NVIDIA GeForce 840M Full Specs

Summary

384 Shaders 1.03GHz

2GB DDR316GB/s

Peak·FP32·FP16 790.3 GFLOPS

Form Factor Soldered

TDP 30W

Theoretical Performance

Clock Speed1029MHz UC·Boost·OC

Peak OPS 790.3 GFLOPSFP32

FP32 790.3 GFLOPS

FP64 24.7 GFLOPS

Pixel Rate 8.2 GPixel/s

Texture Rate 24.7 GTexel/s

Core Config

Shaders 384 Shaders

TMUs 24 TMUs

ROPs 8 ROPs

SMs 3 SMs

Clocks

Boost Clock 1.03GHz

Cache

L1 64KB/SM

L2 Cache 1MB shared

Memory

2GB DDR3

Memory Bus 64-bit

Memory Speed 2GT/s

Memory Bandwidth 16GB/s

ECC No

Power & Thermals

TDP 30W

Video Output

Max Resolution 4096x2304

Refresh Rate Calculator 3840x2160 Resolution4K UHD Refresh Rate 68Hz

Multi-Monitor 2

Adaptive Sync G-Sync FreeSync

DSC Not Supported

API Support

Shader Model 6.7

DirectX DirectX 12 Direct3D 11_0

OpenGL 4.6 OpenCL 3 Vulkan 1.3

CUDA 5 PureVideo HD VP6 VDPAU Feature Set E

Decoder

Decoder VP6

Card

Form Factor Soldered

PCIe PCIe 3.0 x8

Chip

Manufacturer NVIDIA

Chip Designer NVIDIA

Architecture Maxwell

Family GeForce 800

Branding

Codename NV118

Market Segment Laptop

Release Date Mar 12, 2014

Fabrication

Foundry TSMC

Fabrication Node 28nm

Die Size 89mm²

Transistor Count 1.1B

Transistor Density 12.61 MTr/mm²

Images