NVIDIA GeForce GT 645M Full Specs

Summary

384 Shaders 710MHz

1GB GDDR564GB/s

Peak·FP32·FP16 545.3 GFLOPS

Form Factor Soldered

TDP 32W

Theoretical Performance

Clock Speed710MHz UC·Boost·OC

Peak OPS 545.3 GFLOPSFP32

FP32 545.3 GFLOPS

FP64 22.72 GFLOPS

Pixel Rate 11.4 GPixel/s

Texture Rate 22.7 GTexel/s

Core Config

Shaders 384 Shaders

TMUs 32 TMUs

ROPs 16 ROPs

SMs 2 SMs

Clocks

Boost Clock 710MHz

Cache

L1 48KB/SM Tex

L2 Cache 256KB shared

Memory

1GB GDDR5

Memory Bus 128-bit

Memory Speed 4GT/s

Memory Bandwidth 64GB/s

ECC No

Power & Thermals

TDP 32W

Video Output

Max Resolution 4096x2304

Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 34Hz

Multi-Monitor 3

Adaptive Sync G-Sync FreeSync

DSC Not Supported

API Support

Shader Model 6.5

DirectX DirectX 12 Direct3D 11_0

OpenGL 4.6 OpenCL 3 Vulkan 1.2

CUDA 3 PureVideo HD VP5 VDPAU Feature Set D

Encoder

Encoder NVENC 1

Codec AVC (H.264)

Decoder

Decoder NVDEC 1

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

Card

Form Factor Soldered

PCIe PCIe 3.0 x16

Chip

Manufacturer NVIDIA

Chip Designer NVIDIA

Architecture Kepler

Family GeForce 600

Branding

Codename NVE7

Market Segment Laptop

Release Date Oct 1, 2012

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 118mm²

Transistor Count 1.3B

Transistor Density 10.76 MTr/mm²

Images