Dell Precision 3551 KPM1M vs Precision 3490 YPR31 Laptop Comparison

Dell Precision 3551 KPM1M and Dell Precision 3490 YPR31 are both laptops with the same Resolution (1920 x 1080), Refresh Rate (60 Hz) and Ethernet Ports (1). The main differences are in better single-core performance (+35%), better multithreading performance (+216%), CPU and CPU Cores.

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Dell Precision 3551 KPM1M	Dell Precision 3490 YPR31
Prices (Change region) Out of Stock Free shipping $999.99 Out of Stock $1,525.99 - Buy now	Prices (Change region) Out of Stock Free shipping $1,312.15 Out of Stock $1,999.99
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Brand DELL	Brand DELL
Model KPM1M	Model YPR31
Release Date 📅 August 2020	Release Date 📅 August 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews Add a product review	User reviews Add a product review
Single-Core Performance (Charts) (-35%)	Single-Core Performance (Charts) (0%)
Workstation Performance (Charts) (-216%)	Workstation Performance (Charts) (0%)
Gaming Performance (Charts) n/a	Gaming Performance (Charts) n/a
Price history View Details ►	Price history View Details ►
CPU Intel i5-10400H	CPU Intel Core Ultra 7 165H
CPU Cores 4	CPU Cores 16
CPU Clock Rate 2600 MHz	CPU Clock Rate 1400 MHz
CPU Turbo Clock Rate 4600 MHz	CPU Turbo Clock Rate 5000 MHz
RAM Size 16 GB	RAM Size 32 GB
Memory Type DDR4	Memory Type DDR5
Memory Configuration 1 x 16 GB	Memory Configuration -
GPU NVIDIA Quadro P620	GPU Intel Arc Graphics
SSD Capacity 256 GB	SSD Capacity 512 GB
SSD Type -	SSD Type PCI Express 4.0
Screen Size 15.6"	Screen Size 14"
Resolution 1920 x 1080	Resolution 1920 x 1080
Panel Type -	Panel Type IPS
Refresh Rate 60 Hz	Refresh Rate 60 Hz
Front Camera Yes	Front Camera Yes
Front Camera Resolution HD	Front Camera Resolution Full HD
Dimensions 359.1 mm x 236.2 mm x 15.0 mm	Dimensions 321.4 mm x 212 mm x 21.0 mm
Operating System Windows 10 Pro	Operating System Windows 11 Pro
Weight 1.89 Kg	Weight 1.4 Kg
Battery Capacity 68 Wh	Battery Capacity 54 Wh
USB 3.2 Gen 1 Type A Ports 3	USB 3.2 Gen 1 Type A Ports 2
USB 3.2 Gen 2 Type C Ports 1	USB 3.2 Gen 2 Type C Ports -
Thunderbolt 4 Ports -	Thunderbolt 4 Ports 2
Ethernet Ports 1	Ethernet Ports 1
Ethernet Speed 10,100,1000 Mbit/s	Ethernet Speed 10, 100, 1000 Mbit/s
HDMI Ports 1	HDMI Ports 1
HDMI Version 2.0b	HDMI Version 2.1
Fingerprint Reader Yes	Fingerprint Reader -
Wi-Fi Generation 5	Wi-Fi Generation 6E
Keyboard Backlit Yes	Keyboard Backlit Yes

Comparison and key differences summary

Reasons to buy the Dell Precision 3551 KPM1M:

24% cheaper, you can save $312.16
Bigger screen size (+1.60")
Higher battery capacity (+14 Wh)
+1 Ports USB 3.2 Gen 1 Type-A
+1 Ports USB 3.2 Gen 2 Type-C
Fingerprint Reader

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Reasons to buy the Dell Precision 3490 YPR31:

Newer Product, it was released around 5 years later
Much better single-core performance, around +35% (Intel Core Ultra 7 165H)
Monstrously better multithreading performance, around +216% (Intel Core Ultra 7 165H)
12 more cores (Intel Core Ultra 7 165H)
16 GB more RAM
More Capacity (SSD +256 GB available)
Smaller screen size (-1.60")
Lighter weight (-0.49 Kg)
Newer Wi-Fi protocol
+2 Ports Thunderbolt 4