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Alienware M15 R4 vs. Lenovo ThinkPad X1 Extreme Gen 4: Full specs comparison

We thoroughly analyzed technical specifications for Alienware M15 R4 and Lenovo ThinkPad X1 Extreme Gen 4 models, including CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Alienware M15 R4 See at Amazon See at Dell	Compare With Please enter device name or part of it Lenovo ThinkPad X1 Extreme Gen 4 See at Amazon

Alienware M15 R4 Pros

We couldn't find any advantages of Alienware M15 R4 over Lenovo ThinkPad X1 Extreme Gen 4.

Lenovo ThinkPad X1 Extreme Gen 4 Pros

Reasons that Lenovo ThinkPad X1 Extreme Gen 4 is better than Alienware M15 R4.

Intel Core i9-11950H inside Lenovo ThinkPad X1 Extreme Gen 4 has a 20% better multi-core CPU performance score than the Intel Core i9-10980HK inside Alienware M15 R4.

Geekbench 5 multi-core score

Lenovo ThinkPad X1 Extreme Gen 4 - Intel Core i9-11950H

8,450

Lenovo ThinkPad X1 Extreme Gen 4 - Intel Core i7-11850H

8,205

Lenovo ThinkPad X1 Extreme Gen 4 - Intel Core i7-11800H

7,908

Alienware M15 R4 - Intel Core i9-10980HK

7,013

Alienware M15 R4 - Intel Core i7-10870H

6,596

Lenovo ThinkPad X1 Extreme Gen 4 supports a larger memory capacity than the Alienware M15 R4. It supports up to 64GB versus 32GB of system memory on the Alienware M15 R4.

Max system memory size

Lenovo ThinkPad X1 Extreme Gen 4

64 GB

Alienware M15 R4

32 GB

Lenovo ThinkPad X1 Extreme Gen 4 supports a faster memory speed than the Alienware M15 R4. It supports up to 3200MHz versus 2933MHz of system memory on the Alienware M15 R4.

Memory type and speed

Lenovo ThinkPad X1 Extreme Gen 4 - DDR4

3,200 MHz

Alienware M15 R4 - DDR4

2,933 MHz

Lenovo ThinkPad X1 Extreme Gen 4 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 M15 R4 since it has onboard memory.

Memory	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Slots	Onboard	x2
Type	DDR4	DDR4

Lenovo ThinkPad X1 Extreme Gen 4 weighed 3.99 pounds, 15% lighter than the 4.65 pounds Alienware M15 R4.

Weight	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Pound	4.65 lbs.	3.99 lbs.
Kilogram	2.11 kg	1.81 kg

Prices

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

Alienware M15 R4 Price
	Alienware m15 R4 RTX 3070 Gaming Laptop Full HD (FHD), 15.6 inch - Intel Core i7-10870H, 16GB DDR4 RAM, 1TB SSD, NVIDIA GeForce RTX 3070 8GB GDDR6, Windows 10 Home - Lunar Light By Dell $1,740.00	See at Amazon
	Alienware - m15 R4-15.6" FHD Gaming Laptop - Intel Core i7-16GB Memory - Nvidia RTX3070-512GB Solid State Drive - Dark Side of The Moon By Dell $1,999.99	See at Amazon
	Alienware m15 R4 Gaming Laptop, 15.6 inch Full HD (FHD) - Intel Core i7-10870H, 16GB DDR4 RAM, 512GB SSD, NVIDIA GeForce RTX 3060 6GB GDDR6, Windows 10 Home - Lunar Light By Alienware $2,099.99	See at Amazon
Lenovo ThinkPad X1 Extreme Gen 4 Price
	Lenovo ThinkPad X1 Extreme Gen 4 16" 2K QHD (Intel Core i7-11800H, 64GB RAM, 2TB SSD, Geforce RTX 3050 Ti) Business & Mobile Workstation Laptop, Backlit, FP, 3-Yr WRT, IST Cable, Win 11 Pro, Black By Lenovo $1,799.99	See at Amazon
	Lenovo ThinkPad X1 Extreme Gen 5 Business Laptop, 16" WUXGA IPS Display, Core i7-12700H, Windows 11 Pro, 32GB RAM, 1TB SSD, GeForce RTX 3050 Ti, Wi-Fi 6E, Fingerprint Reader, Backlit Keyboard, TD By Lenovo $1,885.77 $2,029.00 7% OFF	See at Amazon
	Lenovo ThinkPad X1 Extreme Gen 4 Business & Mobile Workstation Laptop (16" 2K QHD, Intel Core i7-11800H, 64GB RAM, 1TB SSD, RTX 3050 Ti), Backlit, FP, 3-Yr WRT, IST Cable, Win 11 Pro (Renewed) By Lenovo $1,599.99	See at Amazon

