Intel Atom E3827 vs Intel Core i7-940XM

Comparative analysis of Intel Atom E3827 and Intel Core i7-940XM processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Atom E3827

Intel Core i7-940XM

Differences

Reasons to consider the Intel Atom E3827

CPU is newer: launch date 3 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
6.9x lower typical power consumption: 8 Watt vs 55 Watt
Around 81% better performance in Geekbench 4 - Single Core: 932 vs 516

Specifications (specs)
Launch date	October 2013 vs 1 June 2010
Manufacturing process technology	22 nm vs 45 nm
Thermal Design Power (TDP)	8 Watt vs 55 Watt
Benchmarks
Geekbench 4 - Single Core	932 vs 516

Reasons to consider the Intel Core i7-940XM

2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 90% higher clock speed: 3.33 GHz vs 1.75 GHz
Around -350% higher maximum core temperature: 100°C vs -40°C to 110°C
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2.4x better performance in PassMark - Single thread mark: 1122 vs 468
4.7x better performance in PassMark - CPU mark: 2187 vs 463
Around 11% better performance in Geekbench 4 - Multi-Core: 1709 vs 1542

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.33 GHz vs 1.75 GHz
Maximum core temperature	100°C vs -40°C to 110°C
L1 cache	256 KB vs 64 KB (per core)
Benchmarks
PassMark - Single thread mark	1122 vs 468
PassMark - CPU mark	2187 vs 463
Geekbench 4 - Multi-Core	1709 vs 1542

Compare benchmarks

CPU 1: Intel Atom E3827
CPU 2: Intel Core i7-940XM

PassMark - Single thread mark

CPU 1

CPU 2

468

1122

PassMark - CPU mark

CPU 1

CPU 2

463

2187

Geekbench 4 - Single Core

CPU 1

CPU 2

932

516

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1542

1709

Name	Intel Atom E3827	Intel Core i7-940XM
PassMark - Single thread mark	468	1122
PassMark - CPU mark	463	2187
Geekbench 4 - Single Core	932	516
Geekbench 4 - Multi-Core	1542	1709
GFXBench 4.0 - T-Rex (Frames)	1653
GFXBench 4.0 - T-Rex (Fps)	1653

Compare specifications (specs)

	Intel Atom E3827	Intel Core i7-940XM
Essentials
Architecture codename	Bay Trail	Clarksfield
Launch date	October 2013	1 June 2010
Place in performance rating	2412	2406
Processor Number	E3827	i7-940XM
Series	Intel® Atom™ Processor E Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$1,096
Performance
64 bit support
Base frequency	1.75 GHz	2.13 GHz
L1 cache	64 KB (per core)	256 KB
L2 cache	512 KB (per core)	1024 KB
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	-40°C to 110°C	100°C
Maximum frequency	1.75 GHz	3.33 GHz
Number of cores	2	4
Number of threads	2	8
Bus Speed		2.5 GT/s DMI
Die size		296 mm2
Front-side bus (FSB)		2500 MHz
L3 cache		8196 KB
Transistor count		774 million
Memory
ECC memory support
Max memory channels	2	2
Maximum memory size	8 GB	8 GB
Supported memory types	DDR3L 1333	DDR3 1066/1333
Maximum memory bandwidth		21 GB/s
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	1
Package Size	25mm x 27mm	37.5mm x 37.5mm
Sockets supported	FCBGA1170	PGA988
Thermal Design Power (TDP)	8 Watt	55 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	4	16
PCI Express revision	2.0	2
PCIe configurations	x4, x2, x1	1x16, 2x8
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
Idle States
Instruction set extensions		Intel® SSE4.2
Intel® Demand Based Switching
Intel® Turbo Boost technology
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)