Lenovo ThinkPad E15 Gen 2 (20T9) vs. ASUS Zenbook 15 OLED (UM3504DA)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad E15 Gen 2 (20T9) and ASUS Zenbook 15 OLED (UM3504DA). 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 Gen 2 (20T9) Review

Advantages and disadvantages of Lenovo ThinkPad E15 Gen 2 (20T9) based on its technical characteristics, features, user experience, expert reviews and price level.

robust build quality

excellent keyboard feel

good security features

decent battery life

solid performance

average display quality

heavier than competitors

no thunderbolt support

limited color accuracy

ASUS Zenbook 15 OLED (UM3504DA) Review

Advantages and disadvantages of ASUS Zenbook 15 OLED (UM3504DA) based on its technical characteristics, features, user experience, expert reviews and price level.

vibrant oled display

lightweight and portable

powerful ryzen processor

ample storage options

good battery life

limited port selection

no dedicated gpu

higher price segment

average speaker quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 2 (20T9) and ASUS Zenbook 15 OLED (UM3504DA)
82 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
82 % - Display
85 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 2 (20T9) vs. ASUS Zenbook 15 OLED (UM3504DA) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Product Type Notebook Notebook - 180-degree hinge design
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 35.38 cm x 22.66 cm x 1.58 cm
Dimensions (WxDxH) / Weight Details - 45.5 cm x 29 cm x 7.3 cm / 3.67 kg
Weight 1.7 kg 1.4 kg
Case Material Aluminum, polycarbonate ABS Aluminum
Colour Black Ponder blue
DISPLAY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Screen Size (Type) 15.6" - IPS 15.6" OLED
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2880 x 1620 (2.8K)
V-Sync Rate at Max Res. - 120 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 250 cd/m² 600 cd/m²
Colour Gamut - 100% DCI-P3
Colour Support - 1.07 billion colours
Features Anti-glare, 170° viewing angle NanoEdge display, Pantone Validated, 86% screen-to-body ratio, 0.2 ms response rate, HDR 600 True Black, VESA DisplayHDR
PROCESSOR Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
CPU AMD Ryzen 5 4500U / 2.3 GHz AMD Ryzen 7 7735U / 2.7 GHz
Max Turbo Speed 4 GHz 4.75 GHz
Number of Cores 6-core 8-core
Cache L3 - 8 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller -
MEMORY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
RAM 8 GB (provided memory is soldered) 16 GB (provided memory is soldered)
Max RAM Supported 24 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 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Graphics Processor (GPU) AMD Radeon Graphics AMD Radeon 680M
Camera Yes - 720p Yes - Full HD
Camera Features Fixed focus, ThinkShutter camera privacy IR camera, Windows Hello, ASUS AiSense Camera
Sound Stereo speakers, dual array microphone Harman/kardon stereo speakers, array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio Dolby Atmos
Audio Features Harman/kardon stereo speakers Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling
COMMUNICATIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3
Wireless Controller Intel Wi-Fi 6 AX 200 - M.2 Card -
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek R8111GUS -
Features - Single stream (1x1)
BATTERY Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Technology 3-cell Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 45 Wh 67 Wh
Battery Life Up to 12.7 hours -
AC ADAPTER Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 65 Watt, 20 V, 3.25 A
INPUT Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight - Yes
Features Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls Spill-resistant, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Slots 2 x M.2 Card (1 free) -
Interfaces USB 3.2 Gen 1 (Always On)
USB 2.0
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery)
HDMI
LAN
Headphone/microphone combo jack
HDMI 2.1
Headphone/microphone combo jack
USB-C 4.0 Gen 3/DisplayPort (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
USB 3.2 Gen 1
SOFTWARE Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Operating System (OS) Windows 10 Home 64-bit Edition Windows 11 Home
Software Included - MyASUS, ScreenXpert, GlideX
MISCELLANEOUS Lenovo ThinkPad E15 Gen 2 (20T9) ASUS Zenbook 15 OLED (UM3504DA)
Included Accessories USB-C power adapter USB-C power adapter
Security Trusted Platform Module (TPM 2.0) Security Chip Trusted Platform Module (TPM 2.0) 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-810H tested MIL-STD-810H tested, Cortana support, ASUS Antimicrobial Guard Plus
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 RoHS, REACH, ISO 22196, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification, SGS Eye Care Display Certification, ISO 21702
SAR Value 0.438 W/kg (body), 0.438 W/kg (limb) -
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
TCO Certified TCO Certified Notebooks 8 -
Max Operating Temperature - 49 °C
Min Operating Temperature - -37 °C
Humidity Range Operating - 95% RH
Model Number - NX015W
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