Availability	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Released	2021	2021
Release Date	Announced on January 12, 2021 (CES 2021) Available on January 26, 2021	Announced on June 23, 2021 (MWC 2021). Available starting August 2021.
Pricing	Starting at $2,149.99	Starting at €2,099
Applicable Models	-	Lenovo ThinkPad X1 Extreme Gen 4
Generations	2022 Alienware M15 R7 2021 Alienware M15 R6 2021 Alienware M15 R5 2021 Alienware M15 R4 2020 Alienware M15 R3 2019 Alienware M15 R2 2019 Alienware M15 R1	-

Exterior	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Dimensions	14.19” x 10.879” x 0.724 - 0.807 - 0.776” (360.3 mm x 276.32 mm x 18.39 - 20.5 - 19.7 mm) Alienware M15 R4 with OLED display models 14.19” x 10.863” x 0.701 - 0.783 - 0.776” (360.3 mm x 275.92 mm x 17.8 - 19.9 - 19.7 mm) Alienware M15 R4 with 300Hz display models	14.15 x 9.99 x 0.70 inches (359.5 x 253.8 x 17.7 mm) Non-touch models. 14.15 x 9.99 x 0.72 inches (359.5 x 253.8 x 18.2 mm) Touch models.
Weight	Starting at 4.65 lbs (2.10 kg) up to 5.51 lbs (2.50 kg)	3.99 lbs (1.81 kg ) Non-touch models. 4.1 lbs (1.86 kg) Touch models.
Colors	Dark Side of the Moon with High Endurance Clear Coat Lunar Light with High Endurance Clear Coat	Black
Keyboard and Trackpad	Keyboard Alienware mSeries 4-Zone AlienFX RGB keyboard. Alienware mSeries keyboard with per-key RGB LED. AlienFX lighting Includes anti-ghosting and N-key rollover technology 1.7mm key travel 0.2mm-dish concave key design 4.13 x 2.36 in (105 mm x 80 mm) precision touchpad with multi-touch gesture support.	Bottom-load backlit keyboard with white LED, 1.5mm stroke 6-row, spill-resistant, multimedia Fn keys with Unified Communications controls Trackpad + TrackPoint® pointing device Multitouch glass touchpad (115 x 67mm)

Display	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Size	15.6 Inches	16 Inches
Info	15.6” FHD with 300Hz 1920 x 1080 141 PPI 3ms response time 300 nits 16:9 100% sRGB color gamut Anti-glare WVA 6.3W 15.6” UHD with 60Hz 3840 x 2160 OLED 282 PPI 1ms response time 400 nits 16:9 HDR-400 100% DCI-P3 color gamut 100000:1 contrast ratio TrueLife Tobii Eyetracking technology WVA 14.8W	16” QHD+ Non-touch Display 16:10, IPS, Anti-Glare, Non-touch, 2560x1600, 400nit, 100% sRGB, 1200:1, 60Hz, Low Blue Light. 16” UHD+ Non-touch Display 16:10, IPS, Anti-Glare, Non-touch, 3840x2400, 600nit, 100% Adobe RGB, HDR400 Dolby Vision, 1500:1, 60Hz, Low Blue Light, 8+2 bit color. 16” UHD+ Touch Display 16:10, IPS, Anti-Reflective, Anti-Smudge, Touch, 3840x2400, 600nit, 100% Adobe RGB, HDR400 Dolby Vision, 1500:1, 60Hz, Low Blue Light, 8+2 bit color.

