Lenovo IdeaPad Slim 3 Gen 8 15.6" (Core i5-13420H / 8GB RAM / 512GB) VS Samsung Galaxy Book5 15.6"

In terms of design features, the Lenovo IdeaPad Slim 3 Gen 8 and the Samsung Galaxy Book5 are completely identical across every measured spec in this group. Neither laptop offers a fanless design, a backlit keyboard, weather sealing, or a rugged build.

The absence of a backlit keyboard on both machines is worth noting for users who work in low-light environments — it is a convenience feature increasingly common even on mid-range laptops, so its omission may be a drawback depending on use case. Similarly, neither device offers any splash resistance or durability certifications, meaning both should be treated as standard consumer laptops requiring careful handling around liquids or harsh conditions.

Since every spec in this group is identical, there is no design advantage for either product based solely on the available data. This category is a complete tie, and buyers should look to other spec groups to differentiate between the two.

Both laptops share a 15.6″ panel with a 1920×1080 Full HD resolution, a 60Hz refresh rate, and an anti-reflection coating — the differing order in which the resolution is listed in the raw data is simply a formatting inconsistency, not an actual spec difference. At this screen size, 1080p delivers a pixel density that is adequate for everyday productivity and media consumption, though it won't satisfy users seeking sharper visuals for creative work.

The 60Hz refresh rate is standard for office-oriented laptops and is perfectly smooth for general use, but gamers or users accustomed to 120Hz+ displays will notice the difference. The anti-reflection coating is a genuinely useful shared feature, reducing glare in bright office or outdoor environments and improving usability across varied lighting conditions. Neither device supports touch input, which keeps both firmly in the traditional laptop category.

With every meaningful display spec being identical across both machines, this category is a complete tie. Neither the IdeaPad Slim 3 Gen 8 nor the Galaxy Book5 holds any display advantage over the other based on the available data.

The performance gap between these two laptops is substantial and cuts across every major subsystem. The Galaxy Book5 starts with a decisive RAM advantage — 16GB versus the IdeaPad's 8GB — which has immediate real-world consequences. For users who keep multiple browser tabs, office applications, and communication tools open simultaneously, 8GB can become a bottleneck, while 16GB provides comfortable headroom for multitasking and even light creative workloads. Since neither device has available memory slots for upgrades, what you buy is what you get.

The CPU story favors Samsung just as strongly. The Galaxy Book5's processor hits a 5.2GHz turbo clock speed versus 4.6GHz on the IdeaPad, and its 3nm semiconductor process is a significant leap over the IdeaPad's 10nm chip — a smaller node generally translates to better power efficiency and thermal performance at comparable or higher speeds. The Galaxy Book5 also edges ahead with 14 CPU threads versus 12, and its GPU turbo clock reaches 2100MHz compared to 1400MHz on the IdeaPad, pointing to meaningfully stronger integrated graphics throughput. Its support for DirectX 12 Ultimate (versus standard DirectX 12) further extends its graphics capability ceiling.

The shared specs — NVMe SSDs, PCIe 4, DDR5 memory, and a 512GB storage capacity — ensure a competitive baseline, but they don't close the gap. The Samsung Galaxy Book5 holds a clear and consistent performance advantage in this group across CPU, GPU, RAM, and chip architecture.

Benchmark results here reinforce the performance picture established by the raw specs. The Galaxy Book5 scores 18,555 on the PassMark multi-core test against the IdeaPad's 17,409 — a difference of roughly 6.6%. In practical terms, both scores place these laptops in a capable tier for everyday productivity, but the Galaxy Book5's lead means it handles parallelized workloads — think rendering, batch file processing, or running multiple demanding applications concurrently — with a measurable advantage.

The single-core gap is arguably more telling for day-to-day responsiveness. The Galaxy Book5 posts 3,732 versus the IdeaPad's 3,396, a nearly 10% lead. Since most common tasks — launching apps, browsing, typing, and general UI interactions — rely heavily on single-core performance, this difference is one users are more likely to feel in routine use than the multi-core gap.

The Samsung Galaxy Book5 holds a clear benchmark advantage in both single and multi-core performance. While neither laptop falls short for standard office use, the Galaxy Book5's consistent leads across both metrics confirm it as the stronger-performing machine in this comparison.

