In depth comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LWS) and Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340). 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 | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2 cm | 41.3 cm x 28.46 cm x 2.43 cm |
| Weight | 2.48 kg | 2.8 kg |
| Case Material | - | Polycarbonate ABS |
| Colour | Gunmetal gray | Granite black |
| DISPLAY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Screen Size (Type) | 15.6" | 17.3" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1600 x 900 (HD+) |
| V-Sync Rate at Max Res. | 300 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 220 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC, 75.35% Adobe RGB | 60% |
| Features | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut | Anti-glare |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| CPU | Intel Core i7 (10th Gen) 10875H / 2.3 GHz | Intel Core i3 (8th Gen) 8145U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 5.1 GHz | 3.9 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 L340-17IWL (Lenovo IdeaPad L340) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 48 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2400 MHz |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB HDD SATA 6Gb/s / 5400 rpm |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| 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 |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, array microphone | Stereo speakers, 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 L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Single stream (1x1) |
| BATTERY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 36 Wh |
| Battery Life | - | Up to 7.7 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 45 Watt |
| INPUT | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Type | Keyboard, NumberPad, ScreenPad Plus | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes (RGB) | - |
| 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 L340-17IWL (Lenovo IdeaPad L340) |
|---|
| 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 |
2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 HDMI LAN Headphone/microphone combo jack |
|---|
| SOFTWARE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | Lenovo IdeaPad L340-17IWL (Lenovo IdeaPad L340) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Firmware 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 | 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) | - |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | HF055T | 17IWL 81M0 |
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