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Dell XPS 15 9520 vs. Dell Precision 3551: Full specs comparison

The following is a comprehensive comparison of the Dell XPS 15 9520 and Dell Precision 3551 specifications, including details on CPU, memory, storage, battery life, display quality, and other features.

Compare With Please enter device name or part of it Dell XPS 15 9520 See at Amazon	Compare With Please enter device name or part of it Dell Precision 3551 See at Amazon

Dell XPS 15 9520 Pros

Reasons that Dell XPS 15 9520 is better than Dell Precision 3551.

2022 vs. 2020

Intel Core i9-12900HK inside Dell XPS 15 9520 has a 91% better multi-core CPU performance score than the Intel Core i9-10885H inside Dell Precision 3551.

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

Dell Precision 3551 - Intel Core i7-10875H

6,874

Dell Precision 3551 - Intel Core i9-10885H

6,788

Dell Precision 3551 - Intel Core i7-10750H

5,412

Dell Precision 3551 - Intel Xeon W-10855M

5,372

Dell Precision 3551 - Intel Core i7-10850H

5,341

Dell Precision 3551 - Intel Core i5-10400H

4,252

Dell Precision 3551 - Intel Core i5-10300H

3,747

Dell XPS 15 9520 supports a faster memory speed than the Dell Precision 3551. It supports up to 4800MHz versus 2933MHz of system memory on the Dell Precision 3551.

Memory type and speed

Dell XPS 15 9520 - DDR5

4,800 MHz

Dell Precision 3551 - DDR4

2,933 MHz

Dell Precision 3551 Pros

We couldn't find any advantages of Dell Precision 3551 over Dell XPS 15 9520.

Key Similars

Similar characteristics share between Dell XPS 15 9520 and Dell Precision 3551.

Both laptops supports up to 64GB of system memory.

Max system memory size

Dell XPS 15 9520

64 GB

Dell Precision 3551

64 GB

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

Memory	Dell XPS 15 9520	Dell Precision 3551
Slots	x2	x2
Type	DDR5	DDR4

Prices

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

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 i9-12900HK (14-CORE) 1TB PCIe SSD 32GB DDR5 RAM FHD+ Non Touch RTX 3050Ti Win 11 Pro (Renewed) By Dell $2,224.77	See at Amazon
Dell Precision 3551 Price
	Dell Precision 3551 Workstation Laptop PC Intel Core i7-10850H GHz Processor, 16GB Ram, 512GB NVMe SSD Drive, HDMI, Thunderbolt, NVIDIA Quadro P620, Windows 10 Pro (Renewed) By Dell $358.74	See at Amazon
	Dell Precision 3551 15.6" FHD Intel Core i7-10750H 2.6GHz, 16GB RAM, 512GB SSD, Windows 11 Pro 64bit, CAM, NVIDIA Quadro P620 4GB (Renewed) By Dell $718.99	See at Amazon
	Dell Precision 3551 15.6" FHD, Core i7-10750H 2.6GHz, 32GB RAM, 1TB Solid State Drive, Windows 11 Pro 64Bit, CAM, No Touch, NVIDIA Quadro P620 4GB, (Renewed) By Dell $645.00	See at Amazon

Availability	Dell XPS 15 9520	Dell Precision 3551
Released	2022	2020
Release Date	Announced on March 25, 2022.	-
Pricing	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	Starting at $939
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	2022 Dell Precision 3571 2022 Dell Precision 3570 2021 Dell Precision 3561 2021 Dell Precision 3560 2020 Dell Precision 3551 2020 Dell Precision 3550

Exterior	Dell XPS 15 9520	Dell Precision 3551
Dimensions	13.56” x 9.06” x 0.73” (344.40 x 230.10 x 18.54 mm)	14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)
Weight	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.	4.16 lbs (1.89 kg)
Colors	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	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.	Full-size backlit keyboard. 4.00” x 2.45” (101.7 mm x 55.2 mm) touchpad with 5 multi-touch gesture support.

Display	Dell XPS 15 9520	Dell Precision 3551
Size	15.6 Inches	15.6 Inches
Info	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	15.6" HD Non-Touch 1366x768 100 PPI 220 nits Anti-Glare Non-Touch 45% color gamut 15.6" FHD Non-Touch 1920x1080 141 PPI 220 nits Anti-Glare Non-Touch 45% color gamut WVA 15.6" FHD Non-Touch 1920x1080 141 PPI 300 nits Anti-Glare Non-Touch 100% sRGB WVA 15.6" FHD Touch 1920x1080 141 PPI 220 nits Anti-Glare w/Embedded Touch 45% color gamut WVA

Ports	Dell XPS 15 9520	Dell Precision 3551
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	Image Source: Dell 1 x USB Type-C with Thunderbolt™ 3 Supports USB 3.2 Gen 2 and DisplayPort 1.4. 2 x USB 3.2 Gen 1 1 x USB 3.2 Gen 1 with PowerShare 1 x HDMI 2.0b Port 1 x RJ-45 port 1 x Headset jack 1 x MicroSD-card reader 1 x SIM card slot (optional) 1 x Smart card reader (optional) 1 x Wedge-shaped lock slot 1 x DC-in

