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Lenovo Legion 7i 15” vs. Alienware X15 R1: Full specs comparison

We thoroughly analyzed technical specifications for Lenovo Legion 7i 15” and Alienware X15 R1 models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo Legion 7i 15” See at Amazon	Compare With Please enter device name or part of it Alienware X15 R1 See at Amazon See at Dell

Lenovo Legion 7i 15” Pros

Reasons that Lenovo Legion 7i 15” is better than Alienware X15 R1.

Lenovo Legion 7i 15” comes with two SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Alienware X15 R1 since it has onboard memory.

Memory	Lenovo Legion 7i 15”	Alienware X15 R1
Slots	x2	Onboard
Type	DDR4	DDR4

Lenovo Legion 7i 15” weighed 4.6 pounds, 9% lighter than the 5 pounds Alienware X15 R1.

Weight	Lenovo Legion 7i 15”	Alienware X15 R1
Pound	4.6 lbs.	5 lbs.
Kilogram	2.09 kg	2.27 kg

Alienware X15 R1 Pros

Reasons that Alienware X15 R1 is better than Lenovo Legion 7i 15”.

2021 vs. 2020

Intel Core i9-11900H inside Alienware X15 R1 has a 15% better multi-core CPU performance score than the Intel Core i9-10980HK inside Lenovo Legion 7i 15”.

Geekbench 5 multi-core score

Alienware X15 R1 - Intel Core i9-11900H

8,121

Alienware X15 R1 - Intel Core i7-11800H

7,908

Lenovo Legion 7i 15” - Intel Core i9-10980HK

7,013

Lenovo Legion 7i 15” - Intel Core i7-10875H

6,874

Lenovo Legion 7i 15” - Intel Core i7-10750H

5,412

Lenovo Legion 7i 15” - Intel Core i5-10300H

3,747

Key Similars

Similar characteristics share between Lenovo Legion 7i 15” and Alienware X15 R1.

Both laptops supports up to 32GB of system memory.

Max system memory size

Lenovo Legion 7i 15”

32 GB

Alienware X15 R1

32 GB

Both laptops supports the same 3200MHz DDR4 RAM.

Memory type and speed

Lenovo Legion 7i 15” - DDR4

3,200 MHz

Alienware X15 R1 - DDR4

3,200 MHz

Prices

Here are the latest price updates and offers for both devices.

Lenovo Legion 7i 15” Price
	Lenovo Legion Pro 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900HX 24-Core, NVIDIA GeForce RTX 4080, 32GB RAM, 1TB M.2 NVMe Gen 4 SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $2,417.12	See at Amazon
	Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home By Lenovo $2,391.00 $2,549.99 6% OFF	See at Amazon
	Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i9-13900H 14C, NVIDIA GeForce RTX 4070, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home By Lenovo $1,899.95	See at Amazon
Alienware X15 Price
	Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Intel Core i7-12700H, 16GB RAM, 512GB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, USB-C, WiFi 6, Bluetooth, Windows 11 Home - White By Alienware $1,980.57	See at Amazon
	Alienware X15R1 Gaming Laptop - 15.6-inch FHD (1920x1080) 360Hz 1ms Display, Intel Core i7-11800H Processor, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 DDR6 Graphics, Windows 11 Home- Lunar Light By Alienware $1,369.97 $1,899.97 28% OFF	See at Amazon
	Alienware X15 R2 Gaming Laptop - 15.6-inch FHD 360Hz 1ms Display, Core i9-12900H, 16GB RAM, 1TB SSD, NVIDIA GeForce RTX 3070Ti 8GB GDDR6, Killer WiFi 6, Windows 11 Home - Lunar Light By Alienware $2,599.00	See at Amazon

Availability	Lenovo Legion 7i 15”	Alienware X15 R1
Released	2020	2021
Release Date	Announced in April 2020	Available on June 1, 2021
Pricing	Starting at $1199.99	$1,999.99 i7-11800H 16GB 256GB RTX 3060 FHD 165Hz $2,379.99 i7-11800H 16GB 512GB RTX 3070 FHD 165Hz $2,629.99 i7-11800H 32GB 1TB RTX 3070 FHD 165Hz $2,929.99 i9-11900H 32GB 1TB RTX 3070 FHD 360Hz
Generations	-	2022 Alienware X15 R2 2021 Alienware X15 R1

