Intel Atom E3845 processor review

Intel Atom E3845

Atom E3845 processor released by Intel; release date: October 2013. The processor is designed for embedded-computers and based on Bay Trail microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 4, threads - 4. Maximum CPU clock speed - 1.91 GHz. Maximum operating temperature - -40°C to 110°C. Manufacturing process technology - 22 nm. Cache size: L1 - 64 KB (per core), L2 - 512 KB (per core).

Supported memory types: DDR3L 1333. Maximum memory size: 8 GB.

Supported socket types: FCBGA1170. Maximum number of processors in a configuration - 1. Power consumption (TDP): 10 Watt.

The processor has integrated graphics Intel HD Graphics with the following parameters: maximum frequency - 792 MHz.

Benchmarks

PassMark
Single thread mark
Top 1 CPU
This CPU
4870
536
PassMark
CPU mark
Top 1 CPU
This CPU
156834
1052
CompuBench 1.5 Desktop
Ocean Surface Simulation
Top 1 CPU
This CPU
741.453 Frames/s
9.495 Frames/s
GFXBench 4.0
T-Rex
Top 1 CPU
This CPU
12887 Frames
1041 Frames
GFXBench 4.0
T-Rex
Top 1 CPU
This CPU
12887.000 Fps
1041.000 Fps
CompuBench 1.5 Desktop
Face Detection
Top 1 CPU
This CPU
97.640 mPixels/s
0.787 mPixels/s
Name Value
PassMark - Single thread mark 536
PassMark - CPU mark 1052
CompuBench 1.5 Desktop - Ocean Surface Simulation 9.495 Frames/s
GFXBench 4.0 - T-Rex 1041 Frames
GFXBench 4.0 - T-Rex 1041.000 Fps
CompuBench 1.5 Desktop - Face Detection 0.787 mPixels/s

Specifications (specs)

Essentials

Architecture codename Bay Trail
Launch date October 2013
Place in performance rating 3032
Processor Number E3845
Series Intel® Atom™ Processor E Series
Status Launched
Vertical segment Embedded

Performance

64 bit support
Base frequency 1.91 GHz
L1 cache 64 KB (per core)
L2 cache 512 KB (per core)
Manufacturing process technology 22 nm
Maximum core temperature -40°C to 110°C
Maximum frequency 1.91 GHz
Number of cores 4
Number of threads 4

Memory

ECC memory support
Max memory channels 2
Maximum memory size 8 GB
Supported memory types DDR3L 1333

Graphics

Graphics base frequency 542 MHz
Graphics max frequency 792 MHz
Intel® Quick Sync Video
Processor graphics Intel HD Graphics

Graphics interfaces

Number of displays supported 2

Compatibility

Low Halogen Options Available
Max number of CPUs in a configuration 1
Package Size 25mm x 27mm
Sockets supported FCBGA1170
Thermal Design Power (TDP) 10 Watt

Peripherals

Integrated IDE
Integrated LAN
Max number of PCIe lanes 4
PCI Express revision 2.0
PCIe configurations x4, x2, x1
Total number of SATA ports 2
UART
USB revision 2.0, 3.0

Security & Reliability

Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)

Advanced Technologies

Enhanced Intel SpeedStep® technology
HD Audio
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® vPro™ Platform Eligibility

Virtualization

Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)

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