Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch Comparison

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Lenovo IdeaPad Slim 3i 15 , Gen 10

15.3 inches | March 2025

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Samsung Galaxy Book 2 Pro 15.6-inch

15.6 inches | February 2022

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Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch Comparison Overview

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In this review, we will be comparing IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch, two laptops from Lenovo and Samsung. Lenovo IdeaPad Slim 3i 15 , Gen 10 was introduced to market in March 2025 and Samsung Galaxy Book 2 Pro 15.6-inch was launched in February 2022. As you can see, Galaxy Book 2 Pro 15.6-inch is 3 years older than IdeaPad Slim 3i 15 , Gen 10. Let's see if this age difference between two laptops makes a big difference.

Click for Available Configurations of the Laptops

Here is a brief look at the main features of Lenovo IdeaPad Slim 3i 15 , Gen 10 and Samsung Galaxy Book 2 Pro 15.6-inch before getting into our more detailed comparison.

Lenovo IdeaPad Slim 3i 15 , Gen 10 Key Specs

Launched in March 2025
15.3" IPS LCD, 16:9 Aspect Ratio Display
CPU: Intel Core 3 100U,Intel Core i5 13420H,Intel Core i7 13620H,Intel Core 5 210H,Intel Core 7 240H
GPU: Intel UHD Graphics (64 EU)
8GB,16GB,24GB Ram
343.4 x 239.5 x 16.9-17.9 mm (13.52 x 9.43 x 0.67-0.7 inches)
Weight: 1.49 kg (3.29 lbs)

Samsung Galaxy Book 2 Pro 15.6-inch Key Specs

Launched in February 2022
15.6" OLED, 16:9 Aspect Ratio Display
CPU: Intel Core i5 1240P
GPU: Intel Iris Xe Graphics G7 (80EU)
16GB Ram
355.4 x 225.8 x 11.7 mm (13.99 x 8.89 x 0.46 inches)
Weight: 1.11 kg (2.45 lbs)

Let's read on the following sections in order to better understand in detail how IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch compares and decide which one is better for you.

**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Reasons to choose Lenovo IdeaPad Slim 3i 15 , Gen 10 over Samsung Galaxy Book 2 Pro 15.6-inch

Side Bezel Thickness	2.3 mm vs 5 mm	2.7 mm thinner bezels
Screen PPI	144 ppi vs 141 ppi	More pixels per inch
Screen Type	Matte vs Glossy	potentially less reflections on screen
Upgradable RAM	Yes vs No	More RAM Options
WiFi Standard	v7 vs v6E	More advanced Wi-fi connectivity
Bluetooth	v5.4 vs v5.1	More advanced Bluetooth connectivity
Number of USB-A Ports	2x USB 3.2 vs 1x USB 3.2	Connect more device at the same time
Key Travel	1.3 mm vs 0.9 mm	Better typing feel

Reasons to choose Samsung Galaxy Book 2 Pro 15.6-inch over Lenovo IdeaPad Slim 3i 15 , Gen 10

Weight	1.11 kg vs 1.49 kg	0.38 kg lighter
Screen-to-Body Ratio	~83.6% vs ~78.5%	Larger screen area ratio
Display Size	15.6 inches vs 15.3 inches	Larger Screen Estate
Contrast Rate	1000000:1 vs 1200:1	more pleasing colors
Max Brightness	400 nits vs 300 nits	Brighter Screen
GPU FLOPS	1.41 TFLOPS vs 1.3 TFLOPS	Easy login with fingerprint
Fingerprint Sensor	Yes vs No	Connect more device at the same time
Number of USB-C Ports	2x USB 3.2 vs 1x USB 3.2	Support audio, data, power and video all through one single port
Thunderbolt	v4 vs No	Better HDMI connectivity
HDMI Version	2.0 vs 1.4	Fast way to input numbers
Numeric Pad	Yes vs No	Easily see the keys under low light
Keyboard Backlight	Yes vs No

Common Strengths of Samsung Galaxy Book 2 Pro 15.6-inch and Lenovo IdeaPad Slim 3i 15 , Gen 10