Exterior	Lenovo Legion 7i 15”	Alienware X15 R1
Dimensions	14.1" x 10" x 0.8"/ 360mm x 255mm x 20mm	14.16” x 10.915” x 0.642” (359.7 x 277.25 x 16.3 mm) With FHD 165Hz diplay. 14.16” x 10.915” x 0.626” (359.7 x 277.25 x 15.9 mm) With FHD 360Hz or QHD 240Hz diplay.
Weight	Starting at 4.6 lbs (2.1 kg)	5 - 5.2 lbs (2.27 - 2.36 kg)
Colors	Slate Grey	Lunar light
Keyboard and Trackpad	Keyboard Backlit full-size with the backlit keyboard. Corsair® iCUE RGB support Touchpad Precision Touchpad. Supports multi-touch gesture.	Keyboard Alienware X-Series thin keyboard Per-key RGB LED with AlienFX lighting Anti-ghosting and N-key rollover technology. 1.5mm key travel. Touchpad Multi-touch gesture Premium Precision glass touchpad with integrated scrolling. 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support. Supports AlienFX touchpad.

Display	Lenovo Legion 7i 15”	Alienware X15 R1
Size	15.6 Inches	15.6 Inches
Info	15.6" FHD 144Hz 1920 x 1080, IPS, 144 Hz, < 3ms response time, 100% sRGB, 300 nits. 15.6" FHD 144Hz HDR 1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% Adobe RGB, 500 nits, VESA DisplayHDR 400-certified, Dolby Vision™-enabled. 15.6" FHD 240Hz HDR 1920 x 1080, IPS, 240 Hz, <1 ms Response Time, 100% sRGB, 500 nits, VESA DisplayHDR 400 Certified, Dolby Vision™ Enabled.	15.6” FHD with 165Hz 1920 x 1080 141 PPI ComfortView Plus 3ms response time 300 nits 16:9 100% sRGB color gamut 1000:1 Anti-glare WVA 6W 15.6” FHD with 360Hz 1920 x 1080 141 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 1ms response time 300 nits 16:9 100% sRGB color gamut 1000:1 Anti-glare WVA 7.6W 15.6” QHD with 240Hz 2560 x 1440 188 PPI ComfortView Plus NVIDIA G-Sync Advanced Optimus 2ms response time 400 nits 16:9 99% DCI-P3 color gamut 1000:1 Anti-glare WVA 10.15 W

Ports	Lenovo Legion 7i 15”	Alienware X15 R1
1 x Thunderbolt™ 3 Type-C™ (Thunderbolt™, DisplayPort™, USB 3.1, HDMI™) 1 x USB-C (DisplayPort™ 1.4, USB 3.1 Gen 1) 2 x USB 3.1 Gen 2 Type-A 1 x USB 3.1 Gen 1 Type-A 1 x HDMI™ 2.0 1 x RJ45 Ethernet 1 x Kensington MiniSaver Lock slot 1 x 3.5mm microphone/headphone combo 1 x Power input 1 x NOVO hole	Image Source: Dell Left 1 x Headset port Right 1 x Power/DC-in Port Back 1 x Thunderbolt 4 Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A). 1 x USB-C Supports USB 3.2 Gen 2, DisplayPort 1.4, and PD output 15W (5V/3A). 1 x USB-A Supports USB 3.2 Gen 1 with PowerShare 1 x HDMI 2.1 Supports up to 4K@120Hz display out. 1 x MicroSD Card Slot

