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Video random-access memory (VRAM) is dedicated computer memory used to store the pixels and other graphics data as a framebuffer to be rendered on a computer monitor. [1] It often uses a different technology than other computer memory, in order to be read quickly for display on a screen.
Dual-ported video RAM (VRAM) is a dual-ported variant of dynamic RAM (DRAM), which was once commonly used to store the framebuffer in graphics adapters. Dual-ported RAM allows the CPU to read and write data to memory as if it were a conventional DRAM chip, while adding a second port that reads out data.
Both the iPhone 8 and 8 Plus were supplied with iOS 11 on launch, [25] [27] and support iOS 12, iOS 13, iOS 14, iOS 15 and iOS 16. Apple announced that the iPhone 8 and 8 Plus, as well as the iPhone X, would not support iOS 17 due to hardware limitations. [35] However, the devices still receive security updates.
As with prior M series SoCs, this serves as both RAM and video RAM. The M3 has 8 memory controllers, the M3 Pro has 12 and the M3 Max has 32. Each controller is 16-bits wide and is capable of accessing up to 4 GiB of memory. [14] The M3 Pro and 14-core M3 Max have lower memory bandwidth than the M1/M2 Pro and M1/M2 Max respectively.
The M4 Pro features an up to 14-core CPU, with 10 performance cores and 4 efficiency cores, along with up to a 20-core GPU that Apple claims is twice as powerful as that in the M4 when used in the corresponding MacBook Pro. The M4 Pro is available with up to 64GB unified memory (Mac Mini) with a theoretical maximum bandwidth of 273GB/sec. [11]
Two VRAM SIMM slots provide the ability to upgrade to 1 MB of VRAM, which allows for 32,768 color (16-bit) resolutions. [2] Unlike the preceding Quadra 700 and Quadra 900/950, on-board video provided by the Quadra 800 is not capable of operating at 24-bit color regardless of how much VRAM is installed, as 24-bit support was removed as a cost ...
iPhone 13 / 13 mini iPhone SE (3rd gen) A14 Bionic 6 GB iPhone 12 Pro / 12 Pro Max 4 GB iPhone 12 / 12 mini A13 Bionic iPhone 11 iPhone 11 Pro / 11 Pro Max 3 GB iPhone SE (2nd gen) A12 Bionic 4 GB iPhone XS / XS Max 3 GB iPhone XR: A11 Bionic iPhone X / 8 Plus iOS 16.7.10: 2 GB iPhone 8: A10 Fusion 3 GB LPDDR4 1600 MHz iPhone 7 Plus iOS 15.8.3 ...
Graphics DDR SDRAM (GDDR SDRAM) is a type of synchronous dynamic random-access memory (SDRAM) specifically designed for applications requiring high bandwidth, [1] e.g. graphics processing units (GPUs).