Tag: Dynabook Portégé Z40L-N

  • Dynabook Portege Z40L-N SSD Throttling Issues Like Predecessor

    Dynabook Portege Z40L-N SSD Throttling Issues Like Predecessor

    Key Takeaways

    1. The Dynabook Portege Z40L-N is a lightweight 14-inch laptop, ideal for professionals on the go, but has a higher price tag.
    2. The NVMe SSD in the Portege Z40L-N experiences significant throttling, dropping from nearly 7000 MB/s to as low as 2300 MB/s during stress tests.
    3. Compared to previous models, such as the Dynabook Portégé X30L-K, the Portege Z40L-N has better initial speeds but still suffers from throttling.
    4. The lightweight design sacrifices performance, as there are no cooling solutions for the SSD, limiting high-speed performance duration.
    5. Heavier laptops, like the Dell Pro 14 Premium, tend to avoid SSD throttling issues due to better heat management.

    The Dynabook Portege Z40L-N has recently become accessible for professionals seeking a lightweight 14-inch laptop. Its ease of transport makes it a great choice for those on the go, but it does come with a higher price tag, as mentioned earlier. Sadly, to achieve the target weight of less than 1 kg, some sacrifices have been made.

    Performance Under Pressure

    According to our DiskSpd stress test results below, the Phison C-E80T001T2 PICe4 x4 NVMe SSD found in the Portege Z40L-N experiences throttling just one minute into the test. Initially, the transfer speeds can reach nearly 7000 MB/s, which is quite close to the maximum real-world performance of PCIe4 x4 SSDs. However, these speeds drop significantly to as low as 2300 MB/s shortly after.

    Comparison with Previous Models

    In comparison, the Samsung PM9A1 in the earlier 2022 Dynabook Portégé X30L-K faces even more severe throttling, with performance dipping to around 1700 MB/s during the same stress test.

    Weight vs. Performance Trade-off

    The main reason behind the throttling issue with these SSDs is the priority given to a lighter design in these Dynabook models, which comes at a price. There are no cooling solutions or heat pads available for the drives to help manage heat, meaning the SSDs can only deliver high performance for a limited time before they hit temperature limits. In contrast, heavier 14-inch laptops like the Dell Pro 14 Premium are less prone to experiencing these kinds of SSD throttling issues.

    For more detailed benchmarks and performance evaluations, users can check out our review on the Dynabook Portege Z40L-N.

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  • Dynabook Portege Z40L-N: Lightweight 14-Inch Laptop with Drawbacks

    Dynabook Portege Z40L-N: Lightweight 14-Inch Laptop with Drawbacks

    Key Takeaways

    1. Lightweight laptops, especially 14-inch variants, are easier to carry while traveling, with most weighing around 1.2 kg to 1.3 kg.
    2. The Dynabook Portege Z40L-N is notable for its low weight of only 961 g, making it the lightest in its category.
    3. Users should be aware of performance trade-offs; the Portege Z40L-N shows a performance drop of over 20% compared to other 14-inch laptops with the same processor.
    4. The smaller cooling system in the Portege Z40L-N causes it to have lower CPU performance and higher temperatures during stress tests.
    5. For those prioritizing performance in 14-inch subnotebooks, heavier models like the Dell or Lenovo are recommended over ultra-light options.

    Lightweight laptops are always easier to carry around whe traveling or on-the-go. 14-inch variants especially offer a nice mix of screen real estate and portability, with most weighing around 1.2 kg to 1.3 kg, such as the Lenovo ThinkPad X9 14 and the Dell Pro 14 Premium. However, the Dynabook Portege Z40L-N stands out because it weighs only 961 g, making it significantly lighter than other 14-inch laptops while still providing similar Core Ultra 7 processor options.

    Performance Trade-offs

    While the reduced weight is a definite plus, it’s important for users to realize that this comes with a slight dip in performance. Our comparison charts indicate that the Portege Z40L-N ranks lowest among other 14-inch laptops featuring the same Core Ultra 7 258V processor, showing a performance drop of over 20 percent on average. The smaller cooling system is mainly responsible for this; during tests like Prime95, the CPU managed to stabilize at just 2.2 GHz and a hot 82 C, in contrast to 3.4 GHz and a cooler 73 C on the Lenovo Yoga Slim 9 14 Gen 10.

    Conclusion and Recommendations

    You can find more information and benchmarks in our review of the Portege Z40L-N. Users who seek the utmost performance from their 14-inch subnotebooks might want to consider heavier alternatives like the Dell or Lenovo models instead of opting for ultra-lightweight choices like the Dynabook.

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  • Dynabook Portégé Z40L-N Launches with Detachable Battery

    Dynabook Portégé Z40L-N Launches with Detachable Battery

    Key Takeaways

    1. The Dynabook Portégé Z40L-N targets business users and features Intel’s Lunar Lake processors with two options: Core Ultra 5 226V (16 GB RAM) and Core Ultra 7 258V (32 GB RAM).

    2. It has a removable 56 Wh battery designed to extend the laptop’s lifespan and offers a sleek, lightweight design.

    3. The laptop’s build includes a magnesium-aluminum body that weighs 2.2 pounds and meets the MIL-STD-810H military standard for durability.

    4. It offers a variety of ports, WiFi 7, Bluetooth, a 14-inch 1920×1200 pixel screen, and a 5 MP IR camera for Windows Hello.

    5. Additional features include a spill-resistant keyboard, Dolby Atmos stereo speakers, a fingerprint reader, and storage options up to 2 TB. Pricing starts at $1,699 for the Core Ultra 5 model and $2,199 for the Core Ultra 7 model.

    Dynabook’s Portégé Z40L-N is now here, marking its entry as a new laptop aimed at business users and is driven by Intel’s Lunar Lake processors. There are two different setups to choose from: one comes with the Core Ultra 5 226V, and the other features the Core Ultra 7 258V. The first option is equipped with 16 GB of RAM, while the latter gives you 32 GB of RAM.

    Battery and Design Features

    A standout feature of this laptop is its removable 56 Wh battery. This design choice is meant to prolong the device’s overall lifespan since batteries usually wear down quickly over time. However, that’s not all that makes this laptop special. The Dynabook Portégé Z40L-N also boasts a sleek and lightweight design.

    Build Quality and Port Selection

    According to the specifications, the Dynabook Portégé Z40L-N has a magnesium-aluminum body that weighs in at just 2.2 pounds, and its dimensions are 312.4x224x15.9 mm. Despite its light and slim profile, the company assures that this laptop is tough enough to pass the MIL-STD-810H military standard test.

    The laptop provides a good array of ports, including:

    For connectivity, you’ll find WiFi 7 and Bluetooth. As for visuals, the Portégé Z40L-N is equipped with a 14-inch screen that has a resolution of 1920×1200 pixels. Additionally, there’s a 5 MP IR camera on the front that supports Windows Hello.

    Additional Features and Pricing

    Other notable features of the laptop include a spill-resistant keyboard, a stereo speaker system with Dolby Atmos, a fingerprint reader, and storage options that go up to 2 TB (1 TB Crucial P310 currently priced at $64.99 on Amazon). The starting price for the Core Ultra 5 226V model is $1,699, while the higher-end Core Ultra 7 258V variant begins at $2,199. More details can be found in the spec sheets linked below.

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    Dynabook Portégé Z40L-N Launches with Detachable BatteryDynabook Portégé Z40L-N Launches with Detachable Battery
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