Lenovo ThinkPad E15 (20RE) vs. ASUS A509JA (EJ079T)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad E15 (20RE) and ASUS A509JA (EJ079T). 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 E15 (20RE) Review

Advantages and disadvantages of Lenovo ThinkPad E15 (20RE) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard comfort

good security features

solid processor performance

reasonable price point

average battery life

modest display quality

limited graphics capability

no thunderbolt support

ASUS A509JA (EJ079T) Review

Advantages and disadvantages of ASUS A509JA (EJ079T) based on its technical characteristics, features, user experience, expert reviews and price level.

solid build quality

responsive touchpad

crisp full hd display

adequate connectivity options

competitive pricing

average battery life

modest graphics performance

no backlit keyboard

limited upgradeability

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 (20RE) and ASUS A509JA (EJ079T)
78 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
75 % - Design
72 % - Display
72 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 (20RE) vs. ASUS A509JA (EJ079T) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.8 cm x 24.5 cm x 1.89 cm 36 cm x 23.5 cm x 2.29 cm
Weight 1.9 kg 1.9 kg
Case Material Aluminum, polycarbonate ABS -
Colour Black Transparent silver
DISPLAY Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Screen Size (Type) 15.6" - IPS 15.6"
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 250 cd/m² 200 cd/m²
Colour Gamut - 45% NTSC
Features Anti-glare, 170° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
CPU Intel Core i3 (10th Gen) 10110U / 2.1 GHz Intel Core i7 (10th Gen) 1065G7 / 1.3 GHz
Max Turbo Speed 4.1 GHz 3.9 GHz
Number of Cores Dual-Core Quad-Core
Cache 4 MB 8 MB
64-bit Computing Yes Yes
Features Integrated memory controller -
MEMORY Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
RAM 4 GB (1 x 4 GB) 8 GB (1 x 4 GB + 4 GB (soldered))
Max RAM Supported 16 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz -
Rated Speed 2666 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 0
STORAGE Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Main Storage Size (HDD/SSD) 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) - SK Hynix 512 GB SSD M.2 PCIe - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Graphics Processor (GPU) Intel UHD Graphics Intel Iris Plus Graphics
Camera Yes - 720p Yes
Camera Features ThinkShutter camera privacy -
Sound Stereo speakers, dual array microphone Speaker, microphone
Codec Conexant CX11880 -
Compliant Standards High Definition Audio, Dolby Advanced Audio -
Audio Features - ASUS SonicMaster, ASUS Bang & Olufsen ICEpower
COMMUNICATIONS Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 802.11a/b/g/n/ac, Bluetooth 4.1
Wireless Controller Intel Wireless-AC 9560 - M.2 Card -
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek R8111GUS -
BATTERY Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Technology 3-cell Lithium Ion 2-cell Lithium Ion
Battery Capacity (Size) 45 Wh 32 Wh
Battery Life Up to 12.2 hours -
AC ADAPTER Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Input AC 120/230 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt, 19 V, 2.37 A
INPUT Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes -
Features Spill-resistant, multi-touch touchpad, buttonless touchpad Chiclet keyboard
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB 2.0
USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
Headphone/microphone combo jack
USB 3.2 Gen 1
2 x USB 2.0
USB-C 3.2 Gen 1
HDMI
Memory Card Reader - Yes (microSD)
SOFTWARE Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home 64-bit Edition
MISCELLANEOUS Lenovo ThinkPad E15 (20RE) ASUS A509JA (EJ079T)
Included Accessories USB-C power adapter Power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Firmware Trusted Platform Module (TPM) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested System password, hard drive password
Compliant Standards RoHS -
SAR Value 0.367 W/kg (body), 0.367 W/kg (limb) 0.13 W/kg (body), 0.13 W/kg (limb)
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Silver -
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