Of course, in addition to industry users, Zhaoyang K2450 is also an excellent product for the general public. It has a compact body of 12.5 inches, a thickness of 19mm and a weight of 1.4kg, which is lighter than the previous generation. The all-metal body is quite solid, and fingerprint identification, APS hard disk protection and drainage splash keyboard bring us a safer and more stable experience.
In terms of hardware performance, Zhaoyang K2450 has been upgraded to the fourth-generation Intel Core processor, and its performance and power consumption have been significantly improved compared with the previous generation. Especially in terms of battery life, Zhaoyang K2450 provides three battery combinations, of which 3-cell battery is integrated in its body, and users can also insert the second 3-cell battery or 6-cell battery into the battery slot. Under the premise of greatly reducing the thickness of the fuselage, the battery can still be provided for more than 10 hour at most.
▲ Can be equipped with a second battery.
On the whole, Zhaoyang K2450 is a light notebook in the history of Zhaoyang, which is very suitable for going out. While the thickness of the fuselage is greatly reduced, it also provides mainstream hardware performance, excellent heat dissipation control, adequate interface configuration and reasonable price, which is highly recommended.
Purchase information
kind
model
E-commerce / electronic commerce
price
notebook
Zhaoyang K2450-IFI
Tmall
4599 yuan
Solid state disk
Samsung) 840EVO series 120G 2.5-inch SSD solid state drive
JD.com
629 yuan
The fuselage is smaller and lighter, and the interface is complete and uncompromising.
▲ The body shape is simple and tough.
Lenovo Zhaoyang K2450 is an upgraded product of Zhaoyang K29, focusing on lightness and portability. Its fuselage shape continues the neat and capable temperament of Zhaoyang K series, and the black metal top cover presents a matte effect.
▲ Use a countershaft.
As the thickness of the fuselage is greatly reduced, Zhaoyang K2450 adopts a brand-new sunken metal hinge, and the protective shell outside the rotating shaft is also made of metal. The maximum opening and closing angle of the screen is still 180, which not only provides users with greater freedom, but also avoids the damage caused by frequent over-opening due to insufficient opening and closing angle.
▲ The bottom of the fuselage is also made of metal.
The bottom shell of Zhaoyang K2450 fuselage is also made of metal, with cooling holes and keyboard drainage holes. However, due to the slimmer fuselage, the bottom of Zhaoyang K2450 does not provide a detachable baffle, but it is worthy of recognition that K2450 is still equipped with a detachable battery.
▲ Weight and thickness of fuselage
The biggest change of Lenovo Zhaoyang K2450 compared with the previous one lies in the thickness and weight of the fuselage. The version sent for testing this time is the version with built-in 3-cell lithium-ion polymer battery +3-cell lithium-ion polymer battery. The mobile portability of the compact fuselage with bare metal weight 1.4 1Kg and thickness of about 19mm and 12.5 inches is excellent.
▲ Interface configuration is completed.
Although the body of Zhaoyang K2450 is lighter, it is a more comprehensive experience, and it does not blindly pursue the ultimate thinness. Two USB2.0 interfaces, 1 USB3.0 interface, 1 VGA interface, 1 HDMI interface and an RJ45 network interface and card reader are set on both sides of the 19mm fuselage, although the 1 HDMI interface
Enable the new floating island keyboard with fingerprint recognition.
▲ Equipped with 12.5-inch frosted display.
Lenovo Zhaoyang K2450 still uses 12.5-inch anti-glare frosted display with a screen resolution of 1366×768, and there is no problem in daily office operation. If you want to get a wider field of vision and better display effect, you can connect a large screen display through VGA or HDMI.
▲ There is a keyboard light at the top of the screen.
The screen design of Lenovo Zhaoyang K2450 is basically the same as that of K29. The camera and keyboard lighting are provided at the top of the screen, just to reduce the thickness of the fuselage, and the protrusions at the bottom of the screen are smoothed, which is also the advantage of Zhaoyang K2450 using the sinking shaft.
▲ Use a countershaft.
▲ Enable chocolate keyboard
Lenovo Zhaoyang K2450 keyboard design is completely different from its predecessors. The independent shortcut keys such as system reset key and one-button mute key above the keyboard and a series of indicator lights are cancelled, and the whole keyboard design is more concise.
▲ Enable the islanded keyboard.
Lenovo Zhaoyang K2450 abandoned the long-key-stroke and high-touch drainage keyboard used for many years, and adopted the popular island keyboard, which has short key stroke and insufficient rebound, and the overall use feel is far from the old product.
▲ Excellent touchpad experience
▲ Metal shell
In terms of material, Zhaoyang K2450 not only uses metal for the top cover of the fuselage, but also uses metal for the keyboard surface and bottom surface, in which the keyboard surface is covered with a special coating, which has a skin-like touch.
Performance meets daily office SSD to improve running speed
◆ Hardware configuration
Lenovo zhaoyang K2450
processor
Intel 4th Generation Core i7-4500U
chip set
CPU integration
internal storage
4GB DDR3- 1600
display card
Intel HD4400 Core Chip Graphics Card
hard disc
128GB SSD
screen
12.5 inch 1366×768 resolution
wireless card
Realtek RTL8723BE
Wired network adapter
Realtek gigabit Ethernet card
price
Custom models are temporarily unavailable.
