As per simple history that written on https://www.tomshardware.com/
From its launch in 2012 up until 2019, the Raspberry Pi wasn’t regarded as a serious PC replacement. Sure, you could play a few games, run office apps and surf the web with even the $5 Raspberry Pi Zero, but most people don’t want to do that with just 512MB or 1GB of RAM.
Now, the Raspberry Pi Foundation has upped the ante by releasing a Raspberry Pi 4 B with a generous 8GB of RAM. Launching today for $75, the Raspberry Pi 4 B (8GB) is identical to other Raspberry Pi 4 B models in every way, except for its RAM capacity.
As explanation of https://vilros.com, Specification of this product is
Processor : Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHz
Memory : 8GB LPDDR4
Connectivity : 2.4 GHz and 5.0 GHz IEEE 802.11b/g/n/ac wireless LAN, Bluetooth 5.0, BLE Gigabit Ethernet 2 × USB 3.0 ports 2 × USB 2.0 ports.
GPIO : Standard 40-pin GPIO header (fully backwards-compatible with previous boards)
Video & sound : 2 × micro HDMI ports (up to 4Kp60 supported) 2-lane MIPI DSI display port 2-lane MIPI CSI camera port 4-pole stereo audio and composite video port
Multimedia : H.265 (4Kp60 decode); H.264 (1080p60 decode, 1080p30 encode); OpenGL ES, 3.0 graphics
SD card support : Micro SD card slot for loading operating system and data storage
Input power : 5V DC via USB-C connector (minimum 3A1) 5V DC via GPIO header (minimum 3A1) Power over Ethernet (PoE)–enabled (requires separate PoE HAT)
Environment : Operating temperature 0–50ºC
As written on https://www.canakit.com https://www.canakit.com
• The Raspberry Pi 4 provides desktop performance comparable to entry-level x86 PC systems. The Raspberry Pi 4 comes in three on-board RAM options for even further performance benefits: 2GB, 4GB and 8GB.
• The Raspberry Pi 4 requires a 3.0A USB-C power supply (sold separately). If you have an existing power supply that is rated at 3.0A
Available Online Store Button/Choice is Shopee-ID and Alibaba, For Youtube Video, just check on the bottom of this post
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