Intel Atom x5-E3940 vs Intel Core i5-520UM

Comparative analysis of Intel Atom x5-E3940 and Intel Core i5-520UM 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Atom x5-E3940

Intel Core i5-520UM

Differences

Reasons to consider the Intel Atom x5-E3940

2 more cores, run more applications at once: 4 vs 2
Around 5% higher maximum core temperature: 110°C vs 105°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 80% lower typical power consumption: 9.5 Watt vs 18 Watt
2.2x better performance in PassMark - CPU mark: 1953 vs 908

Specifications (specs)
Number of cores	4 vs 2
Maximum core temperature	110°C vs 105°C
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	9.5 Watt vs 18 Watt
Benchmarks
PassMark - CPU mark	1953 vs 908

Reasons to consider the Intel Core i5-520UM

Around 4% higher clock speed: 1.87 GHz vs 1.80 GHz
Around 3% better performance in PassMark - Single thread mark: 699 vs 677

Specifications (specs)
Maximum frequency	1.87 GHz vs 1.80 GHz
Benchmarks
PassMark - Single thread mark	699 vs 677

Compare benchmarks

CPU 1: Intel Atom x5-E3940
CPU 2: Intel Core i5-520UM

PassMark - Single thread mark

CPU 1

CPU 2

677

699

PassMark - CPU mark

CPU 1

CPU 2

1953

908

Name	Intel Atom x5-E3940	Intel Core i5-520UM
PassMark - Single thread mark	677	699
PassMark - CPU mark	1953	908
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
GFXBench 4.0 - T-Rex (Fps)	1994
Geekbench 4 - Single Core		1199
Geekbench 4 - Multi-Core		2265

Compare specifications (specs)

	Intel Atom x5-E3940	Intel Core i5-520UM
Essentials
Architecture codename	Apollo Lake	Arrandale
Launch date	Q4'16	4 January 2010
Place in performance rating	2277	2263
Processor Number	E3940	i5-520UM
Series	Intel® Atom™ Processor X Series	Legacy Intel® Core™ Processors
Status	Announced	Discontinued
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$241
Performance
64 bit support
Base frequency	1.60 GHz	1.07 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	110°C	105°C
Maximum frequency	1.80 GHz	1.87 GHz
Number of cores	4	2
Number of threads	4	4
Operating Temperature Range	-40°C to 85°C
Bus Speed		2.5 GT/s DMI
Die size		81 mm2
Front-side bus (FSB)		2500 MHz
L2 cache		512 KB
L3 cache		3072 KB
Transistor count		382 million
Memory
Max memory channels	4	2
Maximum memory bandwidth	34.1 GB/s	12.8 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	DDR3 800
Graphics
Device ID	0x5A85
Execution Units	12
Graphics base frequency	400 MHz	166 MHz
Graphics max frequency	600 MHz	500 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 max dynamic frequency		500 MHz
Intel® Flexible Display Interface (Intel® FDI)
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	BGA 34mm x 28mm
Sockets supported	FCBGA1296	BGA1288
Thermal Design Power (TDP)	9.5 Watt	18 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	6	16
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	1x16
Total number of SATA ports	2
UART
USB revision	2.0/3.0
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	36-bit
Smart Connect
Thermal Monitoring
Flexible Display interface (FDI)
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Fast Memory Access
Intel® Flex Memory Access
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)