intel
CPUEmbeddedReleased 2017

Intel Atom A3940

4C/4T · 1.8 GHz · 8 W

Quad-core Atom x5 processor from Intel's Apollo Lake-based A3900 series, sold only to automotive customers for in-vehicle infotainment, digital instrument clusters and driver assistance systems. It is AEC-Q100 qualified for the automotive temperature range, bursts to 1.8 GHz and pairs a 12-EU Gen9 graphics engine with an 8 W TDP.

General

Manufacturer
Intel
Model
Intel Atom A3940
Segment
Embedded
Generation
Atom A3900 (Apollo Lake automotive)
Codename
Apollo Lake
Architecture
x86_64
Microarchitecture
Goldmont
Release date
2017

Cores & clocks

Cores / threads
4 cores / 4 threads
Base clock
1.60 GHz
Boost clock
1.80 GHz
TDP (design W)
8 W
Unlocked
✕ No
L2 cache
2 MB
L3 cache
—
Technology (nm)
14 nm
Intel 14 nm

Platform

Socket
FCBGA1296
2-CPU (multi-socket)
✕ No
Integrated GPU
Intel HD Graphics 500 (Gen9, 12 EU)
Clock: 600 MHz
Memory type
DDR3L, LPDDR4-2133
Memory size
Up to 8 GB
ECC memory
—
PCIe
PCIe 2.0

Instructions & AI

Instruction extensions
SSE4.1SSE4.2
NPU
None

OS support

Linux
UbuntuFedoraArch Linux
Notes
Apollo Lake processors are not included in Microsoft's Windows 11 supported-processor lists. The A3900 series is sold only to automotive customers and is mainly used with Linux-based, Android and other embedded automotive software platforms; mainline Linux supports the Apollo Lake platform.
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