Intel Atom x5-E3940 vs Intel Atom E3845

Comparative analysis of Intel Atom x5-E3940 and Intel Atom E3845 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - Face Detection (mPixels/s).

Intel Atom x5-E3940

Intel Atom E3845

Differences

Reasons to consider the Intel Atom x5-E3940

Around -375% higher maximum core temperature: 110°C vs -40°C to 110°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 26% better performance in PassMark - Single thread mark: 674 vs 536
Around 78% better performance in PassMark - CPU mark: 1908 vs 1069
Around 92% better performance in GFXBench 4.0 - T-Rex (Frames): 1994 vs 1041
Around 92% better performance in GFXBench 4.0 - T-Rex (Fps): 1994 vs 1041

Specifications (specs)
Maximum core temperature	110°C vs -40°C to 110°C
Manufacturing process technology	14 nm vs 22 nm
Benchmarks
PassMark - Single thread mark	674 vs 536
PassMark - CPU mark	1908 vs 1069
GFXBench 4.0 - T-Rex (Frames)	1994 vs 1041
GFXBench 4.0 - T-Rex (Fps)	1994 vs 1041

Reasons to consider the Intel Atom E3845

Around 6% higher clock speed: 1.91 GHz vs 1.80 GHz

Maximum frequency	1.91 GHz vs 1.80 GHz

Compare benchmarks

CPU 1: Intel Atom x5-E3940
CPU 2: Intel Atom E3845

PassMark - Single thread mark

CPU 1

CPU 2

674

536

PassMark - CPU mark

CPU 1

CPU 2

1908

1069

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

1994

1041

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

1994

1041

Name	Intel Atom x5-E3940	Intel Atom E3845
PassMark - Single thread mark	674	536
PassMark - CPU mark	1908	1069
GFXBench 4.0 - Car Chase Offscreen (Frames)	378
GFXBench 4.0 - Car Chase Offscreen (Fps)	378
GFXBench 4.0 - Manhattan (Frames)	1098
GFXBench 4.0 - Manhattan (Fps)	1098
GFXBench 4.0 - T-Rex (Frames)	1994	1041
GFXBench 4.0 - T-Rex (Fps)	1994	1041
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		9.495
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.787

Compare specifications (specs)

	Intel Atom x5-E3940	Intel Atom E3845
Essentials
Architecture codename	Apollo Lake	Bay Trail
Launch date	Q4'16	October 2013
Place in performance rating	2294	3042
Processor Number	E3940	E3845
Series	Intel® Atom™ Processor X Series	Intel® Atom™ Processor E Series
Status	Announced	Launched
Vertical segment	Embedded	Embedded
Performance
64 bit support
Base frequency	1.60 GHz	1.91 GHz
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	110°C	-40°C to 110°C
Maximum frequency	1.80 GHz	1.91 GHz
Number of cores	4	4
Number of threads	4	4
Operating Temperature Range	-40°C to 85°C
L1 cache		64 KB (per core)
L2 cache		512 KB (per core)
Memory
Max memory channels	4	2
Maximum memory bandwidth	34.1 GB/s
Maximum memory size	8 GB	8 GB
Supported memory types	DDR3L (ECC and Non ECC) up to 1866 MT/s; LPDDR4 up to 2133 MT/s	DDR3L 1333
ECC memory support
Graphics
Device ID	0x5A85
Execution Units	12
Graphics base frequency	400 MHz	542 MHz
Graphics max frequency	600 MHz	792 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	2 GB
Processor graphics	Intel® HD Graphics 500	Intel HD Graphics
Graphics interfaces
DisplayPort
eDP
HDMI
MIPI-DSI
Number of displays supported	3	2
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2160 @60Hz
Max resolution over eDP	3840x2160 @ 60Hz
Max resolution over HDMI 1.4	3840x2160 @30Hz
Graphics API support
DirectX	Yes
OpenGL	Yes
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	24mm x 31mm	25mm x 27mm
Sockets supported	FCBGA1296	FCBGA1170
Thermal Design Power (TDP)	9.5 Watt	10 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	6	4
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	8
PCI Express revision	2.0	2.0
PCIe configurations	x4,x2,x1	x4, x2, x1
Total number of SATA ports	2	2
UART
USB revision	2.0/3.0	2.0, 3.0
Integrated IDE
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
General-Purpose Input/Output (GPIO)
HD Audio
Idle States
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Rapid Storage technology (RST)
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	40-bit
Smart Connect
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® Virtualization Technology for Itanium (VT-i)
Intel® VT-x with Extended Page Tables (EPT)