Sony Playstation SCPH-100x GPU

Graphics Processor

GTE

Pixel Shaders

Vertex Shaders

TMUs

ROPs

Memory Size

1 MB

Memory Type

VRAM

Bus Width

32 bit

GPU

Top

Back SCPH-1000

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Motherboard

Graphics Processor

GPU Name: GTE

GPU Variant: CXD8514Q

Foundry: Sony

Process Size: 600 nm

Transistors: 1 million

Density: 7.8K / mm²

Die Size: 128 mm²

Graphics Card

Release Date: Dec 3rd, 1994

Generation: Console GPU
(Sony)

Production: End-of-life

Clock Speeds

GPU Clock: 53 MHz

Memory Clock: 33 MHz

Memory

Memory Size: 1 MB

Memory Type: VRAM

Memory Bus: 32 bit

Bandwidth: 132.0 MB/s

Render Config

Pixel Shaders: 2

Vertex Shaders: 1

TMUs: 3

ROPs: 1

Theoretical Performance

Pixel Rate: 53.00 MPixel/s

Vertex Rate: 13.25 MVertices/s

Texture Rate: 159.0 MTexel/s

Board Design

Length: 270 mm
10.6 inches

Width: 60 mm
2.4 inches

Height: 188 mm
7.4 inches

Weight: 1.50 kg (3.31 lbs)

TDP: 11 W

Outputs: No outputs

Graphics Features

DirectX: N/A

OpenGL: N/A

OpenCL: N/A

Vulkan: N/A

Pixel Shader: N/A

Vertex Shader: N/A

Console Notes

Playstation:
SCPH-100x = 1.5 kg (3.31 lbs), 10.5W / December 3rd, 1994
SCPH-300x = 1.5 kg (3.31 lbs), 10.5W / July 21st, 1995
SCPH-500x = 1.5 kg (3.31 lbs), 9.8W / June 22nd, 1996
SCPH-550x = 1.4 kg (3.09 lbs), 9.0W / November 15th, 1996

GTE GPU Notes

Handles display of graphics, control of framebuffer, and drawing of polygons and textures
Handles 2D graphics processing, in a similar manner to the 3D engine

RAM:
1 MB VRAM for framebuffer (models SCPH-500x and up contained SGRAM)
2 KB texture cache (132 MB/s memory bus bandwidth, 32-bit wide)
64 bytes FIFO buffer

Features:
Adjustable framebuffer (1024×512)
Emulation of simultaneous backgrounds (to simulate parallax scrolling)
Mask bit
Texture window
Dithering
Clipping
Alpha blending (4 per-texel alpha blending modes)
Fog
Framebuffer effects
Transparency effects
Render to texture
Offscreen rendering
Multipass rendering
Flat or Gouraud shading and texture mapping
No line restriction
Colored light sourcing

Resolutions:
Progressive: 256×224 to 640×240 pixels
Interlaced: 256×448 to 640×480 pixels

Colors:
Maximum color depth of 16,777,216 colors (24-bit true color)
57,344 (256×224) to 153,600 (640×240) colors on screen
Unlimited color lookup tables (CLUTs)
32 levels of transparency
All calculations are performed to 24 bit accuracy

Texture mapping color mode:
Mode 4: 4-bit CLUT (16 colors)
Mode 8: 8-bit CLUT (256 colors)
Mode 15: 15-bit direct (32,768 colors)
Mode 24: 24-bit (16,777,216 colors)

Sprite engine:
1024×512 framebuffer, 8×8 and 16×16 sprite sizes, bitmap objects
Up to 4,000 sprites on screen (at 8×8 sprite size), scaling and rotation
256×256 maximum sprite size

Special sprite effects:
Rotation
Scaling up/down
Warping
Transparency
Fading
Priority
Vertical and horizontal line scroll

Oscillator readings:
"Geometry Transformation Engine" (GTE) clocked at 53.69 MHz
VRAM Memory clocked at 67.73 MHz

Other retail boards based on this design (4)

Name	GPU Clock	Memory Clock	Other Changes
Sony Playstation SCPH-100x GPU	53 MHz	33 MHz
Sony Playstation SCPH-300x GPU	53 MHz	33 MHz
Sony Playstation SCPH-500x GPU	53 MHz	33 MHz	SGRAM
Sony Playstation SCPH-550x GPU	53 MHz	33 MHz	SGRAM