Side by side comparison and review of Lenovo Legion 7 15IMHg05 (81YU) and Alienware x17 R2. 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 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
Advantages and disadvantages of Alienware x17 R2 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-refresh-rate display
advanced cooling technology
customizable rgb lighting
premium build quality
expensive price point
heavy and bulky
short battery life
limited upgradeability
| DESIGN AND DIMENSIONS | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.934 cm x 25.904 cm x 1.99 cm | 39.923 cm x 29.957 cm x 2.09 cm |
| Weight | 2.25 kg | 2.99 kg |
| Case Material | Aluminum | - |
| Colour | Slate grey | Lunar light |
| DISPLAY | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Screen Size (Type) | 15.6" | 17.3" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 127 |
| V-Sync Rate at Max Res. | 144 Hz | 480 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 500 cd/m² | 300 cd/m² |
| Colour Gamut | 100% Adobe RGB | 100% sRGB |
| Features | Anti-glare, NVIDIA G-SYNC compatible, Wide Viewing Angle, DisplayHDR 400, Dolby Vision | Anti-glare, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 mm pixel pitch |
| PROCESSOR | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| CPU | Intel Core i7 (10th Gen) 10875H / 2.3 GHz | Intel Core i9 (12th Gen) 12900HK / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 5.1 GHz | 5 GHz |
| Number of Cores | 8-core | 14-core |
| Cache | 16 MB | L3 - 24 MB |
| 64-bit Computing | Yes | - |
| Chipset | Intel HM470 | - |
| Features | Integrated memory controller | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| RAM | 16 GB (2 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2933 MHz | 4800 MHz |
| Rated Speed | 3200 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 / Intel UHD Graphics | NVIDIA GeForce RTX 3080 Ti |
| Video Memory | 8 GB GDDR6 SDRAM | 16 GB GDDR6 SDRAM |
| Video System Features | Max-Q design | NVIDIA G-SYNC, AMD FreeSync, Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - 1280 x 720 (standard), 640 x 360 (infrared) |
| Resolution | 1 Megapixel | 0.92 Megapixel (standard), 0.23 Megapixel (infrared) |
| Camera Features | Privacy shutter, fixed focus | IR/RGB camera, 75.8 degrees |
| Image Sensor Type | - | CMOS |
| Video Resolutions | - | 1280 x 720 |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Two tweeters, two woofers, dual array microphone |
| Codec | Realtek ALC3306 | Realtek ALC3281 |
| Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio |
| VR Ready | Yes | - |
| COMMUNICATIONS | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Killer Wi-Fi 6E AX1675 |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | - | Killer Ethernet E3100G |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Technology | Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 87 Wh |
| Battery Life | Up to 8 hours | Up to 6 hours |
| AC ADAPTER | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 230 Watt | 19.5 V |
| INPUT | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Anti-ghosting, spill-resistant, multi-touch touchpad, buttonless touchpad, RGB LED backlight | Multi-gesture touch pad, Per-Key illumination |
| CONNECTIONS & EXPANSIONS | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Interfaces | 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 |
HDMI Mini DisplayPort 1.4 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 (PowerShare) LAN (RJ-45) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (30 days trial) | Microsoft Office 2013 (Trial) |
| MISCELLANEOUS | Lenovo Legion 7 15IMHg05 (81YU) | Alienware x17 R2 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Integrated Options | RGB lighting | - |
| Security | 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, hard drive password, power-on password, Corsair iCUE, Rapid Charge Pro | AlienFX Lighting Zones, retail packaging |
| Compliant Standards | 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 - 1 year - pick-up and return | Limited warranty - 1 year |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
