NVIDIA GeForce GT 640M Mac Full Specs

Summary

384 Shaders 625MHz

512MB GDDR564GB/s

Peak·FP32·FP16 480 GFLOPS

Form Factor Soldered

TDP 32W

Theoretical Performance

Clock Speed625MHz UC·Boost·OC

Peak OPS 480 GFLOPSFP32

FP32 480 GFLOPS

FP64 20 GFLOPS

Pixel Rate 10 GPixel/s

Texture Rate 20 GTexel/s

Core Config

Shaders 384 Shaders

TMUs 32 TMUs

ROPs 16 ROPs

SMs 2 SMs

Clocks

Boost Clock 625MHz

Cache

L2 Cache 256KB shared

Memory

512MB GDDR5

Memory Bus 128-bit

Memory Speed 4GT/s

Memory Bandwidth 64GB/s

ECC No

Power & Thermals

TDP 32W

Video Output

Multi-Monitor 3

Encoder

Encoder Model NVENC 1

Codec AVC (H.264)

Decoder

Decoder Model NVDEC 1

Codec MPEG-1 MPEG-2 MPEG-4 VC-1 AVC (H.264)

Card

Form Factor Soldered

Chip

Manufacturer NVIDIA

Chip Designer NVIDIA

Architecture Kepler

Family GeForce 600

Branding

Codename NVE7

Market Segment Laptop

Release Date Mar 22, 2012

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 118mm²

Transistor Count 1.3 Billion

Transistor Density 10.76 MTr/mm²

Images