Lenovo IdeaPad S540-15IML (81NG) vs. ASUS ROG Strix G18 (G814JI)

Laptop Comparison, Reviews and Tests

Side by side comparison and review of Lenovo IdeaPad S540-15IML (81NG) and ASUS ROG Strix G18 (G814JI). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

Lenovo IdeaPad S540-15IML (81NG) Review

Advantages and disadvantages of Lenovo IdeaPad S540-15IML (81NG) based on its technical characteristics, features, user experience, expert reviews and price level.

sleek aluminum design

sharp full HD display

fast processing speeds

ample storage capacity

good battery life

heavier than competitors

no optical drive

limited port selection

average graphics performance

ASUS ROG Strix G18 (G814JI) Review

Advantages and disadvantages of ASUS ROG Strix G18 (G814JI) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

robust thermal management

customizable rgb lighting

ample storage options

heavy and bulky

short battery life

high price point

limited port selection

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S540-15IML (81NG) and ASUS ROG Strix G18 (G814JI)
82 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery
86 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S540-15IML (81NG) vs. ASUS ROG Strix G18 (G814JI) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.5 cm x 1.69 cm 39.9 cm x 29.4 cm x 3.08 cm
Weight 1.95 kg 3 kg
Case Material Aluminum, glass -
Colour Mineral grey Eclipse grey
DISPLAY Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Screen Size (Type) 15.6" - IPS 18"
LCD Backlight Technology LED backlight -
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. - 240 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 300 cd/m² 500 cd/m²
Colour Gamut 72% 100% DCI-P3
Features Glossy, glass cover Anti-glare, NVIDIA G-SYNC compatible, Adaptive-Sync technology, HDR (high dynamic range), 3 ms response rate, Pantone Validated, IPS-level, Dolby Vision, 89% screen-to-body ratio
PROCESSOR Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
CPU Intel Core i5 (10th Gen) 10210U / 1.6 GHz Intel Core i9 (13th Gen) 13980HX / 2.2 GHz
Max Turbo Speed 4.2 GHz 5.6 GHz
Number of Cores Quad-Core 24-core
Cache 6 MB L3 - 36 MB
64-bit Computing Yes -
Features Integrated memory controller Intel Smart Cache
MEMORY Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
RAM 8 GB (1 x 4 GB + 4 GB (soldered)) 32 GB (2 x 16 GB)
Max RAM Supported 12 GB 32 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 2400 MHz 4800 MHz
Rated Speed 2400 MHz 4800 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 2
Empty Slots 0 0
STORAGE Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) Intel UHD Graphics NVIDIA GeForce RTX 4070 / Intel UHD Graphics
Video Memory - 8 GB GDDR6 SDRAM
Video System Features - Max-Q design, ROG Boost, Dynamic Boost, MUX Switch, NVIDIA Advanced Optimus, NVIDIA DLSS 3, NVIDIA Studio
Gaming - Yes
Camera Yes - 720p Yes - 720p
Resolution 1 Megapixel -
Camera Features Privacy shutter -
Sound Stereo speakers, dual array microphone Speakers, array microphone
Compliant Standards High Definition Audio, Dolby Audio Dolby Atmos
Audio Features - Output: Smart Amp, Hi-Res Audio; Input: AI noise cancelling
COMMUNICATIONS Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card -
Network Interface - Ethernet
Features Dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Technology Lithium Ion 4-cell Lithium Ion
Battery Capacity (Size) 70 Wh 90 Wh
Battery Life Up to 15 hours -
AC ADAPTER Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 240 Watt, 20 V, 12 A
INPUT Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes Yes (RGB)
Features Multi-touch touchpad, buttonless touchpad Chiclet keyboard, per-key RGB, 1.9mm travel distance, ASUS Overstroke technology
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Interfaces USB 3.1 Gen 1
USB 3.1 Gen 1 (Always On)
USB-C 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Headphone/microphone combo jack
HDMI 2.1
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery)
USB-C (supports Thunderbolt 4, DisplayPort Alt Mode)
LAN
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Operating System (OS) Windows 10 Home 64-bit Edition - English Windows 11 Home
Software Included Microsoft Office (30 days trial) Armoury Crate, Xbox Game Pass Ultimate (3 months), Aura Creator, NVIDIA Studio drivers, Microsoft 365 (1 month trial)
MISCELLANEOUS Lenovo IdeaPad S540-15IML (81NG) ASUS ROG Strix G18 (G814JI)
Included Accessories Power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM) Security Chip
Features Administrator password, hard drive password, power-on password, RapidCharge ASUS Aura Sync technology, Aura Sync light bar, BIOS protection, ROG Intelligent Cooling, ROG Nebula Display, Thermal Grizzly Conductonaut Extreme, 0dB Ambient Cooling
Compliant Standards RoHS, Energy-Related Products (ErP) Lot 3 TUV Rheinland Low Blue Light Certification
SAR Value 1.81 W/kg (body), 1.81 W/kg (limb) -
Manufacturer Warranty Limited warranty - 1 year - pick-up and return Limited warranty - 2 years - pick-up and return
Model Number - N6070W
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