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Lenovo ThinkPad X1 Extreme Gen 4 vs. Dell XPS 15 9520: Full specs comparison

The following is a comprehensive comparison of the Lenovo ThinkPad X1 Extreme Gen 4 and Dell XPS 15 9520 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Lenovo ThinkPad X1 Extreme Gen 4 See at Amazon	Compare With Please enter device name or part of it Dell XPS 15 9520 See at Amazon

Lenovo ThinkPad X1 Extreme Gen 4 Pros

We couldn't find any advantages of Lenovo ThinkPad X1 Extreme Gen 4 over Dell XPS 15 9520.

Dell XPS 15 9520 Pros

Reasons that Dell XPS 15 9520 is better than Lenovo ThinkPad X1 Extreme Gen 4.

2022 vs. 2021

Intel Core i9-12900HK inside Dell XPS 15 9520 has a 53% better multi-core CPU performance score than the Intel Core i9-11950H inside Lenovo ThinkPad X1 Extreme Gen 4.

Geekbench 5 multi-core score

Dell XPS 15 9520 - Intel Core i9-12900HK

13,006

Dell XPS 15 9520 - Intel Core i7-12700H

11,774

Dell XPS 15 9520 - Intel Core i5-12500H

9,293

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

Dell XPS 15 9520 supports a faster memory speed than the Lenovo ThinkPad X1 Extreme Gen 4. It supports up to 4800MHz versus 3200MHz of system memory on the Lenovo ThinkPad X1 Extreme Gen 4.

Memory type and speed

Dell XPS 15 9520 - DDR5

4,800 MHz

Lenovo ThinkPad X1 Extreme Gen 4 - DDR4

3,200 MHz

Key Similars

Similar characteristics share between Lenovo ThinkPad X1 Extreme Gen 4 and Dell XPS 15 9520.

Both laptops supports up to 64GB of system memory.

Max system memory size

Lenovo ThinkPad X1 Extreme Gen 4

64 GB

Dell XPS 15 9520

64 GB

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

Memory	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Slots	x2	x2
Type	DDR4	DDR5

Prices

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

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 20Y50011US 16" Notebook - WQUXGA - 3840 x 2400 - Intel Core i7 11th Gen i7-11850H Octa-core (8 Core) 2.50 GHz - 16 GB RAM - 512 GB SSD - Black Weave By Lenovo $1,399.00	See at Amazon
Dell XPS 15 9520 Price
	Dell XPS 15 9520 15.6" FHD+ (Intel 12th Gen 14-Core i7-12700H (Beat i9-11980HK), 64GB DDR5 RAM, 2TB PCIe SSD, RTX 3050) Business Laptop, Backlit, Fingerprint, Thunderbolt 4, Webcam, Win 11 Pro By Dell $1,999.99	See at Amazon
	DELL XPS 15 9520 15.6" Laptop Intel Core i7-12700H(14-Core) 1TB PCIe SSD 32GB RAM FHD+ (1920x1200) 500 Nit RTX 3050 Windows 11 PRO By Dell $1,769.00 $2,029.00 13% OFF	See at Amazon
	Dell XPS 15 9520 (Latest Model) Intel 12th Gen Core i7-12700H (14-CORE) 1TB PCIe SSD 32GB DDR5 RAM FHD+ Non Touch RTX 3050 Win 11 Pro (Renewed) By Dell $2,362.99	See at Amazon

