PlayStation

The original Sony PlayStation (often called PS1 or PSX) is a fifth‑generation home video game console released by Sony Computer Entertainment in December 1994 in Japan and 1995 worldwide. It was Sony’s first game console and quickly became the dominant platform of its era, helping to popularize CD‑ROM–based gaming, 3D polygon graphics, and cinematic presentation. Internally, the PlayStation is built around a 32‑bit MIPS R3000A‑derived RISC CPU running at 33.8688 MHz. It is paired with a custom Geometry Transformation Engine (GTE) for 3D math operations and a Graphics Processing Unit (GPU) that handles flat‑shaded and texture‑mapped polygons, sprites, and background drawing. Unlike later consoles, the PS1 has no hardware support for perspective‑correct texturing or z‑buffering, giving its 3D games a distinctive wobbly, affine‑textured look. The system provides 2 MB of main RAM, 1 MB of VRAM, and 512 KB of sound RAM, with additional small buffers for I/O and CD operations. Games are delivered on 12 cm CD‑ROMs, enabling far larger assets than cartridge‑based rivals and making full‑motion video, Red Book audio, and large soundtracks commonplace. Memory cards using flash storage handle game saves via the front controller ports. Audio is produced by a 24‑channel ADPCM sound processing unit with reverb and effects, allowing complex music and soundscapes. Controllers evolved from the original digital gamepad to the Dual Analog and legendary DualShock controllers, adding twin analog sticks and vibration feedback that became industry standards. The PlayStation’s library exceeds 2,000 titles worldwide, including landmark series such as Final Fantasy, Metal Gear Solid, Gran Turismo, Resident Evil, and Tekken. Commercially, it surpassed 100 million units shipped, cementing Sony as a major console manufacturer and redefining expectations for 3D graphics, CD‑based production values, and mature storytelling in games.

audio

Sony SPC700‑style 24‑channel ADPCM sound processing unit, 44.1 kHz, reverb/effects, CD‑DA playback

cpu

32‑bit MIPS R3000A‑compatible RISC CPU @ 33.8688 MHz with integrated cache + GTE (Geometry Transformation Engine) co‑processor

gpu

Custom Sony GPU, up to ~360k textured polygons/s, 16.7M color palette (15‑bit output), sprite and polygon engine with dithering, no hardware z‑buffer or perspective‑correct texturing

media

12 cm CD‑ROM (x2 speed), memory cards for save data

ram

2 MB main RAM, 1 MB VRAM, 512 KB SPU RAM, 512 KB ROM/BIOS

releaseYear

1994

resolution

Typical 256×224 to 640×480, most games ~320×240, 15‑bit color (up to 24‑bit in special modes)