Ports	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Image Source: Dell 1 x Thunderbolt™ 3 Port Supports USB Type-C™ with support for USB 3.2 Gen 2 10Gbps, 40Gbps Thunderbolt, and DisplayPort 1.2. 2 x Type-A USB 3.2 Gen 1 Port 1 x Type-A USB 3.2 Gen 1 port with PowerShare technology 1 x RJ-45 Killer™ Ethernet E3000 10/100/1000Mbps/2.5Gbps Port 1 x Alienware Graphics Amplifier Port 1 x HDMI 2.1 Supports up to 4K@120Hz display out. 1 x Mini-Display Port 1.4 (certified) Output Port 1 x Audio Out 1/8" Ports (Compatible with inline mic headset) 1 x Wedge-shaped lock slot (cable and lock sold separately) 1 x microSD 5.1, UHD-II HD312 Card Reader 1 x Power/DC-in Port	Left 2 x Thunderbolt™️ 4 Supports USB 4 with 40Gbps data transfer, DisplayPort 1.4, and Power Delivery 3.0. 1 x HDMI HDMI 2.0 on models with integrated graphics. HDMI 2.1 on models with discrete graphics. 1 x Headset jack 3.5mm 1 x Power connector Right 2 x USB-A 1 x USB 3.2 Gen 1 (5 Gbps). 1 x USB 3.2 Gen 1 (5Gbps) with Always On. 1 x SD Card Reader Full-size with UHS-II supports 1 x Kensington nano security slot.

Internal Specs	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Processor	10th Gen Intel® Core™ i7-10870H 8 cores, 16 threads, 2.20 → 5.00 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™ i7-11850H 8 cores, 16 threads, 2.50 → 4.80 GHz, 24MB SmartCache, 45W 11th Gen Intel® Core™ i9-11950H 8 cores, 16 threads, 2.60 → 5.00 GHz, 24MB SmartCache, 45W
Integrated Graphics	10th Gen Intel® Core™ i7-10870H 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™ i7-11850H Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz 11th Gen Intel® Core™ i9-11950H Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz
Memory	8 GB 16 GB 32 GB 2933 MHz Dual-channel DDR4 RAM Onboard memory.	4GB 8GB 16GB 32GB 64GB Memory Slots: 2 x SO-DIMM slots Memory Type: Dual Channel Non-ECC DDR4 Memory Memory Speed: 3200 MHz Memory Per Slot: 4GB 8GB 16GB 32GB
Discrete Graphics	NVIDIA® GeForce RTX™ 3070 8GB GDDR6 VRAM. NVIDIA® GeForce RTX™ 3080 8GB GDDR6 VRAM.	NVIDIA® GeForce® RTX™ 3050 Ti - 4GB GDDR6 NVIDIA GeForce RTX 3060 Laptop GPU - 6GB GDDR6 NVIDIA GeForce RTX 3070 Laptop GPU - 8GB GDDR6 NVIDIA GeForce RTX 3080 Laptop GPU - 16GB GDDR6 All supports Advanced Optimus, Resizable BAR, Dynamic Boost 2.0, DirectX 12.
Storage	Available Slots One M.2 2230 slot (Up to 512GB) Two M.2 2230/2280 slots (Up to 2TB each) Single Drive 256 GB PCIe M.2 SSD 512 GB PCIe M.2 SSD 1 TB PCIe M.2 SSD 2 TB PCIe M.2 SSD RAID-0 512GB (2x256 PCIe M.2 SSD) RAID0 1TB (2x 512 PCIe M.2 SSD) RAID0 2TB (2x 1TB PCIe M.2 SSD) RAID0 4TB (2x 2TB PCIe M.2 SSD) RAID0 RAID-0 Plus 1TB (2x 512GB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage] 2TB (2x 1TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage] 4TB (2x 2TB PCIe M.2 SSD) RAID0 [Boot] + 512GB PCIe M.2 SSD [Storage]	512GB 1TB 2TB 4TB 1 x M.2 2280 PCIe NVMe slot Models with RTX 3060/3070/3080. 2 x M.2 2280 PCIe NVMe slot Models with integrated graphics and RTX 3050 Ti. With RAID 0/1 support.

