In depth comparison and review of Lenovo Yoga S940-14IWL (Lenovo Yoga S940) and ASUS ROG Zephyrus Duo 15 (GX550LWS). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
DESIGN AND DIMENSIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 31.93 cm x 19.74 cm x 1.42 cm | 36 cm x 26.8 cm x 2 cm |
Weight | 1.2 kg | 2.48 kg |
Case Material | Aluminum | - |
Colour | Iron grey | Gunmetal gray |
DISPLAY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Screen Size (Type) | 14" - IPS | 15.6" |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
V-Sync Rate at Max Res. | - | 300 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 400 cd/m² | 300 cd/m² |
Colour Gamut | 72% NTSC | 100% sRGB, 72% NTSC, 75.35% Adobe RGB |
Features | Glossy, One Glass Solution, Dolby Vision | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut |
PROCESSOR | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
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Max Turbo Speed | 3.9 GHz | 5.1 GHz |
Number of Cores | Quad-Core | 8-core |
Cache | 6 MB | 16 MB |
64-bit Computing | - | Yes |
Chipset | - | Intel HM470 |
Features | Integrated memory controller | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
MEMORY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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RAM | 8 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
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Max RAM Supported | - | 48 GB |
RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz | 2933 MHz |
Rated Speed | 2400 MHz | 3200 MHz |
Form Factor | - | SO-DIMM 260-pin |
Slots Qty | - | 1 |
Empty Slots | - | 0 |
STORAGE | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics |
Video Memory | - | 8 GB GDDR6 SDRAM |
Video System Features | - | NVIDIA Optimus, Max-Q design |
Gaming | - | Yes |
Camera | Yes - 720p | - |
Camera Features | IR camera, fixed focus, ToF sensor | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, array microphone |
Codec | Realtek ALC3286 | - |
Compliant Standards | High Definition Audio, Dolby Atmos | - |
Audio Features | - | ESS SABRE HiFi audio DAC technology, Smart Amp |
VR Ready | - | Yes |
COMMUNICATIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 Card | - |
Network Interface | - | Gigabit Ethernet |
Features | Dual stream (2x2) | - |
BATTERY | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Technology | Lithium polymer | 4-cell Lithium Ion |
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Battery Capacity (Size) | 52 Wh | 90 Wh |
Battery Life | Up to 15 hours | - |
AC ADAPTER | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | 240 Watt, 20 V, 12 A |
INPUT | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
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Keyboard Backlight | Yes | Yes (RGB) |
Features | Multi-touch touchpad, buttonless touchpad | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display |
CONNECTIONS & EXPANSIONS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Interfaces | 2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) USB-C 3.1 Gen 1 Headphone/microphone combo jack |
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 |
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SOFTWARE | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home |
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Software Included | Microsoft Office (Trial) | - |
MISCELLANEOUS | Lenovo Yoga S940-14IWL (Lenovo Yoga S940) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
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Included Accessories | USB-C power adapter | Power adapter |
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Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip | - |
Features | Administrator password, hard drive password, power-on password | System password, 65W power delivery |
Compliant Standards | RoHS | - |
SAR Value | - | 0.028 W/kg (body), 0.028 W/kg (limb) |
ENERGY STAR Certified | Yes | - |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
Model Number | 14IWL 81Q7 | HF055T |