Availability	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Released	2021	2022
Release Date	Announced on June 23, 2021 (MWC 2021). Available starting August 2021.	Announced on March 25, 2022.
Pricing	Starting at €2,099	Windows 11 Home $1,439 i5-12500H, 8GB, 512GB, Intel UHD, FHD+ Non-touch Windows 11 Pro $1,499 i5-12500H, 8GB, 512GB, Intel UHD, FHD+ Non-touch $1,599 i5-12500H, 16GB, 512GB, Intel Iris Xe, FHD+ Non-touch $1,949 i7-12700H, 16GB, 512GB, RTX 3050, FHD+ Non-touch $2,049 i7-12700H, 16GB, 512GB, RTX 3050 Ti, FHD+ Non-touch $2,349 i7-12700H, 16GB, 512GB, RTX 3050 Ti, 4K UHD+ Touch $2,399 i9-12900HK, 16GB, 512GB, RTX 3050 Ti, FHD+ Touch $2,699 i9-12900HK, 16GB, 512GB, RTX 3050 Ti, 3.5K OLED Touch
Applicable Models	Lenovo ThinkPad X1 Extreme Gen 4	-
Generations	-	2022 Dell XPS 15 9520 2021 Dell XPS 15 9510 2020 Dell XPS 15 9500 2019 Dell XPS 15 7590 2018 Dell XPS 15 9570 2017 Dell XPS 15 9560 2015 Dell XPS 15 9550

Exterior	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Dimensions	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.	13.56” x 9.06” x 0.73” (344.40 x 230.10 x 18.54 mm)
Weight	3.99 lbs (1.81 kg ) Non-touch models. 4.1 lbs (1.86 kg) Touch models.	4.06 lb (1.84 kg) Non-touch with 56Wh. 4.22 lb (1.92 kg) Non-touch with 86Wh. 4.31 lb (1.96 kg) OLED touch with 86Wh. 4.62 lb (2.10 kg) 4K+ touch with 86Wh.
Colors	Black	Platinum Silver exterior Black interior CNC machined aluminum in platinum silver with carbon fiber composite palm rest in black Edge-to-edge Corning® Gorilla® Glass 6 on the touch panel
Keyboard and Trackpad	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)	Full size, backlit chiclet keyboard. Built-in Fingerprint Reader. On power button. 5.94 x 3.54 in (150.90 mm x 90 mm) touchpad with multi-touch gesture support.

Display	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Size	16 Inches	15.6 Inches
Info	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.	15.6” FHD+ Nontouch 1920 x 1200 145 PPI 500 nits 16:10 100% sRGB 1650:1 60Hz Dolby Vision™️ Eyesafe®️ Anti-glare WVA 4.41 W 15.6” 3.5K OLED Touch 3456 x 2160 261 PPI 400 nits 16:10 100% DCI-P3 SDR (80000:1) HDR(124000:1) 60Hz DisplayHDR™️ 500TB Dolby Vision™️ Eyesafe®️ Anti-glare WVA 8.74 W 15.6” 4K UHD+ Touch 3840 x 2400 290 PPI 500 nits 16:10 100% AdobeRGB 94% DCI-P3 1600:1 60Hz DisplayHDR™️ 400 Dolby Vision™️ Eyesafe®️ Anti-glare WVA 10.4 W

Ports	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
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.	Image Source: Dell Left (3) 2 x Thunderbolt 4 40 Gpbs, USB 4.0 (40 Gbps), DisplayPort, Power Delivery 1 x lock slot Right (3) 1 x USB-C USB 3.2 Gen 2 (10 Gbps), DisplayPort, Power Delivery 1 x full-size SD card slot 1 x headphone jack Headphone/Microphone

Internal Specs	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Processor	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	12th Gen Intel® Core™ i5-12500H 12 cores, 16 threads, 2.50 → 4.50 GHz, 18MB SmartCache, 45W 12th Gen Intel® Core™ i7-12700H 14 cores, 20 threads, 2.30 → 4.70 GHz, 24MB SmartCache, 45W 12th Gen Intel® Core™ i9-12900HK 14 cores, 20 threads, 2.50 → 5.00 GHz, 24MB SmartCache, 45W
Integrated Graphics	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	12th Gen Intel® Core™ i5-12500H Intel® Iris® Xe Graphics 80 Execution Units, 400 → 1300 MHz 12th Gen Intel® Core™ i7-12700H Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1400 MHz 12th Gen Intel® Core™ i9-12900HK Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1450 MHz
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	4 GB 8 GB 16 GB 32 GB 64 GB 4800 MHz Dual-channel DDR5 RAM. 2 x SODIMM slots.
Discrete Graphics	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.	NVIDIA® GeForce RTX™ 3050 Ampere Architecture 4GB GDDR6 128-bit 2304 CUDA Cores 40W NVIDIA® GeForce RTX™ 3050 Ti Ampere Architecture 4GB GDDR6 128-bit 2560 CUDA Cores 45W
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.	256 GB 512 GB 1 TB 2TB 4TB 8TB PCIe Gen 4 x4 NVMe SSD. Up to 64Gbps. Storage slots: 2 x M.2 2230/2280 slots.