Launch Dates	March 2025 vs February 2022	Both laptops are recent models
Fast Charging Support	Yes vs Yes	Charge the battery in a shorter time
RAM Type	PCI-E Gen 4.0 (4x) vs PCI-E Gen 4.0 (4x)	Fast RAM type
Upgradable Storage	Yes vs Yes	Option to increase the Storage size
SSD Type	NVMe vs NVMe	Faster Data Transfers
Dolby Atmos Support	Yes vs Yes	3D Surround Sound Support
HDMI Output	1x HDMI 1.4 vs 1x HDMI 1.4	Connect to External Displays via HDMI cable
VGA Output	No vs No	Connect to External Displays via VGA cable
Built-in SD Card Reader	Yes vs Yes	Read & Write SD Cards

Common Weaknesses of Samsung Galaxy Book 2 Pro 15.6-inch and Lenovo IdeaPad Slim 3i 15 , Gen 10

Touchscreen Capability	No vs No	No Touchscreen Capability

Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch: Physical Specs Comparison

In this section, we will be comparing the physical specifications and body features of the Lenovo IdeaPad Slim 3i 15 , Gen 10 and the Samsung Galaxy Book 2 Pro 15.6-inch.

Physical Specs
Weight	1.49 kg (3.29 lbs)	1.11 kg (2.45 lbs)
Surface Area	822 cm2 (127.5 inches2)	802 cm2 (124.4 inches2)
Screen to Surface Ratio	~78.5%	~83.6%
Side Bezel Thickness	~2.3 mm	~5 mm
Weight per Inch of Screen	0.10 kg/inch	0.07 kg/inch
	0.22 lbs/inch	0.154 lbs/inch
Colors	Gray, Blue, Green	Silver, Gray

Comparison of the Lenovo IdeaPad Slim 3i 15 , Gen 10 and the Samsung Galaxy Book 2 Pro 15.6-inch External Dimensions

Weight

IdeaPad Slim 3i 15 , Gen 10 weighs 1.49 kg (3.29 lbs), whereas the Galaxy Book 2 Pro 15.6-inch weighs 1.11 kg (2.45 lbs). There is a notable difference in weight between these two laptops. However, it's important to consider that comparing their weights directly may not provide a complete picture since they also have different display sizes.

Weight Comparison

Displays size 15.0-15.9 inches

Lenovo IdeaPad Slim 3i 15 , Gen 10

Samsung Galaxy Book 2 Pro 15.6-inch

Min

Average

Max

Thickness Comparison

Displays size 15.0-15.9 inches

Lenovo IdeaPad Slim 3i 15 , Gen 10

Samsung Galaxy Book 2 Pro 15.6-inch

Min

Average

Max

Another value that we use for comparing the weights of the laptops is the Weight per Inch of Screen, which is calculated by dividing the total weight of the model with its usable diagonal screen size. This value for the Lenovo IdeaPad Slim 3i 15 , Gen 10 is 0.10 kg/inch.In comparison, this value for the Samsung Galaxy Book 2 Pro 15.6-inch is 0.07 kg/inch.Here are some of the best performing laptops in this area:

Microsoft Surface Go 4: 0.05 kg/inch
LG Gram SuperSlim 15.6 2023: 0.06 kg/inch
Asus ProArt PZ13 HT5306: 0.06 kg/inch
Asus Zenbook A14 UX3407: 0.06 kg/inch
Microsoft Surface Pro 12: 0.06 kg/inch
Dell Latitude 7330: 0.07 kg/inch
Lenovo ThinkPad X1 Nano Gen 2: 0.07 kg/inch
LG Gram 14 2022: 0.07 kg/inch

Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch: Internals (CPU, GPU, RAM, Battery, SSD, etc.) Comparison

CPU Comparison

CPU Model	Intel Core 3 100U Intel Core i5 13420H Intel Core i7 13620H Intel Core 5 210H Intel Core 7 240H	Intel Core i5 1240P Intel Core i7 1260P
Base Frequency	1.2 GHz	1.7 GHz
Turbo Frequency	4.7 GHz	4.4 GHz
Number of Cores	6 (2P + 4E)	12
Number of Threads	8	16
L3 Cache	10 MB	12 MB
Integrated GPU	Intel UHD Graphics (64 EU)	Intel Iris Xe Graphics (80EU)
CPU Fabrication Process	10 nm	10 nm

Above you can see the CPU options and the CineBench and GeekBench test scores for both laptops, which gives an idea about what kind of performance difference you may experience between the Lenovo IdeaPad Slim 3i 15 , Gen 10 and Samsung Galaxy Book 2 Pro 15.6-inch.