Connectivity	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Wi-Fi	Rivet Killer Wi-Fi 6 AX1650i Dual Band 2.4 GHz/5 GHz up to 2400 Mbps, WiFi 802.11a/b/g/n/ac/ax.	Intel® AX210 Wi-Fi 6E 802.11AX (2 x 2) Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.
Bluetooth	Rivet Killer Wi-Fi 6 AX1650i › Bluetooth 5.1	Bluetooth 5.2
Ethernet	Killer™ Ethernet E3100X PCI-e Gigabit ethernet controller Transfer rate: 10/100/1000/2500 Mbps	Ethernet support via optional Lenovo USB-C to Ethernet Adapter
More	-	Optional 5G supports. Qualcomm® Snapdragon™ X55 5G Modem M.2 card - RF System with embedded eSIM functionality No support

Battery	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Size	86 WHr, 6-cell smart lithium-ion with Alienware Battery Defender	90 Wh Integrated Li-Polymer battery
Battery Life	-	Up to 10.7 hours of battery life Tested with MobileMark 2018.
Power Supply	240W (19.50 VDC/12.31A)	[featurs items="135W, 170W, 230W"] slim tip (3-pin) AC adapter with RapidCharge supports.

Software	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
OS	Windows 10 Home Windows 10 Pro Upgradable to Windows 11	Windows® 10 Pro 64 Windows 10 Home 64 Windows 11 Pro 64 Windows 11 Home 64 Windows 11 DG Windows 10 Pro 64 Linux Ubuntu Linux No operating system
Built-in Apps	Alienware Command Center Supports AlienFX lighting, Game Library with auto-tune game profile functionality. Alienware Adrenalin Alienware Mobile Connect Microsoft Office 365 (30-day trial)	-

Camera & Audio	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Camera	Front-facing camera Alienware FHD (1920x1080 resolution) camera.	Front-facing camera 1080p FHD with ThinkShutter privacy cover. Windows Hello IR support (optional).
Audio	Controller: Realtek ALC3281-CG 7.1 Digital Audio out using HDMI out connection Alienware Sound Center via Alienware Command Center Speakers: 2-Way (Woofer/Tweeter) Stereo Speaker Design Includes Discrete Smart Amp Woofer technology Microphone: Digital-array microphones in the camera assembly	High Definition (HD) Audio, Realtek® ALC3306 codec Stereo speakers, 2W x2, Dolby® Atmos® Dual array microphone, far-field

Misc	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
Inking	-	Optional inking supports. Lenovo Precision Pen 2 No pen (pen sold separately) No support (non-touch display doesn't support pen input)
Sensors	Tobii Eyetracking technology (optional)	Infrared (IR) Camera (optional; required for use with Windows Hello)
Security	Wedge-shaped lock slot	Security Chip Discrete TPM 2.0, TCG certified Firmware TPM 2.0 integrated into the chipset Disabled (in some regions) Physical Locks Kensington® Nano Security Slot Fingerprint Reader Touch style fingerprint reader on the power button, match-on-chip BIOS Security Supervisor password Power-on password NVMe password Self-healing BIOS Other Security (Optional) Camera privacy shutter (Optional) IR camera for Windows Hello
Warranty	-	1-year depot service 1-year depot with 2-year system board service 1-year limited onsite service 1-year + 2-year depot service 1-year + 2-year limited onsite service 3-year (1-yr battery) depot service 3-year (1-yr battery) limited onsite service No base warranty
More	CHASIS Based on Alienware's Legend industrial design language Engineered with Alienware's Advanced Cryo-Tech Cooling technology Engineered with HyperEfficient Voltage Regulation Constructed with a Magnesium Alloy exterior shell and copper alloy thermal components	-

Key Features	Alienware M15 R4	Lenovo ThinkPad X1 Extreme Gen 4
At Glance	Released in Early 2021 16:9 FHD 15.6” 1080p 300Hz Weight 4.65 lb 2.11 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 Configurable up to 32GB 2933 MHz DDR4 Nvidia GeForce RTX 3080 8GB GDDR6	Released in Mid 2021 16:10 4K UHD+ 16” 2400p 60Hz Weight 3.99 lb 1.81 kg Up to Intel Core i9-11950H 8C/16T, 2.60 → 5.00 GHz Geekbench 5 1,581 Single Core Geekbench 5 8,450 Multi-Core With integrated Intel® UHD Graphics 32 Execution Units, 350 → 1450 MHz Upgradable up to 64GB 3200 MHz DDR4 NVIDIA GeForce RTX 3080 16GB GDDR6