Intel Atom Z620 vs Intel Core i3-550

Comparative analysis of Intel Atom Z620 and Intel Core i3-550 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Graphics, Graphics interfaces, Peripherals, Security & Reliability, Virtualization. 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 Z620

Intel Core i3-550

Differences

Reasons to consider the Intel Atom Z620

73x lower typical power consumption: 1 Watt vs 73 Watt

Thermal Design Power (TDP)	1 Watt vs 73 Watt

Reasons to consider the Intel Core i3-550

1 more cores, run more applications at once: 2 vs 1
Around 256% higher clock speed: 3.2 GHz vs 0.9 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later

Number of cores	2 vs 1
Maximum frequency	3.2 GHz vs 0.9 GHz
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB (per core)

Compare benchmarks

CPU 1: Intel Atom Z620
CPU 2: Intel Core i3-550

Name	Intel Atom Z620	Intel Core i3-550
PassMark - Single thread mark		1343
PassMark - CPU mark		1625
Geekbench 4 - Single Core		478
Geekbench 4 - Multi-Core		1061
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		0.529
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		31.203
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.156
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.842
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.358

Compare specifications (specs)

	Intel Atom Z620	Intel Core i3-550
Essentials
Architecture codename	Lincroft	Clarkdale
Launch date	May 2010	May 2010
Place in performance rating	not rated	2933
Vertical segment	Laptop	Desktop
Launch price (MSRP)		$101
Price now		$179.95
Processor Number		i3-550
Series		Legacy Intel® Core™ Processors
Status		Discontinued
Value for money (0-100)		4.63
Performance
Die size	65 mm	81 mm2
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	512 KB (per core)	256 KB (per core)
Manufacturing process technology	45 nm	32 nm
Maximum frequency	0.9 GHz	3.2 GHz
Number of cores	1	2
Transistor count	140 million	382 million
64 bit support
Base frequency		3.20 GHz
Bus Speed		2.5 GT/s DMI
L3 cache		4096 KB (shared)
Maximum core temperature		72.6°C
Number of threads		4
VID voltage range		0.6500V-1.4000V
Memory
Supported memory types	DDR1, DDR2	DDR3 1066/1333
Max memory channels		2
Maximum memory bandwidth		21 GB/s
Maximum memory size		16.38 GB
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 518	FCLGA1156
Thermal Design Power (TDP)	1 Watt	73 Watt
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Graphics
Graphics base frequency		733 MHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics		Intel HD Graphics
Graphics interfaces
Number of displays supported		2
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)