In depth comparison and review of Lenovo Legion S7 15ACH6 (82K8) and Lenovo Legion Y740-15IRHg (81UH). 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 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 S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.6 cm x 25.2 cm x 1.89 cm | 36.1 cm x 26.5 cm x 2.385 cm |
| Weight | 1.9 kg | 2.2 kg |
| Case Material | Aluminum | Aluminum |
| Colour | Shadow black | Black |
| DISPLAY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| 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 | 500 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, NVIDIA G-SYNC compatible, HDR 400 compatible, Dolby Vision |
| PROCESSOR | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| CPU | AMD Ryzen 7 5800H / 3.2 GHz | Intel Core i7 (9th Gen) 9750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 4.5 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 16 MB | 12 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Mobile Intel HM370 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 32 GB (2 x 16 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 | 0 |
| STORAGE | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| 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 RTX 2080 / Intel UHD Graphics 630 |
| Max Monitors Supported | 2 external monitor(s) | - |
| Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 | Max-Q design |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Camera Features | Privacy shutter, fixed focus | Privacy shutter |
| Sound | Harman/kardon stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio, Dolby Atmos |
| Audio Features | Smart Amp, Nahimic audio | - |
| VR Ready | Yes | Yes |
| COMMUNICATIONS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 - M.2 Card | Killer Wireless-AC 1550i - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Technology | Lithium polymer | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 71 Wh | 57 Wh |
| Battery Life | Up to 7.8 hours | Up to 5 hours |
| AC ADAPTER | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 230 Watt | 230 Watt |
| INPUT | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, glass touchpad | Anti-ghosting, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| 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 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 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 10 Pro 64-bit Edition - English |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo Legion S7 15ACH6 (82K8) | Lenovo Legion Y740-15IRHg (81UH) |
|---|
| 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, Corsair iCUE |
| Compliant Standards | Energy-Related Products (ErP) Lot 3 | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.01 W/kg (body), 0.01 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Specific Absorption Rate (SAR) | - | 0.01 W/kg (body) 0.01 W/kg (limb) |
| 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 - 2 years - pick-up and return Limited warranty - battery - 2 years |
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