You may also read reviews of latest laptops with the same CPU ( Intel Core i5 1240P ) and compare them:

GPU Comparison

GPU Model	Intel UHD Graphics (64 EU)	Intel Iris Xe Graphics G7 (80EU)
Base Clock Frequency	300 MHz	300 MHz
Boost CLock Frequency	1250 MHz	1100 MHz
TGP (Total Graphics Power)	15 W	15 W
Type	Integrated	Integrated
FLOPS	1.3 TFLOPS	1,408 GFLOPS
Memory Size	System Shared	System Shared
Memory Type	DDR5	System Shared
Memory Speed	4.8 Gbps	System Shared
Shading Units Cores	512	640
TMUs	32	40
ROPs	16	20

GPU is as critical as the CPU for graphic heavy applications and the table above gives a picture of how the two GPU compares. FLOPS is a measure of a GPU's performance based on the number of floating-point arithmetic calculations that the processor can perform within a second. Lenovo IdeaPad Slim 3i 15 , Gen 10 has a FLOPS value of 1.3 TFLOPS whereas the Samsung Galaxy Book 2 Pro 15.6-inch ' has a FLOPS value of 1.41 TFLOPS. If graphical performance of the laptop is important for your use type, the Samsung Galaxy Book 2 Pro 15.6-inch may be the better choice between these two setups.

RAM Comparison

RAM	8GB 16GB 24GB	16GB 32GB
Memory Bus	1x8 GB	2x8 GB
RAM Clock	4800 MHz	5200 MHz
RAM Type	DDR5	LPDDR5
Upgradable	Yes	No
Max RAM Size	24 GB
Total Slots	1
Memory Bus	PCI-E Gen 4.0 (4x)	PCI-E Gen 4.0 (4x)

The Galaxy Book 2 Pro 15.6-inch provides a larger RAM capacity of 16 GB, which allows for smoother multitasking and improved performance in memory-demanding tasks compared to the IdeaPad Slim 3i 15 , Gen 10's RAM capacity of 8 GB.

LOCAL LLM Compatibility Evaluation

This quick guide shows what types of large language models (LLMs) each of these laptops could support, based on their respective hardware specifications. It's meant to help you compare their suitability for running AI models locally.

LLM Category	Lenovo IdeaPad Slim 3i (15", Gen 10)	Samsung Galaxy Book 2 Pro (15.6”)
Small Models(1-3B):Examples: Phi-2, Qwen-1.8B	✔ Run smoothly.	✔ Run smoothly.
Medium Models(7-8B):Examples: Mistral-7B, Qwen-7B	✔ Good performance.	✔ Good performance.
Large Models(13-30B):Examples: Mixtral, Qwen-14B	✖ Not supported.	✖ Not supported.
Extra-Large Models(65B+):Examples: LLaMA2-70B, Qwen1.5-72B	✖ Not supported on most systems. Requires high-end GPU or advanced setup.	✖ Not supported on most systems. Requires high-end GPU or advanced setup.

Note: Optimized (e.g., 4-bit) models may run on limited hardware. Performance depends on runtime and setup.

📌 MoE Models: Some models like Mixtral 8x7B and Qwen3-30B-A3B use a Mixture of Experts (MoE) design, activating only part of the model during inference. This means they can often run efficiently on laptops with 12–16 GB of VRAM when quantized.

BATTERY

BATTERY	50 Wh 60 Wh	67 Wh
Battery Type	Li-Po	Li-Ion
Replaceable	No	No
Fast Charging	Yes	No
Charging Port Position	Left	Left
Charge Power	65 W	65 W

On the other hand, the Galaxy Book 2 Pro 15.6-inch features a higher battery capacity of 67 Wh, delivering longer usage time compared to the IdeaPad Slim 3i 15 , Gen 10's 50 Wh.

