GeForce 8800 GTS 640

GPU Code: G80

655 MB

GDDR3

513 MHz

Boost Clock

143 W

TDP

90 nm

Process
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Technical Specifications

Core Specifications
Architecture: Tesla
Process Size: 90 nm
Base Clock: 513 MHz
Boost Clock: 513 MHz
Shader Units: 96
SMs: 12
TMUs: 24
ROPs: 20
Memory & Performance
Memory Size: 655 MB
Memory Type: GDDR3
Memory Bandwidth: 63.4 GB/s
Bus Interface: PCIe 1.0 x16
TDP: 143 W
Suggested PSU: 300 W
Cache & Die Information
L2 Cache: 0.1 MB
Die Size: 484 mm²
Transistors: 0.7 billion
Transistor Density: 1.4 million/mm²

API Support

DirectX
10
OpenGL
3.3
Cuda Compute
1.0 sm_10

Physical Specifications

Board Length: 267 mm
Power Connectors: 1x 6-pin
Display Outputs: 2x DVI, 1x S-Video

Quick Facts

Release Date: 2006-11-08
Manufacturer: NVIDIA
Generation: GeForce 8(8800)

Performance

Pixel Fill Rate 10.3 GPixel/s
Texture Fill Rate 24.6 GTexel/s
FP32 Performance 0.2 TFLOPS

CUDA Toolkit Compatibility

Cuda Compute
1.0 sm_10
Architecture

Tesla

Supported CUDA Toolkits
2.0 2.1 2.2 2.3 3.0 3.1 3.2 4.0 4.1 4.2 5.0 5.5 6.0
Note: Support dropped in CUDA 6.5

Tesla architecture (G80/G84/G86/G92) - Support dropped in CUDA 6.5