Internal Specs	Lenovo Legion 7i 15”	Alienware X15 R1
Processor	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i7-10750H 6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W 10th Gen Intel® Core™ i7-10875H 8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W 10th Gen Intel® Core™ i9-10980HK 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W	11th Gen Intel® Core™ i7-11800H 8 cores, 16 threads, 2.30 → 4.60 GHz, 24MB SmartCache, 45W 11th Gen Intel® Core™ i9-11900H 8 cores, 16 threads, 2.50 → 4.90 GHz, 24MB SmartCache, 45W
Integrated Graphics	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10980HK Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz	11th Gen Intel® Core™ i7-11800H Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz 11th Gen Intel® Core™ i9-11900H Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz
Memory	Memory Slots 2 x DDR4 SODIMM Memory Configurations Minimum Memory: 8GB Maximum Memory: 32GB Memory Speed: 2933MHz or 3200MHz	Memory Slots Onbaord memory Memory Configurations Speed: 3200MHz Memory Type: Dual-channel DDR4 Minimum Memory: 16 GB Maximum Memory: 32 GB
Discrete Graphics	NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6) NVIDIA® GeForce RTX™ 2060 (6GB GDDR6) NVIDIA® GeForce RTX™ 2070 Max-Q (8GB GDDR6) NVIDIA® GeForce RTX™ 2080 SUPER Max-Q (8GB GDDR6) NVIDIA® GeForce RTX™ 2070 SUPER Max-Q (8GB GDDR6)	NVIDIA® GeForce RTX™ 3060 6GB GDDR6 TGP: 70W Dynamic Boost: 20W Max Power: 90W Speed: 1050 → 1402 MHz NVIDIA® GeForce RTX™ 3070 8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1410 MHz NVIDIA® GeForce RTX™ 3080 8GB GDDR6 TGP: 90W Dynamic Boost: 20W Max Power: 110W Speed: 930 → 1365 MHz * All configurations include 8-phase HyperEfficient graphics voltage regulation.
Storage	Storage Slots 1 x M.2 2230/2280 PCIe SSD slot 1 x 2.5 inches hard drive slot Storage Configurations 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD 1 TB/2 TB HDD	1 x M.2 2230 slots (Up to 256GB) 2 x M.2 2280 slots (Up to 2TB each) Supports RAID-0

Connectivity	Lenovo Legion 7i 15”	Alienware X15 R1
Wi-Fi	WiFi 6 802.11AX (2 x 2) Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.	Rivet Killer Wi-Fi 6E AX1675x Dual Band 2.4 GHz/5 GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.0	Bluetooth 5.2
Ethernet	Gigabit LAN Speed: 10/100/1000 Mbps.	-

Battery	Lenovo Legion 7i 15”	Alienware X15 R1
Size	80 Wh (4 Cell polymer)	87 WHr, 6-cell smart lithium-ion battery
Battery Life	Up to 7.7 hours	-
Power Supply	230W AC power adapter Lenovo proprietary charging port.	240W power adapter.

Software	Lenovo Legion 7i 15”	Alienware X15 R1
OS	Windows 10 Home 64-bit Windows 10 Pro 64-bit	Windows 10 Home Windows 10 Pro Upgradable to Windows 11
Built-in Apps	Corsair® iCUE Lenovo Vantage McAfee LiveSafe™ Microsoft Office Trial	Alienware Command Center AlienFX lighting Game Library Auto-tune game profile functionality Fusion Alienware Adrenalin Alienware Mobile Connect Microsoft Office 365 (30-day trial)

Camera & Audio	Lenovo Legion 7i 15”	Alienware X15 R1
Camera	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.	Front-facing camera. Alienware HD (1280x720 resolution) camera. Optional Windows Hello IR support.
Audio	2 x 2W Harman Kardon® Speaker System with Chamber Dolby Atmos® Headphone Support Dual-array microphones	Controller: Realtek ALC3281 7.1 Digital Audio out using HDMI out connection Alienware Sound Center via Alienware Command Center Speakers: 2 x 4W speakers Microphone: Dual-array microphones

Misc	Lenovo Legion 7i 15”	Alienware X15 R1
Sensors	-	Windows Hello IR Camera
Security	Chassis Kensington® Wedge security lock	-
In the box	Legion 7i 15" 4 Cell 80Wh internal battery 230W AC adapter Quick start guide	-
Warranty	One Year Legion Ultimate Support	1 Year Hardware Service with Onsite/In-Home Service After Remote Diagnosis

Key Features	Lenovo Legion 7i 15”	Alienware X15 R1
At Glance	Released in 2020 16:9 FHD 15.6” 1080p 240Hz Weight 4.6 lb 2.09 kg Up to Intel Core i9-10980HK 8C/16T, 2.40 → 5.30 GHz Geekbench 5 1,223 Single Core Geekbench 5 7,013 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Upgradable up to 32GB 3200 MHz DDR4 NVIDIA GeForce RTX 2070 SUPER 8GB GDDR6 with Max-Q	Released in Mid 2021 16:9 QHD 15.6” 1440p 240Hz Weight 5 lb 2.27 kg Up to Intel Core i9-11900H 8C/16T, 2.50 → 4.90 GHz Geekbench 5 1,430 Single Core Geekbench 5 8,121 Multi-Core With integrated Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz Configurable up to 32GB 3200 MHz DDR4 Nvidia GeForce RTX 3080 8GB GDDR6 90W TGP