Dell Inspiron 14 5488 Review


Among Intel’s enhanced eighth-generation Core processors, the i7-8565U designed for laptops has a conspicuous specification. Besides, its TDP is 15W and frequency up to 4.6GHz. These highlights distinguish the Core i7-8565U from other processors. Today, we will show you the all-new Dell Inspiron 14 5488 which is powered by the i7-8565U processor.


Screen 14.0-inch 1920 x 1080 IPS screen
Processor Intel Core i7-8650U 1.8 GHz (up to 4.6 GHz)
Graphics card NVIDIA GeForce MX150 2GB GDDR5
Memory 8GB DDR4 2400MHz
Storage 256GB PCIe NVMe M.2 SSD
Ports 2x USB 3.0, 1x USB 2.0, USB Type-C,1x RJ45, an HDMI, a SD card reader, 3.5mm audio/mic
Battery 42 Wh
OS Windows 10
Weight 2.6kg (without AC adapter)


top cover
This all-new laptop adopts the appearance design similar to the XPS series product. It owns a silver top cover, where its logo is placed in the center. As a whole, this laptop features a simple but elegant appearance design.
back cover
It also comes with a silver back cover. Moreover, Dell has placed three mats in a different size at the bottom.


The Inspiron 14 5488 features a display with an ultra-thin bezel on three sides. This display boasts a high screen ratio and a 178-degree wide viewing angle. It delivers better color performance and vivid video effects.
sRGB color gamut
NTSC color gamut
AdobeRGB color gamut
We use Spyder 15 Elite to test this display. According to the test results, this display’s sRGB color gamut covers 62%, NTSC color gamut covers 44%, and AdobeRGB color gamut covers 46%. With regard to its results on Spyder 15 Elite, this 14-inch display delivers a high definition image and color contrast, and it can easily handle daily use.
This laptop comes with a 2.7mm 720P camera which adopts noise reduction technology. Even under a low light situation, the laptop can provide a clear and smooth online video service.

Keyboard and Touchpad

This silver surface delivers a comfortable hand feel. The two-level backlit keyboard brings a good user experience. Even after a long-time typing, the user will not feel tired. Under a dark situation, the user can enjoy a comfortable typing process with the backlit keyboard.

The touchpad has a large size. This sensitive touchpad responds quickly. What’s more, this frosted touchpad can bring a good touch.
The power button is integrated with a fingerprint reader module. The user can unlock the display quickly with a gentle press.
power button
Expansion Port
port on the left
The Inspiron 14 5488 laptop boasts an abundant port design. The left side of the laptop provides a UB Type-C port, an HDMI, two USB 3.1 Gen 1 ports, and the 3.5mm audio/mic. Among these ports, the USB Type-C port has more functions. Except for providing higher transfer speed, this port can be connected to a display and support charging and reverse charging.
port on the right
The ports on the right include an SD card reader, USB 2.0 port, and the RJ45 port.

Performance Test

i7-8565U and MX150
The Dell Inspiron 14 5488 boasts enhanced eighth-generation Core i7-8565U processor, MX150 independent graphics, 8GB DDR4 2400MHz memory, and 256GB SSD. With high specification, the Inspiron 14 5488 has good performance among ultra-thin laptops.


The enhanced Core i7-8565U processor has four cores and eight threads. Its main frequency is 1.8GHz, which can reach up to 4.6GHz. Moreover, its TDP is 15W. On CineBench R15, the processor’s multi-core score reaches up to 653cb, and its single-core score is 179cb. According to the test result, the i7-8565U processor has excellent performance.

In addition, the i7-8565U processor’s single-core score has exceeded the standard-voltage i7-7700HQ processor’.


The laptop features a Hynix BC501 NVMe 256GB SSD. On CrystalDiskMark 6.0.0×64, this SSD’s sequential read speed reaches 1642.6MB/s, while its sequential write speed reaches 810MB/s. The test result shows that the BC501 NVMe 256GB SSD has good write and read performance.

Heat Dissipation

This ultra-thin laptop’s vent is placed on the hinge.
heat dissipation test
We use AIDA 64 to test the laptop’s heat dissipation performance. After an hour, we use a thermal imager to detect its temperature. From the picture, we can see that the highest temperature of the keyboard is 59.6℃, while the highest temperature of the back cover is 52.3℃.

Battery Life

battery life
It sports a 42Wh battery. We adjust the screen’s brightness to 80%, volume to 20%, and close the Bluetooth and dispositioning, and then play a 1080p video. After an hour, the battery’s power has dropped 11%. According to this result, we can infer that the laptop can work about 10 hours for daily use.

Memory, M.2 SSD, HDD Upgrade

internal structure
During the disassembly process, I find that the three screws near the hinge can’t be removed. After taking out other screws, the back cover is removed. Then, its internal structure can be seen.
2.5-inch SATA
This laptop reserves a place for a 2.5-inch SATA hard drive, so the user can buy a 2.5-inch SATA HDD to increase its capacity.
BC501 NVMe 256GB SSD
It features a BC501 NVMe 256GB SSD from Hynix. This M.2 SSD is near to the fan. The user can buy a 2260/2280 M.2 SSD to upgrade its capacity.
4GB DDR4 2400MHz
The laptop comes with two 4GB DDR4 2400MHz chips, and the user can change memory chips based on his demands.


As an all-new ultra-thin laptop powered by enhanced i7-8565U processor, the Dell Inspiron 14 5488 with MX150 graphics, 256GB NVMe SSD, and 8GB memory can bring the powerful user performance except for portability. One of the laptop’s highlight is its USB full-featured Type-C port. This port can provide a faster transfer speed and enable this laptop to connect other peripheral devices. As it is priced starting at $699, the Inspiron 14 5488 is highly cost-effective with regard to its high specification.

If you want to purchase a 14-inch ultra-thin laptop with a simple, elegant design, the Dell Inspiron 14 5488 will be a good choice for you.


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