Intel Atom N2800 vs Intel Core i7-620M

Comparative analysis of Intel Atom N2800 and Intel Core i7-620M processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Graphics interfaces, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Atom N2800

Intel Core i7-620M

Differences

Reasons to consider the Intel Atom N2800

CPU is newer: launch date 1 year(s) 11 month(s) later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
5x lower typical power consumption: 6.5 Watt vs 35 Watt
Around 31% better performance in Geekbench 4 - Single Core: 590 vs 452
Around 28% better performance in Geekbench 4 - Multi-Core: 1216 vs 947

Specifications (specs)
Launch date	28 December 2011 vs 10 January 2010
L2 cache	1024 KB vs 512 KB
Thermal Design Power (TDP)	6.5 Watt vs 35 Watt
Benchmarks
Geekbench 4 - Single Core	590 vs 452
Geekbench 4 - Multi-Core	1216 vs 947

Reasons to consider the Intel Core i7-620M

Around 79% higher clock speed: 3.33 GHz vs 1.86 GHz
Around 64% higher maximum memory size: 8 GB vs 4.88 GB
4x better performance in PassMark - Single thread mark: 1287 vs 319
4.5x better performance in PassMark - CPU mark: 1979 vs 444

Specifications (specs)
Maximum frequency	3.33 GHz vs 1.86 GHz
Maximum memory size	8 GB vs 4.88 GB
Benchmarks
PassMark - Single thread mark	1287 vs 319
PassMark - CPU mark	1979 vs 444

Compare benchmarks

CPU 1: Intel Atom N2800
CPU 2: Intel Core i7-620M

PassMark - Single thread mark

CPU 1

CPU 2

319

1287

PassMark - CPU mark

CPU 1

CPU 2

444

1979

Geekbench 4 - Single Core

CPU 1

CPU 2

590

452

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1216

947

Name	Intel Atom N2800	Intel Core i7-620M
PassMark - Single thread mark	319	1287
PassMark - CPU mark	444	1979
Geekbench 4 - Single Core	590	452
Geekbench 4 - Multi-Core	1216	947
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.513
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		22.188
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.15
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.762
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.197

Compare specifications (specs)

	Intel Atom N2800	Intel Core i7-620M
Essentials
Architecture codename	Cedarview	Arrandale
Launch date	28 December 2011	10 January 2010
Launch price (MSRP)	$47	$332
Place in performance rating	2981	2983
Processor Number	N2800	i7-620M
Series	Intel® Atom™ Processor N Series	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Price now		$110.01
Value for money (0-100)		7.29
Performance
64 bit support
Base frequency	1.86 GHz	2.66 GHz
Bus Speed	2.5 GT/s DMI	2.5 GT/s DMI
Die size	66 mm	81 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1024 KB	512 KB
Manufacturing process technology	32 nm	32 nm
Maximum frequency	1.86 GHz	3.33 GHz
Number of cores	2	2
Number of threads	4	4
Transistor count	176 million	382 million
Front-side bus (FSB)		2500 MHz
L3 cache		4096 KB
Maximum core temperature		105°C
Memory
Max memory channels	1	2
Maximum memory size	4.88 GB	8 GB
Supported memory types	DDR3	DDR3 800/1066
Maximum memory bandwidth		17.1 GB/s
Graphics
Graphics base frequency	640 MHz	500 MHz
Processor graphics	Integrated	Intel HD Graphics
Graphics max dynamic frequency		766 MHz
Graphics max frequency		766 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCBGA559	BGA1288, PGA988
Thermal Design Power (TDP)	6.5 Watt	35 Watt
Package Size		rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Idle States
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics interfaces
Number of displays supported		2
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16