Battery Comparison

Displays size 15.0-15.9 inches

Lenovo IdeaPad Slim 3i 15 , Gen 10

Samsung Galaxy Book 2 Pro 15.6-inch

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Average

Max

STORAGE
Both laptops, the IdeaPad Slim 3i 15 , Gen 10 and the Galaxy Book 2 Pro 15.6-inch have similar max. storage capacities of 1 TB, allowing for ample space to store files and applications.

Storage Options	256 GB, 512 GB, 1 TB	512 GB, 1 TB
Upgradable	Yes	Yes
Total Slots	2	2
Storage type	SSD (M2)	SSD (M2)
NVMe	Yes	Yes

If your budget allows, we recommend opting for the largest possible disk size, considering the potential increase in storage capacity needs in the future. However, please keep in mind the question 'What will the laptop be used for?' when making this decision. Of course, you can later upgrade the hard disk capacity by getting a larger disk. However, if your laptop has only one disk slot, it may not be as straightforward as a RAM upgrade, where you simply add or replace a module, as moving or cloning files to a new disk may be necessary.

Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch: Display Comparison

The display is an essential aspect to consider when comparing the Lenovo IdeaPad Slim 3i 15 , Gen 10 and Samsung Galaxy Book 2 Pro 15.6-inch since its is the component that you interact the most and significantly impact the experience.

Screen Area and Dimensions

Now let's look at the comparison of the actual display areas of both laptops below, keeping the bezels around the screens out of the equation. IdeaPad Slim 3i 15 , Gen 10 has a display size of 15.3".On the other hand, Galaxy Book 2 Pro 15.6-inch has a larger15.6" display.The total usable screen area of the IdeaPad Slim 3i 15 , Gen 10 is 645cm² / 100inch² whereas the Galaxy Book 2 Pro 15.6-inch's total usable screen area is 670cm² / 104inch².

PPI (Pixels per Inch)
Additionally, the IdeaPad Slim 3i 15 , Gen 10 features a higher pixel density with 144 pixels per inch (PPI), ensuring sharper image details.

Screen PPI (Pixels Per Inch) Comparison

Displays size 15.0-15.9 inches

Lenovo IdeaPad Slim 3i 15 , Gen 10

Samsung Galaxy Book 2 Pro 15.6-inch

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Average

Max

Refresh Rate
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch offer the same refresh rate of 60 Hz.

Brightness
The Galaxy Book 2 Pro 15.6-inch offers a higher maximum brightness of 400 nits, delivering a brighter screen.

Brightness Comparison

Displays size 15.0-15.9 inches

Lenovo IdeaPad Slim 3i 15 , Gen 10

Samsung Galaxy Book 2 Pro 15.6-inch

Min

Average

Max

Lenovo IdeaPad Slim 3i 15 , Gen 10 vs Samsung Galaxy Book 2 Pro 15.6-inch Connectivity Comparison

In terms of connectivity,

Wifi
IdeaPad Slim 3i 15 , Gen 10 features a more advanced Wi-Fi standard v7, providing faster and more reliable wireless connections compared to Galaxy Book 2 Pro 15.6-inch (v6E).

Below, you'll find a Wi-Fi Versions Table, along with their release dates and speeds, to provide a brief overview of its development.

Wi-Fi Versions and Speeds

Standard	Speed	Release Date	Network	Frequency Bands (GHz)
Wi-Fi 7	up to 40 Gbps (5 GB/s)	2023	802.11be	2.4, 5, 6
Wi-Fi 6E	up to 9.6 Gbps (1.2 GB/s)	2020	802.11ax	2.4, 5, 6
Wi-Fi 6	up to 9.6 Gbps (1.2 GB/s)	2019	802.11ax	2.4, 5
Wi-Fi 5	up to 6.93 Gbps (866.25 MB/s)	2014	802.11ac	2.4, 5
Wi-Fi 4	up to 600 Mbps (75 MB/s)	2009	802.11n	2.4, 5

* Please note that the provided transfer rates are maximum theoretical values, and real-life performance may vary based on environmental factors.

