In depth comparison and review of Alienware M15 R4 and Lenovo Legion 7 15IMHg05 (81YU). 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 Alienware M15 R4 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vivid, fast display
customizable rgb lighting
high-quality build
advanced cooling system
heavy and bulky
short battery life
expensive
loud under load
Advantages and disadvantages of Lenovo Legion 7 15IMHg05 (81YU) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-quality display
robust build quality
effective thermal management
ample connectivity options
heavy and bulky
short battery life
expensive price point
loud under load
| DESIGN AND DIMENSIONS | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.03 cm x 27.6 cm x 1.79 cm | 35.934 cm x 25.904 cm x 1.99 cm |
| Weight | 2.5 kg | 2.25 kg |
| Case Material | - | Aluminum |
| Colour | Lunar light | Slate grey |
| DISPLAY | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | - | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | 141 | - |
| V-Sync Rate at Max Res. | 144 Hz | 144 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 500 cd/m² |
| Colour Gamut | - | 100% Adobe RGB |
| Features | - | Anti-glare, NVIDIA G-SYNC compatible, Wide Viewing Angle, DisplayHDR 400, Dolby Vision |
| PROCESSOR | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| CPU | Intel Core i7 (10th Gen) 10870H / 2.2 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 5.1 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | 16 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel HM470 | Intel HM470 |
| Features | Intel Thermal Velocity Boost | Integrated memory controller |
| MEMORY | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2933 MHz |
| Rated Speed | 2933 MHz | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 0 |
| STORAGE | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce RTX 2070 / Intel UHD Graphics |
| Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design |
| Gaming | - | Yes |
| Camera | Yes - HD | Yes - 720p |
| Resolution | 0.92 Megapixel | 1 Megapixel |
| Camera Features | 74.9 degrees, RGB camera | Privacy shutter, fixed focus |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3281-CG | Realtek ALC3306 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| VR Ready | - | Yes |
| COMMUNICATIONS | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650 | M.2 Card |
| Network Interface | 2.5 Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer E3100 | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 86 Wh | 80 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 19.5 V, 12.31 A | 230 Watt |
| INPUT | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Multi-gesture touch pad | Anti-ghosting, spill-resistant, multi-touch touchpad, buttonless touchpad, RGB LED backlight |
| CONNECTIONS & EXPANSIONS | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Interfaces | USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) USB 3.1 Gen 1 (PowerShare) 2 x USB 3.1 Gen 1 HDMI Headphone/microphone combo jack Graphics Amplifier Port LAN Mini DisplayPort 1.4 |
USB 3.1 Gen 1 (Always On) 2 x USB 3.1 Gen 2 USB-C 3.1 Gen 1 (supports DisplayPort 1.4 Alt Mode) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | - | Microsoft Office (30 days trial) |
| MISCELLANEOUS | Alienware M15 R4 | Lenovo Legion 7 15IMHg05 (81YU) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | - | RGB lighting |
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Noble Wedge 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, Corsair iCUE, Rapid Charge Pro |
| Compliant Standards | DisplayPort 1.4 | RoHS, Energy-Related Products (ErP) Lot 3 |
| SAR Value | - | 0.03 W/kg (body), 0.03 W/kg (limb) |
| Max Operating Temperature | 35 °C | - |
| Min Operating Temperature | 0 °C | - |
| Humidity Range Operating | 10 - 90% (non-condensing) | - |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 1 year - pick-up and return |
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