In depth comparison and review of Lenovo Legion Y740-17IRHg (81UJ) and Alienware x17 R2. 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 Y740-17IRHg (81UJ) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
vivid display colors
premium build quality
effective cooling system
customizable rgb lighting
heavy and bulky
short battery life
limited port selection
high price point
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 Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 41.2 cm x 30.5 cm x 2.545 cm | 39.923 cm x 29.957 cm x 2.09 cm |
Weight | 2.9 kg | 2.99 kg |
Case Material | Aluminum | - |
Colour | Iron grey | Lunar light |
DISPLAY | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Screen Size (Type) | 17.3" - IPS | 17.3" |
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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 | 300 cd/m² | 300 cd/m² |
Colour Gamut | 72% | 100% sRGB |
Features | Anti-glare, NVIDIA G-SYNC compatible, 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 Y740-17IRHg (81UJ) | Alienware x17 R2 |
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CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i9 (12th Gen) 12900HK / 2.5 GHz |
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Max Turbo Speed | 4.5 GHz | 5 GHz |
Number of Cores | 6-core | 14-core |
Cache | 12 MB | L3 - 24 MB |
64-bit Computing | Yes | - |
Chipset | Mobile Intel HM370 | - |
Features | Integrated memory controller | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
MEMORY | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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RAM | 32 GB (2 x 16 GB) | 32 GB (2 x 16 GB) |
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Max RAM Supported | 32 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM |
Speed | 2666 MHz | 4800 MHz |
Rated Speed | 2666 MHz | 4800 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 2 | 2 |
Empty Slots | 0 | 0 |
STORAGE | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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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) |
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AUDIO & VIDEO | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 / Intel UHD Graphics 630 | 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 | - | 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 ALC3286 | Realtek ALC3281 |
Compliant Standards | High Definition Audio, Dolby Atmos | High Definition Audio |
VR Ready | Yes | - |
COMMUNICATIONS | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Killer Wireless-AC 1550i - M.2 Card | Killer Wi-Fi 6E AX1675 |
Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
Ethernet Controller | - | Killer Ethernet E3100G |
BATTERY | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Technology | Lithium Ion | 6-cell Lithium Ion |
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Battery Capacity (Size) | 76 Wh | 87 Wh |
Battery Life | Up to 6 hours | Up to 6 hours |
AC ADAPTER | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 230 Watt | 19.5 V |
INPUT | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Type | Keyboard, touchpad | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes (RGB) | Yes (RGB) |
Features | Anti-ghosting, multi-touch touchpad | Multi-gesture touch pad, Per-Key illumination |
CONNECTIONS & EXPANSIONS | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Interfaces | USB 3.1 Gen 1 (Always On) USB 3.1 Gen 1 USB 3.1 Gen 2 USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) HDMI Mini DisplayPort 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 |
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Memory Card Reader | - | Yes (microSD, microSDHC, microSDXC) |
SOFTWARE | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Home |
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Software Included | Microsoft Office (Trial) | Microsoft Office 2013 (Trial) |
MISCELLANEOUS | Lenovo Legion Y740-17IRHg (81UJ) | Alienware x17 R2 |
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Included Accessories | Power adapter | Power adapter |
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Integrated Options | RGB lighting | - |
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 | AlienFX Lighting Zones, retail packaging |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
SAR Value | 0.01 W/kg (body), 0.01 W/kg (limb) | - |
Specific Absorption Rate (SAR) | 0.01 W/kg (body) 0.01 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 |