USB
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch have USB-A ports. IdeaPad Slim 3i 15 , Gen 10 has 2x USB 3.2 USB-A ports, while Galaxy Book 2 Pro 15.6-inch has 1x USB 3.2 USB-A ports.
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch have USB Type-C ports. IdeaPad Slim 3i 15 , Gen 10 has 1x USB 3.2 USB Type-C ports, while Galaxy Book 2 Pro 15.6-inch has 2x USB 3.2 USB Type-C ports.

Below, you'll find a table of USB ports, along with their release dates and speeds.
To mitigate the confusion caused by generation names, the USB Implementers Forum (USB-IF) suggests using marketing names like USB 5Gbps, USB 10Gbps, and so forth, based on their respective transfer rates.

USB Type and Speeds

USB Type	Version	Speed	Date	Other Features/Explanations
USB4	Gen 4 (2.0)	80 Gbps	2022	Also known as USB 80Gbps
USB4	Gen 3×2	40 Gbps	2019	Also known as USB 40Gbps
USB 3.2	3.2 Gen 2x2	20 Gbps	2019	Double the data transfer rates of Gen 2
USB 3.2	3.2 Gen 2	10 Gbps	2017	Previously known as USB 3.1
USB 3.2	3.2 Gen 1	5 Gbps	2017	Previously known as USB 3.0
USB 3.1	3.1 Gen 2	10 Gbps	2013	Faster data transfer rates
USB 3.0	3.1 Gen 1	5 Gbps	2010	SuperSpeed USB, improved data transfer rates
USB 2.0	2.0	480 Mbps	2000	High-speed data transfer
USB 1.0	1.0	1.5 Mbps	1996	Original USB standard

Thunderbolt
Galaxy Book 2 Pro 15.6-inch is equipped with Thunderbolt 4 port. IdeaPad Slim 3i 15 , Gen 10 does not have Thunderbolt port.

HDMI
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch feature an HDMI port. IdeaPad Slim 3i 15 , Gen 10 offers 1x HDMI 1.4, while Galaxy Book 2 Pro 15.6-inch offers 1x HDMI 2.0.

Below, you'll find a comparison table detailing different HDMI versions, including their bandwidth, color depth, maximum resolution, and release dates. This information can be helpful in understanding the capabilities of each HDMI version and choosing the most suitable one for your needs.

HDMI Comparison Table

HDMI Version	Maximum Resolution	Bandwidth (Gbps)	Color Depth (bits)	Release Date
HDMI 2.1-2.1b	7680 x 4320 *(8K)* @ 60p 3840 x 2160 *(4K)* @ 120p	48.0	48	2017
HDMI 2.0-2.0b	3840 x 2160 *(4K)* @ 60p	18.0	48	2013
HDMI 1.4-1.4b	3840 x 2160 *(4K)* @ 30p	10.2	48	2009
HDMI 1.3-1.3a	2560 x 1440 @ 60p	10.2	48	2006
HDMI 1.0-1.2a	1920 x 1200 @ 60p	4.95	24	2002

* Please note that the provided resolution values represent the maximum supported resolution, and actual display quality may depend on other factors such as source content and connected devices.

SD Card Reader
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch come with an SD Card Reader for easy access to memory cards.

Audio Jack
Both IdeaPad Slim 3i 15 , Gen 10 and Galaxy Book 2 Pro 15.6-inch are equipped with a 3.5mm Audio Jack, providing seamless connection to headphones and speakers.

To summarize the connectivity and ports details, please refer to the table below to see them listed.

Connectivity and Ports
WiFi Standard (latest: v7)	v7	v6E
Bluetooth (latest: v5.4)	v5.4	v5.1
USB-A (latest: 3.2)	2x USB 3.2	1x USB 3.2
USB Type-C (latest: USB4 2.0)	1x USB 3.2	2x USB 3.2
Thunderbolt (latest: 5)	No	Thunderbolt 4
HDMI (latest: 2.1)	1x HDMI 1.4	1x HDMI 2.0
Display Port (latest: v2.0)	No	No
VGA	No	No
Fingerprint Sensor	No	Yes
Optical Drive	No	No
Audio Jack 3.5mm	Yes	Yes
Ethernet RJ45	No	No
SD CardReader	Yes	Yes
Proprietary Charging Port	No	No