| Manufacturer | Sony |
| Released | December 3, 1994 (in Japan) |
| Dimensions | - |
| Weight | - |
| Main CPU | MIPS R3000A-compatible (R3051) 32bit RISC chip running at 33.8688 MHz.
- Operating Performance of 30 MIPS.
- Bus Bandwidth 132 Mbit/s.
- Instruction Cache 4 kB.
- Data Cache 1 kB. |
| Memory | - Main RAM: 2 Megabytes.
- Video RAM: 1 Megabyte.
- Sound RAM: 512 Kilobytes.
- CD-Rom Buffer: 32 Kilobytes.
- Operating System ROM: 512 Kilobytes.
- PlayStation Memory Cards have 128 Kilobytes of space in an EEPROM. |
| Geometry transformation engine | This engine is inside the main CPU chip. It gives it additional (vector-)math instructions
used for the 3D graphics.
- Operating Performance of 66 MIPS.
- 360,000 Flat-Shaded Polygons per second.
- 180,000 texture mapped and light-sourced polygons per second. |
| Data decompression engine | Documented device mode is to read three RLE-encoded 16×16 macroblocks, run IDCT and assemble a
single 16×16 RGB macroblock.
- Compatible with MJPEG and H.261 files.
- Operating Performance of 80 MIPS.
- Directly connected to CPU Bus. |
| Graphics processing unit | - Maximum of 16.7 Million Colors.
- Resolutions from 256×224 to 640×480.
- Adjustable frame buffer.
- Unlimited Colour Lookup Tables.
- Maximum of 24 Bit Color Depth.
- Maximum of 4000 8×8 pixel sprites with individual scaling and rotation.
- Emulation of simultaneous backgrounds.
- Flat or Gouraud shading, and texture mapping. |
| Sound processing unit | Can handle ADPCM sources with up to 24 channels and up to 44.1 kHz sampling rate. |
| CD-ROM drive | - Originally Single Speed, later replaced with a Two Speed drive, with a maximum data throughput of
300 kB/s.
- XA Mode 2 Compliant.
- CD-DA (CD-Digital Audio). |