Internal Specs	Dell XPS 15 9520	Dell Precision 3551
Processor	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	10th Gen Intel® Core™ i5-10300H 4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W 10th Gen Intel® Core™ i5-10400H 4 cores, 8 threads, 2.60 → 4.60 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™ i7-10850H 6 cores, 12 threads, 2.70 → 5.10 GHz, 12MB SmartCache, 45W Intel Xeon W-10855M 6 cores, 12 threads, 2.80 → 5.10 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™ i9-10885H 8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics	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	10th Gen Intel® Core™ i5-10300H Intel® UHD Graphics 630 24 Execution Units, 350 → 1050 MHz 10th Gen Intel® Core™ i5-10400H Intel® UHD Graphics 630 24 Execution Units, 350 → 1100 MHz 10th Gen Intel® Core™ i7-10750H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz 10th Gen Intel® Core™ i7-10850H Intel® UHD Graphics 630 24 Execution Units, 350 → 1150 MHz Intel Xeon W-10855M Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i7-10875H Intel® UHD Graphics 630 24 Execution Units, 350 → 1200 MHz 10th Gen Intel® Core™ i9-10885H Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz
Memory	4 GB 8 GB 16 GB 32 GB 64 GB 4800 MHz Dual-channel DDR5 RAM. 2 x SODIMM slots.	Memory Slots 2 x DDR4 SODIMM slots Memory Configurations Speed: 2933MHz Memory Type: ECC or Non-ECC Minimum Memory: 8GB Maximum Memory: 64GB
Discrete Graphics	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	NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.
Storage	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.	Hard Drive Slots 1 x M.2 PCIe SSD slot 1 x 2.5 inches hard drive slot Hard Drive Configurations Up to 2TB M.2 NVMe PCIe SSD Up to 2TB SATA Hard Drive

Connectivity	Dell XPS 15 9520	Dell Precision 3551
Wi-Fi	Intel Killer 1675 (AX211) Dual Band 2.4GHz/5GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax	Intel AX201 Up to 2400 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) WiFi-6 (802.11ax) Bluetooth 5.1 Qualcomm QCA61x4A (DW1820) Up to 867 Mbps Dual band 2.4 GHz/5 GHz WiFi 802.11 a/b/g WiFi-4 (802.11n) WiFi-5 (802.11ac) Bluetooth 5.0
Bluetooth	Bluetooth 5.2	Bluetooth 5.0 Bluetooth 5.1
Ethernet	-	Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller

Battery	Dell XPS 15 9520	Dell Precision 3551
Size	56 Wh 3-cell "smart" lithium-ion. 86 Wh 6-cell "smart" lithium-ion.	51 Wh - 3-cell lithium-ion, ExpressCharge capable 68 Wh - 4-cell lithium-ion, ExpressCharge capable 68 Wh - 4-cell lithium-ion, Long Cycle Life 97 Wh - 6-cell lithium-ion, ExpressCharge capable
Battery Life	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.	Up to 20 hours of battery life With optional 6-cell 97 Wh battery.
Power Supply	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.	90 W power adapter 130 W USB-C power adapter

Software	Dell XPS 15 9520	Dell Precision 3551
OS	Windows 11 Home Pro	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2 Upgradable to Windows 11
Built-in Apps	Microsoft Office 30-days trial McAfee LiveSafe™ 12 Month Subscription	Microsoft Office 30-days trial

Camera & Audio	Dell XPS 15 9520	Dell Precision 3551
Camera	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.	Front-facing camera Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps. Optinal Infrared camera For Windows Hello Facial Recognition.
Audio	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	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves

Misc	Dell XPS 15 9520	Dell Precision 3551
Sensors	Ambient light sensor Windows Hello compliant fingerprint reader in the power button IR Camera	Ambient light sensor The fingerprint reader in the power button (optional) IR Camera (optional)
Security	Windows Hello with Fingerprint Sign in Enterprise-grade protection with Windows Hello face sign-in Wedge-shaped lock	Hardware Security SafeBIOS - protects from threats that attack below-the-OS. Includes Dell Off-host BIOS Verification, BIOS Resilience, BIOS Recovery, and additional BIOS Controls. SafeID - secures end-user credentials with a dedicated security chip. Additional features include the following: Trusted Platform Module (TPM) 2.07, self-encrypting storage drives (Opal, FIPS), Smart card keyboard (FIPS). Physical Security Options - Chassis lock slot support, Chassis Intrusion Switch, Lockable Cable Covers, Supply chain tamper alerts (Check regional availability) Software Security SafeGuard and Response - powered by VMware Carbon Black and Secureworks provides modern security to prevent, detect, and remediate advanced malware and cyber attacks. A suite of technologies include the following: Next-Generation Antivirus (NGAV), Endpoint Detection and Response (EDR), Threat Detection and Response (TDR), Managed Endpoint Detection and Response, Incident Management Retainer, Emergency Incident Response SafeData - protects information on devices and in the cloud.
Warranty	1 Year ProSupport with Next Business Day Onsite Service	Basic Onsite Service 12 Months, 12 Month(s)

Key Features	Dell XPS 15 9520	Dell Precision 3551
At Glance	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	Released in 2020 16:9 FHD 15.6” 1080p 60Hz Weight 4.16 lb 1.89 kg Up to Intel Core i9-10885H 8C/16T, 2.40 → 5.30 GHz Geekbench 5 1,196 Single Core Geekbench 5 6,788 Multi-Core With integrated Intel® UHD Graphics 630 24 Execution Units, 350 → 1250 MHz Upgradable up to 64GB 2933 MHz DDR4 Nvidia Quadro P620 4GB GDDR5