Detailed comparison and review of Lenovo Legion Y520-15IKBM (80YY) and Lenovo Legion Y740-15IRHg (81UH). 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.
Advantages and disadvantages of Lenovo Legion Y740-15IRHg (81UH) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vivid 144Hz display
premium build quality
effective thermal management
rgb keyboard lighting
heavier than competitors
short battery life
limited storage capacity
higher price point
DESIGN AND DIMENSIONS | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 38 cm x 26.5 cm x 2.78 cm | 36.1 cm x 26.5 cm x 2.385 cm |
Weight | 2.4 kg | 2.2 kg |
Case Material | Polycarbonate ABS | Aluminum |
Colour | Black | Black |
DISPLAY | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
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LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
V-Sync Rate at Max Res. | - | 144 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 500 cd/m² |
Colour Gamut | - | 72% |
Features | Anti-glare | Anti-glare, NVIDIA G-SYNC compatible, HDR 400 compatible, Dolby Vision |
PROCESSOR | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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CPU | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz | Intel Core i7 (9th Gen) 9750H / 2.6 GHz |
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Max Turbo Speed | 3.8 GHz | 4.5 GHz |
Number of Cores | Quad-Core | 6-core |
Cache | 6 MB | 12 MB |
64-bit Computing | Yes | Yes |
Chipset | Mobile Intel HM175 | Mobile Intel HM370 |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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RAM | 8 GB (1 x 8 GB) | 32 GB (2 x 16 GB) |
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Max RAM Supported | 32 GB | 32 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 2666 MHz |
Rated Speed | 2400 MHz | 2666 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 2 | 2 |
Empty Slots | 1 | 0 |
STORAGE | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
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Secondary Storage | 1 TB HDD SATA 6Gb/s / 5400 rpm - Seagate | - |
AUDIO & VIDEO | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
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Graphics Processor (GPU) | NVIDIA GeForce GTX 1060 | NVIDIA GeForce RTX 2080 / Intel UHD Graphics 630 |
Video Memory | 6 GB GDDR5 SDRAM | 8 GB GDDR6 SDRAM |
Video System Features | Max-Q design | Max-Q design |
Gaming | Yes | Yes |
Camera | Yes - 720p | Yes - 720p |
Resolution | 1 Megapixel | 1 Megapixel |
Camera Features | - | Privacy shutter |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | - | Realtek ALC3286 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
Audio Features | Output: Harman audio technology | - |
VR Ready | - | Yes |
COMMUNICATIONS | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | Intel Dual Band Wireless-AC 3165 - M.2 Card | Killer Wireless-AC 1550i - M.2 Card |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
BATTERY | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Technology | 3-cell Lithium Ion | Lithium Ion |
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Battery Capacity (Size) | 45 Wh | 57 Wh |
Battery Life | Up to 4 hours | Up to 5 hours |
AC ADAPTER | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 135 Watt, 20 V, 6.75 A | 230 Watt |
INPUT | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes (RGB) |
Features | - | Anti-ghosting, multi-touch touchpad |
CONNECTIONS & EXPANSIONS | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Interfaces | USB-C (supports DisplayPort 1.2 Alt Mode) 2 x USB 3.0 USB 2.0 HDMI LAN Headphone/microphone combo jack Mini DisplayPort |
USB 3.1 Gen 1 Mini DisplayPort USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) HDMI LAN Headphone/microphone combo jack USB 3.1 Gen 1 (Always On) USB 3.1 Gen 2 |
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SOFTWARE | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo Legion Y520-15IKBM (80YY) | Lenovo Legion Y740-15IRHg (81UH) |
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Included Accessories | Power adapter | Power adapter |
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Integrated Options | - | RGB lighting |
Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
Security Slot Type | Kensington mini security slot | Kensington security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, power-on password, Corsair iCUE |
Compliant Standards | RoHS | RoHS, Energy-Related Products (ErP) Lot 3 |
SAR Value | - | 0.01 W/kg (body), 0.01 W/kg (limb) |
Specific Absorption Rate (SAR) | - | 0.01 W/kg (body) 0.01 W/kg (limb) |
Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return Limited warranty - battery - 2 years |