Home » Laptops » Dell » Precision » 3000 Series » Dell Precision 3551 » vs. Dell XPS 15 9520

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

We thoroughly analyzed technical specifications for Dell Precision 3551 and Dell XPS 15 9520 models, including CPU, memory, storage, battery life, display quality, and other features.

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

Dell Precision 3551 Pros

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

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

Key Similars

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

Both laptops supports up to 64GB of system memory.

Max system memory size

Dell Precision 3551

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

Prices

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

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 $359.99	See at Amazon
	Dell Precision 3000 3551 Workstation Laptop (2020) \| 15.6" FHD \| Core i7 - 512GB SSD - 32GB RAM - P620 2GB \| 6 Cores @ 5.1 GHz - 10th Gen CPU Win 11 Pro (Renewed) By Dell $599.00	See at Amazon
	Precision 3551 15.6-inch Laptop - Intel Core i5 10th Gen i5-10400H - Quad Core 4.6Ghz - 512GB SSD - 32GB RAM - Nvidia Quadro P620 2GB - 1920x1080 FHD - Windows 10 Pro Carbon (Renewed) By Dell $399.49	See at Amazon
Dell XPS 15 9520 Price
	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 $1,799.99 $2,029.00 11% OFF	See at Amazon
	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" 4K (3456 x 2160) OLED Touchscreen (Intel 14-Core i7-12700H, 64GB DDR5 RAM, 2TB PCIe SSD, RTX 3050 Ti) Business Laptop, Backlit, Fingerprint, Thunderbolt 4, Win 11 Home By Dell $2,198.99	See at Amazon

Availability	Dell Precision 3551	Dell XPS 15 9520
Released	2020	2022
Release Date	-	Announced on March 25, 2022.
Pricing	Starting at $939	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
Generations	2022 Dell Precision 3571 2022 Dell Precision 3570 2021 Dell Precision 3561 2021 Dell Precision 3560 2020 Dell Precision 3551 2020 Dell Precision 3550	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	Dell Precision 3551	Dell XPS 15 9520
Size Comparison	Dell Precision 3551Dell XPS 15 9520
Dimensions	14.13” x 9.30” x 0.88 - 0.98” (359.1 mm x 236.2 mm x 22.48 - 24.92 mm)	13.56” x 9.06” x 0.73” (344.40 x 230.10 x 18.54 mm)
Weight	4.16 lbs (1.89 kg)	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	-	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 keyboard. 4.00” x 2.45” (101.7 mm x 55.2 mm) touchpad with 5 multi-touch gesture support.	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	Dell Precision 3551	Dell XPS 15 9520
Size	15.6 Inches	15.6 Inches
Info	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	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	Dell Precision 3551	Dell XPS 15 9520
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	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	Dell Precision 3551	Dell XPS 15 9520
Processor	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	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	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	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	Memory Slots 2 x DDR4 SODIMM slots Memory Configurations Speed: 2933MHz Memory Type: ECC or Non-ECC Minimum Memory: 8GB Maximum Memory: 64GB	4 GB 8 GB 16 GB 32 GB 64 GB 4800 MHz Dual-channel DDR5 RAM. 2 x SODIMM slots.
Discrete Graphics	NVIDIA Quadro P620 (Optional) Pascal Architecture, 4GB GDDR5 128-bit, 1177 → 1442 MHz, 512 CUDA Cores.	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	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	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	Dell Precision 3551	Dell XPS 15 9520
Wi-Fi	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	Intel Killer 1675 (AX211) Dual Band 2.4GHz/5GHz Up to 2400 Mbps WiFi 6 802.11a/b/g/n/ac/ax
Bluetooth	Bluetooth 5.0 Bluetooth 5.1	Bluetooth 5.2
Ethernet	Intel 1219-V/Intel 1219-LM Gigabit Ethernet controller	-

Battery	Dell Precision 3551	Dell XPS 15 9520
Size	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	56 Wh 3-cell "smart" lithium-ion. 86 Wh 6-cell "smart" lithium-ion.
Battery Life	Up to 20 hours of battery life With optional 6-cell 97 Wh battery.	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	90 W power adapter 130 W USB-C power adapter	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	Dell Precision 3551	Dell XPS 15 9520
OS	Windows 10 Home Windows 10 Pro Ubuntu 18.04 LTS RedHat 8.2 Upgradable to Windows 11	Windows 11 Home Pro
Built-in Apps	Microsoft Office 30-days trial	Microsoft Office 30-days trial McAfee LiveSafe™ 12 Month Subscription

Camera & Audio	Dell Precision 3551	Dell XPS 15 9520
Camera	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.	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	Dual integrated high-quality speakers 2W Stereo Speakers Dual integrated noise-canceling digital array microphones MaxxAudio® Pro by Waves	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	Dell Precision 3551	Dell XPS 15 9520
Sensors	Ambient light sensor The fingerprint reader in the power button (optional) IR Camera (optional)	Ambient light sensor Windows Hello compliant fingerprint reader in the power button IR Camera
Security	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.	Windows Hello with Fingerprint Sign in Enterprise-grade protection with Windows Hello face sign-in Wedge-shaped lock
Warranty	Basic Onsite Service 12 Months, 12 Month(s)	1 Year ProSupport with Next Business Day Onsite Service

Key Features	Dell Precision 3551	Dell XPS 15 9520
At Glance	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	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