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Comparison Xiaomi Mi Book Air 13.3 [i5 8/256GB/MX150 Silver] vs Lenovo Ideapad 320S 13 [320S-13IKB 81AK00ALRA]

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Xiaomi Mi Book Air 13.3 (i5 8/256GB/MX150 Silver)
Lenovo Ideapad 320S 13 (320S-13IKB 81AK00ALRA)
Xiaomi Mi Book Air 13.3 [i5 8/256GB/MX150 Silver]Lenovo Ideapad 320S 13 [320S-13IKB 81AK00ALRA]
Outdated ProductOutdated Product
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Main
Discrete graphics card. USB type C. Fast charging.
Typeultrabookultrabook
Screen
Screen size13.3 "13.3 "
Screen typeIPSIPS
Surface treatmentglossanti-glare
Screen resolution1920x1080 (16:9)1920x1080 (16:9)
Refresh rate60 Hz60 Hz
Brightness330 nt300 nt
Contrast1280 :11320 :1
CPU
SeriesCore i5Core i5
Model7200U8250U
Processor cores24
Total threads4
CPU speed2.5 GHz1.6 GHz
TurboBoost / TurboCore frequency3.1 GHz3.4 GHz
3DMark064354 score(s)6063 score(s)
Passmark CPU Mark4666 score(s)7564 score(s)
SuperPI 1M12.32 с11.07 с
RAM
RAM8 GB8 GB
RAM typeDDR4DDR4
RAM speed2133 MHz2400 MHz
Slotsbuilt-inbuilt-in
Graphics card
Graphics card typededicateddedicated
Graphics card seriesNVIDIA GeForceNVIDIA GeForce
Graphics card modelMX150MX150
Video memory2 GB2 GB
Memory typeGDDR5GDDR5
3DMark0620343 points20343 points
3DMark Vantage P14144 points14144 points
Storage
Drive typeSSDSSD M.2 NVMe
Drive capacity256 GB256 GB
Connections
Connection ports
HDMI
HDMI
Card reader
 /microSD/
USB 2.01 pc
USB 3.2 gen121 pc
USB C 3.2 gen11 pc1 pc
Alternate Mode
Wi-FiWi-Fi 5 (802.11ac)
Multimedia
Webcam1280x720 (HD)1280x720 (HD)
Camera shutter
Speakers22
Security
fingerprint scanner
 
Keyboard
Backlightwhitewhite
Key designisland typeisland type
Num block
Input devicetouchpadtouchpad
Battery
Battery capacity3166 mAh
Battery capacity40 W*h36 W*h
Battery voltage11.52 V
Operating time9 h6 h
Powered by USB-C (Power Delivery)
Fast charge
 /50% in 30 minutes/
General
Preinstalled OSWindows 10 HomeDOS
Materialaluminiumaluminium / plastic
Dimensions (WxDxT)310х211х14.8 mm307.4x211x16.9 mm
Weight1.28 kg1.2 kg
Color
Added to E-Catalogjanuary 2018december 2017

Surface treatment

Glossy. A glossy surface improves the overall picture quality: other things being equal, the picture on such a screen looks brighter and more colorful than on a matte one. On the other hand, pollution is very noticeable on such a surface, and in bright external lighting, a lot of glare appears on it, which can greatly interfere with viewing. Therefore, instead of the classic gloss, laptops are increasingly using an anti-reflective version of such a coating (see below). Nevertheless, this option still does not lose popularity: it is somewhat cheaper than the “anti-glare”, and in soft, relatively dim lighting, it can even provide a more pleasing image to the eye.

Matte. Matte finish is inexpensive and does not form glare even from fairly bright lighting. On the other hand, the picture on such a screen is noticeably dimmer than on a similar glossy display. However, this moment can be compensated by various design solutions (primarily a good margin of brightness); so this option can be found in all categories of modern laptops — from low-cost models for working with documents to top gaming configurations.

Glossy (anti-glare). A variation on the glossy finish described above, designed to reduce glare from external light sources. Such screens really glare noticeably less than traditional glossy ones (or even do not give glare at all); at the same time, in...terms of image quality, they are at least superior to matte ones. So it is this type of coating that is most popular nowadays.

Brightness

The maximum brightness that a laptop screen can provide.

The brighter the ambient light, the brighter the laptop screen should be, otherwise the image on it may be difficult to read. And vice versa: in dim ambient light, high brightness is unnecessary — it greatly burdens the eyes (however, in this case, modern laptops provide brightness control). Thus, the higher this indicator, the more versatile the screen is, the wider the range of conditions in which it can be effectively used. The downside of these benefits is an increase in price and energy consumption.

As for specific values, many modern laptops have a brightness of 250 – 300 nt and even lower. This is quite enough for working under artificial lighting of medium intensity, but in bright natural light, visibility may already be a problem. For use in sunny weather (especially outdoors), it is desirable to have a brightness margin of at least 300 – 350 nt. And in the most advanced models, this parameter can be 350 – 400 nt and even more.