In this test, Lenovo Zhaoyang K2450 is a high-end product, equipped with the fourth-generation Intel Core i7-4500U processor, integrated HD4400 core graphics card, equipped with 4GB memory and 128GB SSD solid state drive. The hardware performance of the whole machine fully meets the requirements of daily use, and the running speed is fast.
◆ Processor performance test
In the aspect of processor performance test, we still choose CINEBENCH R 10, which uses the Cinema 4D special effects software engine developed for the film and television industry to test the multi-thread and single-thread processing ability of the processor by rendering a high-precision 3D scene.
▲ Ultra-thin laptop CPU score ranking
The fourth generation Intel Core i7-4500U processor is a CPU specially designed for ultra-thin products.
, 2 physical cores, supporting up to 4 threads, TDP 15W, main frequency 1.7GHz, and the highest working frequency. For Lenovo Zhaoyang K2450, because it has a reasonable balance between thinness and performance, K2450 is equipped with.
The performance of i7-4500U processor in CINBENCH R 10 test is higher than those products with the same CPU but thinner body, and the multithreading ability is in the upper-middle level in mainstream notebooks.
◆ Game performance test
▲3Dmark 1 1 test results
In terms of graphics cards, ultra-portable business notebooks like Lenovo Zhaoyang K2450 are all limited by the size of the fuselage, and all use core graphics cards.
Therefore, the graphics performance of its integrated HD4400 core graphics card is still far from the mainstream unique memory, but even this performance can still meet the graphics performance requirements of mainstream online games such as League of Legends and World of Warcraft.
◆PCMark7
PCMark7 is a new generation benchmark tool for Windows 7 operating system launched by Futuremark on 20 1 1. It consists of 7 different test links and 25 independent workloads, covering all aspects of daily applications such as storage, calculation, image and video processing, web browsing and games. The test results can reflect the overall performance of the tested model.
▲PCmark 7 points
Thanks to the use of the fourth-generation Core I7-4500U processor and SSD solid state drive, the Zhaoyang K2450 in this test performed well in the PCmark7 test. The total score is 4860 points, which shows that it can not only meet the needs of daily office applications, but also has excellent running speed and reaction speed, and the whole machine has high execution efficiency.
After more than 6 hours of battery life, the surface temperature of the fuselage is not high.
◆ Surface temperature of fuselage
▲ Temperature distribution on keyboard surface
On the surface temperature of the fuselage, thanks to the use of low-power processors, after 30 minutes of copying test, there is no overheating area on the keyboard surface and the bottom surface of the fuselage of Zhaoyang K2450, and the whole machine is cooler to use.
▲ Temperature distribution at the bottom of the fuselage
◆ Battery service time
▲ test results of mobilemark 2012
Lenovo Zhaoyang K2450 provides three battery combinations. A 3-cell 23.2Wh lithium-ion polymer battery is built into the fuselage, and a second 3-cell 23.2Wh lithium-ion polymer battery can also be inserted.
Zhe 6 Xin
48 watt hours
Lithium-ion polymer battery, the model of this test is
3-core +3-core combination, its MobileMark 20 12 office mode score is 376 minutes (6 hours, 16 minutes). This battery life is quite good for ultra-thin products with a weight of only1.4kg. If the battery combination scheme with larger capacity is selected, the battery life of Zhaoyang K2450 will reach 10 hour.
◆ Summary: It is suitable for office use, with high cost performance and is worth recommending.
As a light and portable business notebook, the Zhaoyang K2450 has a simple appearance and a durable metal body. The 12.5-inch body is small and portable, and the bare-metal weight of 19mm+1.4Kg is light and light. Coupled with the spill-proof keyboard, the interface is complete and the price is reasonable. I think the Zhaoyang K2450 is the most cost-effective office notebook at present.
◆ Purchase and upgrade suggestions
This test version is a high-end version of K2450, which uses Core I7-4500U processor and 128GB SSD, and the price is relatively high. It is recommended to buy a model equipped with Core i5-4200U processor, 4GB memory and 500GB hard disk, and the price is around 4500 yuan, with outstanding cost performance. If you upgrade to
SSD solid state drive, better experience.
Purchase information
kind
model
E-commerce / electronic commerce
price
notebook
Zhaoyang K2450-IFI
Tmall
4599 yuan
Solid state disk
Samsung) 840EVO series 120G 2.5-inch SSD solid state drive
JD.com
629 yuan
In particular, Zhaoyang K2450 provides 2.5-inch hard disk (7mm 2.5-inch SATA interface hard disk can be installed) and1d.
DR3 memory slot and NGFF SSD interface, if SSD SSD is upgraded, due to the current NGFF.
There are few interface SSD products.
It is recommended to remove the original 2.5-inch mechanical hard disk and replace it with a 2.5-inch 7mm thick SSD.
▲ Internal structure of fuselage
As for memory, 4GB is enough for general application. If you upgrade to 8GB, you have to remove the original 4GB. In addition, Zhaoyang K2450 is difficult to disassemble. You need to unscrew the bottom screw first, then remove the keyboard, and remove the three screws under the keyboard to open the bottom shell of the fuselage.