The Lenovo IdeaPad Slim 3 Gen 8 and Samsung Galaxy Book5 offer similar connectivity options, but there are some key differences. Both laptops lack USB 4.0 20Gbps and 40Gbps ports, as well as Thunderbolt 3 and Thunderbolt 4 ports. They both do feature HDMI outputs (1 on each) and USB Type-C ports, allowing for versatile connectivity with external displays and devices. Additionally, both support Wi-Fi and have external memory slots for added storage.

One difference between the two is that the Lenovo model has no RJ45 Ethernet port, while the Samsung does include one, providing wired network connectivity for users who prefer or require a stable, high-speed connection. The Lenovo also includes a VGA connector, which the Samsung does not support. Both models support AirPlay for wireless streaming, but the Lenovo offers a VGA connector, which could be helpful for connecting to older display equipment.

In summary, while both laptops share many common connectivity features like HDMI, USB Type-C, and Wi-Fi support, the Samsung Galaxy Book5 offers the advantage of an RJ45 Ethernet port, while the Lenovo IdeaPad Slim 3 Gen 8 includes the added benefit of a VGA connector. Depending on your specific connectivity needs, this difference could be significant.

The Lenovo IdeaPad Slim 3 Gen 8 and Samsung Galaxy Book5 differ in their battery specifications. The Lenovo model is equipped with a 47 Wh battery, while the Samsung has a larger 61.2 Wh battery, suggesting that the Samsung may have a longer battery life, though actual performance will depend on usage.

In terms of features, the Lenovo IdeaPad Slim 3 Gen 8 includes sleep-and-charge USB ports, allowing you to charge other devices even when the laptop is in sleep mode. The Samsung Galaxy Book5 does not have this feature, which could be a consideration for users who value this added convenience.

Neither laptop includes a MagSafe power adapter, so neither benefits from the magnetic connection that some other devices use to prevent accidental disconnections. Overall, the Lenovo offers the sleep-and-charge functionality, while the Samsung provides a larger battery, offering different advantages depending on user needs.

The Lenovo IdeaPad Slim 3 Gen 8 and Samsung Galaxy Book5 share some common features but differ in a few key areas. Both models come with stereo speakers and a 3.5 mm audio jack, providing standard audio connectivity. Neither supports ray tracing or DLSS, indicating they are not optimized for high-end gaming features. Both have front cameras and two microphones for audio input, but only the Samsung features Dolby Atmos for enhanced audio experience. The Lenovo lacks this feature, but both devices offer similar basic audio capabilities.

Another notable difference is the fingerprint scanner: the Samsung Galaxy Book5 includes one, providing an added layer of security, while the Lenovo IdeaPad Slim 3 Gen 8 does not. Both devices do not use 3D facial recognition or support voice commands, and neither has an S/PDIF Out port. Additionally, both models lack physical sensors like a gyroscope, GPS, accelerometer, and compass.

In summary, the Lenovo and Samsung models are quite similar in terms of their features, but the Samsung has a few extras like Dolby Atmos and a fingerprint scanner, which could appeal to users looking for slightly enhanced audio and security features.

The Lenovo IdeaPad Slim 3 Gen 8 and Samsung Galaxy Book5 both share several core specifications, but they differ in some key areas related to performance and thermal characteristics. Both are laptops, and neither has an unlocked CPU multiplier. The Lenovo has a clock multiplier of 21, while the Samsung is slightly lower at 20. Both systems support the NX bit, but the Lenovo runs at a higher CPU temperature of 100 °C compared to the Samsung’s 110 °C.

Both models support OpenCL 3 and OpenGL 4.6, and both come with integrated graphics. They also have two memory channels, though the Lenovo supports a maximum RAM speed of 5200 MHz, while the Samsung supports a faster maximum RAM speed of 8400 MHz.

Another difference is in the Thermal Design Power (TDP): the Lenovo’s TDP is higher at 45W, indicating it might consume more power or produce more heat under load, compared to the Samsung’s 15W TDP, which suggests it may be more power-efficient. Additionally, both laptops use big.LITTLE technology, and while the Lenovo includes a wider range of instruction sets, the Samsung includes AVX2 in its instruction set, which is not present in the Lenovo.