Contrast

The contrast of the screen installed in the laptop.

Contrast is the largest difference in brightness between the lightest white and darkest black that can be achieved on a single screen. It is written as a fraction, for example, 560:1; while the larger the first number, the higher the contrast, the more advanced the screen is and the better the image quality can be achieved on it. This is especially noticeable with large differences in brightness within a single frame: with low contrast, individual details located in the darkest or brightest parts of the picture may be lost, increasing the contrast allows you to eliminate this phenomenon to a certain extent. The flip side of these benefits is an increase in cost.

Separately, we emphasize that in this case only static contrast is indicated — the difference provided within one frame in normal operation, at constant brightness and without the use of special technologies. For advertising purposes, some manufacturers may also provide data on the so-called dynamic contrast — it can be measured in very impressive numbers (seven-digit or more). However, you should focus primarily on static contrast — this is the basic characteristic of any display.

As for specific values, even in the most advanced screens, this indicator does not exceed 2000: 1. But in general, modern laptops have a rather low contrast ratio — it is assumed that for tasks that require more advanced image characteristics, it is more...reasonable to use an external screen (monitor or TV).

Model

The specific model of the processor installed in the laptop, or rather, the processor index within its series (see above). Knowing the full name of the processor (series and model), you can find detailed information on it (up to practical reviews) and clarify its capabilities.

Processor cores

The number of cores in the laptop CPU.

The core is a part of the CPU designed to process one thread of instructions (and sometimes more, for such models, see "Number of threads"). Nowadays, in laptops you can find dual-core, quad-core, six-core, eight-core, ten-core, 12-core, 14-core CPUs. Also note that recently configurations with different types of cores as part of a single CPU are gaining popularity. Such chips are built on a hybrid architecture that combines high performance and energy-efficient cores. They operate at different clock speeds, have different amounts of pre-installed cache memory and are designed to solve different problems. In particular, such CPUs are found in Intel CPUs (from the 12th generation) and Apple.

Theoretically, more cores means higher performance, especially in parallel computing tasks or when processing multiple resource-intensive tasks at the same time. However, in practice this is true only all else being equal – that is, with a similar microarchitecture, clock frequency, cache volumes and other key parameters. Modern CPUs can vary greatly on these parameters – in itself, a greater number of cores does not mean superiority. This is especially true for dual- and quad-core chips: a mobil...e-level CPU (for example, Snapdragon, see "CPU series") with 4 cores may well be inferior in capabilities to a dual-core desktop series chip (like Core i3 or i5, which are often used in universal laptops with the "optimal" set of specifications for different tasks). When evaluating CPUs with two or four cores, it is necessary to look, first of all, at the general set of characteristics. But the presence of six, eight or more cores is almost certainly a sign of a powerful CPU. Such equipment is typical mainly for advanced gaming and professional laptops.

Total threads

The number of threads supported by the laptop processor.

A thread is a sequence of instructions executed by a processor. Initially, each processor core was designed for one such sequence, and the number of threads was equal to the number of cores. However, in modern CPUs, multithreading technologies are increasingly being used, which allow loading each core with two instruction sequences at once. Such technologies have different names for different manufacturers, but the principle of their operation is the same: during the inevitable pauses in the execution of one of the threads, the kernel does not idle, but works with a different sequence. Accordingly, the total number of threads in such processors is twice the number of cores; such a scheme of work significantly increases productivity (although, of course, it also affects the cost).

CPU speed

The clock speed of the processor installed in the laptop (for multi-core processors, the frequency of each individual core).

Theoretically, a higher clock speed has a positive effect on performance, as it allows the processor to perform more operations per unit of time. However, in fact, the capabilities of the CPU depend on a number of other characteristics — primarily on the series to which it belongs (see above). It even happens that of the two chips, the more performant in the overall result is the slower one. With this in mind, it makes sense to compare by clock frequency only processors of the same series, and ideally, also of the same generation; and the laptop as a whole should be judged by the complex characteristics of the system, as well as by the results of tests (see below).

TurboBoost / TurboCore frequency

Processor clock speed achieved in TurboBoost or TurboCore "overclocking" mode.

Turbo Boost and Turbo Core technologies are used by different manufacturers (Intel and AMD, respectively), but they have the same principle of operation: load distribution from more loaded processor cores to less loaded ones to improve performance. The "overclocking" mode is characterized by an increased clock frequency, and it is indicated in this case.

For more information about clock speed in general, see the relevant paragraph above.

3DMark06

The result shown by the laptop processor in 3DMark06.

This test is primarily focused on testing performance in games — in particular, the ability of the processor to process advanced graphics and artificial intelligence elements. Test scores are reported as scores; the higher this number, the higher the performance of the tested chip. Good 3DMark06 results are especially important for gaming laptops.
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