In depth comparison and review of Lenovo IdeaPad L340-15IRH Gaming (81LK) 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 IdeaPad L340-15IRH Gaming (81LK) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable gaming option
decent processor performance
full hd display
comfortable keyboard layout
adequate thermal management
average battery life
limited upgrade options
plastic build quality
no thunderbolt support
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 IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.3 cm x 25.46 cm x 2.39 cm | 39.923 cm x 29.957 cm x 2.09 cm |
| Weight | 2.19 kg | 2.99 kg |
| Case Material | Polycarbonate ABS | - |
| Colour | Granite black | Lunar light |
| DISPLAY | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Screen Size (Type) | 15.6" - IPS | 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. | - | 480 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Anti-glare, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 mm pixel pitch |
| PROCESSOR | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| CPU | Intel Core i5 (9th Gen) 9300H / 2.4 GHz | Intel Core i9 (12th Gen) 12900HK / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 5 GHz |
| Number of Cores | Quad-Core | 14-core |
| Cache | 8 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 IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| RAM | 8 GB (1 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2400 MHz | 4800 MHz |
| Rated Speed | 2400 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x2 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1050 / Intel UHD Graphics 630 | NVIDIA GeForce RTX 3080 Ti |
| Video Memory | 3 GB GDDR5 SDRAM | 16 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA G-SYNC, AMD FreeSync, Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - 1280 x 720 (standard), 640 x 360 (infrared) |
| Resolution | - | 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 ALC3281 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio |
| COMMUNICATIONS | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 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 | Single stream (1x1) | - |
| BATTERY | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Technology | Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 87 Wh |
| Battery Life | Up to 9 hours | Up to 6 hours |
| AC ADAPTER | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 19.5 V |
| INPUT | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Multi-touch touchpad, buttonless touchpad, blue LED backlighting | Multi-gesture touch pad, Per-Key illumination |
| CONNECTIONS & EXPANSIONS | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Interfaces | 2 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 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 IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition - English | Windows 11 Home |
|---|---|---|
| Software Included | Microsoft Office (Trial) | Microsoft Office 2013 (Trial) |
| MISCELLANEOUS | Lenovo IdeaPad L340-15IRH Gaming (81LK) | Alienware x17 R2 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| 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, RapidCharge | AlienFX Lighting Zones, retail packaging |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3 | - |
| ENERGY STAR Certified | Yes | - |
| 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 |
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