In depth comparison and review of Lenovo Legion S7 15ACH6 (82K8) and Lenovo Legion Y540-15IRH-PG0 (81SY). 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.
Advantages and disadvantages of Lenovo Legion S7 15ACH6 (82K8) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
slim lightweight design
high refresh rate screen
efficient thermal management
solid build quality
average battery life
limited port selection
no webcam included
higher price point
Advantages and disadvantages of Lenovo Legion Y540-15IRH-PG0 (81SY) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
effective thermal management
robust build quality
reasonable price point
average battery life
heavyweight design
noisy under load
limited color accuracy
| DESIGN AND DIMENSIONS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.2 cm x 1.89 cm | 36 cm x 26.7 cm x 2.52 cm |
| Weight | 1.9 kg | 2.3 kg |
| Case Material | Aluminum | Polycarbonate ABS |
| Colour | Shadow black | Raven black |
| DISPLAY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2560 x 1440 (WQHD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 165 Hz | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 100% sRGB | 72% |
| Features | Anti-glare, NVIDIA G-SYNC compatible, FreeSync Technology, 178° viewing angle, DC dimmer, Dolby Vision | Anti-glare |
| PROCESSOR | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| CPU | AMD Ryzen 7 5800H / 3.2 GHz | Intel Core i5 (9th Gen) 9300H / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.1 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | L3 - 16 MB | 8 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel HM370 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 24 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 3200 MHz | 2666 MHz |
| Rated Speed | 3200 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 128 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 / AMD Radeon Graphics | NVIDIA GeForce GTX 1650 / Intel UHD Graphics 630 |
| Max Monitors Supported | 2 external monitor(s) | - |
| Video Memory | 6 GB GDDR6 SDRAM | 4 GB GDDR5 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 | - |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Privacy shutter, fixed focus | Fixed focus |
| Sound | Harman/kardon stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | Smart Amp, Nahimic audio | Output: Harman audio technology |
| VR Ready | Yes | - |
| COMMUNICATIONS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 - M.2 Card | M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 71 Wh | 52.5 Wh |
| Battery Life | Up to 7.8 hours | Up to 10 hours |
| AC ADAPTER | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 230 Watt | 170 Watt |
| INPUT | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, glass touchpad | Multi-touch touchpad, white LED backlight |
| CONNECTIONS & EXPANSIONS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.2 Gen 2 USB 3.2 Gen 2 (Always On) 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) Headphone/microphone combo jack |
USB 3.1 Gen 1 (Always On) 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 (supports DisplayPort 1.2 Alt Mode) HDMI LAN Headphone/microphone combo jack Mini DisplayPort 1.4 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y540-15IRH-PG0 (81SY) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | Accelerometer | RGB lighting |
| Security | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | 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 | Administrator password, power-on password, 100W power delivery, Rapid Charge Express | Administrator password, hard drive password, power-on password |
| Compliant Standards | Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 1.104 W/kg (body), 1.104 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 5 °C | - |
| Humidity Range Operating | 8 - 95% | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
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