Side by side comparison and review of Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) and Lenovo Legion Y520-15IKBM (80YY). 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.
Advantages and disadvantages of Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) based on its technical characteristics, features, user experience, expert reviews and price level.
slim, lightweight design
high-resolution display
powerful processor options
good thermal management
robust build quality
average battery life
no dedicated GPU
limited port selection
high price point
| DESIGN AND DIMENSIONS | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.18 cm x 1.49 cm | 38 cm x 26.5 cm x 2.78 cm |
| Weight | 1.7 kg | 2.4 kg |
| Case Material | Aluminum | Polycarbonate ABS |
| Colour | Iron grey | Black |
| DISPLAY | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| 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. | 60 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | - |
| Features | Anti-glare, Wide Viewing Angle, Dolby Vision, 72% NTSC colour gamut | Anti-glare |
| PROCESSOR | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| CPU | Intel Core i5 (10th Gen) 10300H / 2.5 GHz | Intel Core i7 (7th Gen) 7700HQ / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 3.8 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel HM470 | Mobile Intel HM175 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2400 MHz |
| Rated Speed | 2933 MHz | 2400 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung |
|---|---|---|
| Secondary Storage | - | 1 TB HDD SATA 6Gb/s / 5400 rpm - Seagate |
| AUDIO & VIDEO | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | NVIDIA GeForce GTX 1060 |
|---|---|---|
| Video Memory | - | 6 GB GDDR5 SDRAM |
| Video System Features | - | 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 Atmos | High Definition Audio, Dolby Audio |
| Audio Features | - | Output: Harman audio technology |
| COMMUNICATIONS | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| BATTERY | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 60 Wh | 45 Wh |
| Battery Life | Up to 8 hours | Up to 4 hours |
| AC ADAPTER | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 95 Watt | 135 Watt, 20 V, 6.75 A |
| INPUT | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Anti-ghosting, multi-touch touchpad, white LED backlight | - |
| CONNECTIONS & EXPANSIONS | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Interfaces | USB 3.2 Gen 2 (Always On) USB 3.2 Gen 2 2 x USB-C 3.2 Gen 1 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) Headphone/microphone combo jack VGA (on supplied adapter) HDMI (on supplied adapter) USB 3.0 (on supplied adapter) |
USB-C (supports DisplayPort 1.2 Alt Mode) 2 x USB 3.0 USB 2.0 HDMI LAN Headphone/microphone combo jack Mini DisplayPort |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | - |
| MISCELLANEOUS | Lenovo Legion Y740S-15IMH (Lenovo Legion Y740S) | Lenovo Legion Y520-15IKBM (80YY) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Bundled with | Lenovo USB-C 3-in-1 Hub | - |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | - | Kensington mini security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password | Administrator password, hard drive password, power-on password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | RoHS |
| SAR Value | 0.016 W/kg (body), 0.016 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
| Model Number | 15IMH 81YX | - |
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