RAM 4 GB (1 x 4 GB) 4 GB (4 GB (soldered))
Max RAM Supported 16 GB 12 GB
RAM Type DDR3L SDRAM DDR4 SDRAM
Form Factor SO-DIMM 204-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Main Storage Size (HDD/SSD) 120 GB SSD 256 GB SSD - Kingston
AUDIO & VIDEO Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Graphics Processor (GPU) Intel HD Graphics 5500 Intel UHD Graphics 620
Memory Allocation Technology - Shared Video Memory (UMA)
Camera Yes - 720p Yes - VGA
Resolution - 0.3 Megapixel
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3232 -
Compliant Standards High Definition Audio -
COMMUNICATIONS Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Wireless Bluetooth, Wi-Fi Bluetooth, 802.11a/b/g/n/ac
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Wake-on-LAN (WOL)
BATTERY Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Technology Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) - 36 Wh
Battery Life - Up to 9 hours
AC ADAPTER Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 45 Watt 45 Watt, 19 V
INPUT Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Multi-gesture touch pad, Acer FineTip keyboard, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Interfaces USB 3.0
VGA
Mini DisplayPort
LAN
Dock
Headphone/microphone combo jack
USB 3.0 (Always On)
HDMI
USB 3.1 Gen 1
2 x USB 2.0
LAN
Headphone/microphone combo jack
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Operating System (OS) Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) Windows 10 Home 64-bit Edition
MISCELLANEOUS Lenovo ThinkPad X250 Acer Extensa 15 (EX215-51K)
Dockable Yes -
Included Accessories Power adapter Power adapter
Security Trusted Platform Module (TPM 1.2) Security Chip -
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, hard drive password, power-on password, ThinkEngine, MIL-STD-810G tested MU-MIMO technology
Compliant Standards ISO 9001, ISO 14001, RoHS, GREENGUARD, ISO 27001 -
ENERGY STAR Certified Yes -
Manufacturer Warranty Limited warranty - 2 years - pick-up and return Limited warranty - 1 year - carry-in
International travellers warranty - 1 year
Model Number - 30FY
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