Side by side comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LWS) and Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540). 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.
DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36 cm x 26.8 cm x 2 cm | 35.8 cm x 24.5 cm x 1.69 cm |
Weight | 2.48 kg | 1.95 kg |
Case Material | - | Aluminum, glass |
Colour | Gunmetal gray | Mineral grey |
DISPLAY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Screen Size (Type) | 15.6" | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
V-Sync Rate at Max Res. | 300 Hz | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 300 cd/m² | 300 cd/m² |
Colour Gamut | 100% sRGB, 72% NTSC, 75.35% Adobe RGB | 72% |
Features | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut | Glossy |
PROCESSOR | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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CPU | Intel Core i7 (10th Gen) 10875H / 2.3 GHz | Intel Core i3 (10th Gen) 10110U / 2.1 GHz |
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Max Turbo Speed | 5.1 GHz | 4.1 GHz |
Number of Cores | 8-core | Dual-Core |
Cache | 16 MB | 4 MB |
64-bit Computing | Yes | Yes |
Chipset | Intel HM470 | - |
Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 | Integrated memory controller |
MEMORY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 4 GB (provided memory is soldered) |
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Max RAM Supported | 48 GB | 12 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2933 MHz | 2400 MHz |
Rated Speed | 3200 MHz | 2400 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 1 | 1 |
Empty Slots | 0 | 1 |
STORAGE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics | Intel UHD Graphics |
Video Memory | 8 GB GDDR6 SDRAM | - |
Video System Features | NVIDIA Optimus, Max-Q design | - |
Gaming | Yes | - |
Camera | - | Yes - 720p |
Resolution | - | 1 Megapixel |
Camera Features | - | Privacy shutter |
Sound | Stereo speakers, array microphone | Stereo speakers, dual array microphone |
Compliant Standards | - | High Definition Audio, Dolby Audio |
Audio Features | ESS SABRE HiFi audio DAC technology, Smart Amp | - |
VR Ready | Yes | - |
COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
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Wireless Controller | - | M.2 Card |
Network Interface | Gigabit Ethernet | - |
Features | - | Single stream (1x1) |
BATTERY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Technology | 4-cell Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 90 Wh | 70 Wh |
Battery Life | - | Up to 15 hours |
AC ADAPTER | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 240 Watt, 20 V, 12 A | 65 Watt |
INPUT | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Type | Keyboard, NumberPad, ScreenPad Plus | Keyboard, touchpad |
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Numeric Keypad | - | Yes |
Keyboard Backlight | Yes (RGB) | Yes |
Features | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display | Multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Interfaces | USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 2 x USB 3.2 Gen 1 HDMI LAN Headphone output Microphone input |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 HDMI Headphone/microphone combo jack |
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Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
SOFTWARE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Operating System (OS) | Windows 10 Home | Windows 10 Home 64-bit Edition - English |
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Software Included | - | Microsoft Office (30 days trial) |
MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad S540-15IML (Lenovo IdeaPad S540) |
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Included Accessories | Power adapter | Power adapter |
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Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Features | System password, 65W power delivery | Administrator password, hard drive password, power-on password, RapidCharge |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3 |
SAR Value | 0.028 W/kg (body), 0.028 W/kg (limb) | 1.81 W/kg (body), 1.81 W/kg (limb) |
ENERGY STAR Certified | - | Yes |
Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
Model Number | HF055T | 15IML 81NG |