First of all, we should start with the structure of solid-state hard disk, which is referred to as SSD in English. It is a hard disk composed of a control unit and a storage unit. Its internal structure is very simple, consisting of flash memory chips, control chips, cache chips and other accessories distributed on PCB. Because of its simple internal structure, the data exchange inside the control chip is very fast, and the reading and writing speed of the solid-state hard disk is very fast. But the internal structure of our ordinary mechanical hard disk HDD is similar to that of magnetic tape and vinyl record. During operation, the motor drives the magnetic head to rotate at high speed. Before reading, the magnetic head first looks for the contents on the disc, and also needs to seek the track before reading, so the reading and writing speed is very slow.
Compared with mechanical hard disks, solid-state hard disks have the following advantages:
Reading and writing speed: SSD is composed of control unit and storage unit, just like our common U disk and mobile phone memory card, while the internal structure of HDD mechanical hard disk is similar to tape and vinyl record. When it runs at high speed, the magnetic head first looks for the contents on the disk before reading. Because SSD has no complicated mechanical structure, it has no seek time, so the general reading speed is about 500 MB/s. On the other hand, HDD involves a series of complicated machinery.
Anti-shock and anti-fall performance: HDD adopts traditional mechanical structure, which is composed of motor, magnetic head, magnetic disk, circuit board and other equipment. When encountering strong vibration, it is easy to dislocate the head, or damage the motor, or even scratch the disk, resulting in data damage of the whole hard disk. However, SSD has less mechanical structure, so its anti-shock and anti-fall performance is better than SSD.
Low power consumption: the logic circuit structure used by SSD is more energy-saving than the mechanical structure of HDD, so it can be installed directly without power consumption when configuring the whole machine or adding notebooks.
Noise: The logic circuit of SSD will not make noise like a circuit board, while the mechanical structure of HDD will make a lot of noise. Although the noise is not big, it will still be annoying under very quiet conditions.
At the same time, the quality of the current game map is very high, and many large games have great pressure on the hard disk. 100-200MB original mechanical hard disk reading and writing speed simply can't bear this heavy responsibility, so more and more players choose solid-state hard disks when assembling computers.
Here, we look at the data by comparing specific game tests.
Test environment: i5-6500 with GTX 1060 3G version is selected as the main test environment. Samsung 850EVO 120G SSD hard disk, the most popular hard disk at present, is compared with Seagate 1T mechanical hard disk. In terms of games, using World of Warcraft: The Legion Comes Again and GTA5 to see the improvement of PC performance by upgrading SSD.
World of Warcraft: the return of the legion
Game scene loading test:
Samsung 850EVO 120G SSD only needs 12 seconds to load the scene, while Seagate 1T HDD takes 30 seconds to load, which is obviously different.
Game framework:
As for the number of game frames, we can see that the mechanical hard disk and the solid-state hard disk are basically the same, so the reading and writing speed will not affect the number of game frames.
2.GTAV
Game scene loading test:
In terms of scene loading, Samsung 850EVO 120G SSD is still far ahead, while Seagate's 1T mechanical hard disk takes a long time.
Game framework:
The number of game frames remains the same, so SSD will only affect the reading and writing speed, and will not affect the number of frames.
Summary:
Compared with HDD, SSD doesn't have to wait too long when loading games. Although SSD will not affect the number of frames, its stable performance and ultra-high reading and writing speed can bring us a better game experience. Therefore, if the player has extra budget, it is better to start with an SSD to solve the problems of slow loading and large-scale scene switching.
Solid-state hard disk (SSD) is a hard disk composed of an array of solid-state electronic storage chips, which is composed of a control unit and a storage unit (FLASH chip and DRAM chip). Solid-state hard disk is exactly the same as ordinary hard disk in terms of interface, function and usage, and the product shape and size are also exactly the same as ordinary hard disk. Widely used in military, vehicle, industrial control, video monitoring, network monitoring, network terminals, electric power, medical care, aviation, navigation equipment and other fields.
The working temperature range of the chip is very wide, including commercial products (0~70℃) and industrial products (-40~85℃). Although the cost is high, it is gradually spreading to DIY market. Because solid-state hard disk technology is different from traditional hard disk technology, there are many emerging memory manufacturers. Manufacturers only need to buy NAND memory and cooperate with appropriate control chips to manufacture solid-state hard disks. SATA-2 interface, SATA-3 interface, SAS interface, MSATA interface, PCI-E interface, NGFF interface, CFast interface and SFF-8639 interface are widely used in the new generation of solid state drives.
References:
Baidu encyclopedia-solid state hard disk