Connectivity	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Wi-Fi	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.	Intel Killer 1675 (AX211) Dual Band 2.4GHz/5GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.2	Bluetooth 5.2
Ethernet	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	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Size	90 Wh Integrated Li-Polymer battery	56 Wh 3-cell "smart" lithium-ion. 86 Wh 6-cell "smart" lithium-ion.
Battery Life	Up to 10.7 hours of battery life Tested with MobileMark 2018.	13 hours 20 minutes On a FHD+ with 86Wh model. 9 hours 13 minutes On a OLED 3.5K with 86Wh model. 8 hours 42 minutes On a 4K UHD+ with 86Wh model.
Power Supply	[featurs items="135W, 170W, 230W"] slim tip (3-pin) AC adapter with RapidCharge supports.	90 W USB Type-C power adapter Power rated at 5VDC/3A, 9VDc/3A, 15VDC/3A, 20VDC/4.5A. 130 W USB Type-C power adapter Power rated at 5VDC/1A, 20VDC/6.5A.

Software	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
OS	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	Windows 11 Home Pro
Built-in Apps	-	Microsoft Office 30-days trial McAfee LiveSafe™ 12 Month Subscription

Camera & Audio	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Camera	Front-facing camera 1080p FHD with ThinkShutter privacy cover. Windows Hello IR support (optional).	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps. Infrared camera 576 x 360 (VGA) at 30 fps for Windows Hello Facial Recognition.
Audio	High Definition (HD) Audio, Realtek® ALC3306 codec Stereo speakers, 2W x2, Dolby® Atmos® Dual array microphone, far-field	Realtek ALC3281-CG Studio quality tuning with Waves MaxxAudio® Pro and Waves Nx® 3D audio Quad-speaker design with 2.5W x2 woofers and 1.5W x2 tweeters = 8W total peak output Dual microphone array optimized with Waves MaxxVoice supporting VoIP - Microsoft Cortana capable

Misc	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
Inking	Optional inking supports. Lenovo Precision Pen 2 No pen (pen sold separately) No support (non-touch display doesn't support pen input)	-
Sensors	Infrared (IR) Camera (optional; required for use with Windows Hello)	Ambient light sensor Windows Hello compliant fingerprint reader in the power button IR Camera
Security	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	Windows Hello with Fingerprint Sign in Enterprise-grade protection with Windows Hello face sign-in Wedge-shaped lock
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	1 Year ProSupport with Next Business Day Onsite Service

Key Features	Lenovo ThinkPad X1 Extreme Gen 4	Dell XPS 15 9520
At Glance	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	Released in Early 2022 16:10 3.5K 15.6” 2160p OLED Weight 4.06 lb 1.84 kg Up to Intel Core i9-12900HK 14C/20T, 2.50 → 5.00 GHz Geekbench 5 1,798 Single Core Geekbench 5 13,006 Multi-Core With integrated Intel® Iris® Xe Graphics 96 Execution Units, 400 → 1450 MHz Upgradable up to 64GB 4800 MHz DDR5 Nvidia GeForce RTX 3050Ti 4GB GDDR6 45W TGP Starting at $1,439 i5-12500H, 8GB, 512GB Up to 13 Hours Battery Life Built-in Facial Recognition Built-in Fingerprint Reader Featuring Waves Nx® 3D 2 Woofers + 2 Tweeters Supports Dell Power Manager Controls fan, battery life, & performance