Intel Atom Z620 vs Intel Aubrey Isle

Comparative analysis of Intel Atom Z620 and Intel Aubrey Isle processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies.

Intel Atom Z620

Intel Aubrey Isle

Differences

Reasons to consider the Intel Atom Z620

300x lower typical power consumption: 1 Watt vs 300 Watt

Thermal Design Power (TDP)	1 Watt vs 300 Watt

Reasons to consider the Intel Aubrey Isle

31 more cores, run more applications at once: 32 vs 1
Around 33% higher clock speed: 1.2 GHz vs 0.9 GHz
16x more L1 cache, more data can be stored in the L1 cache for quick access later
16x more L2 cache, more data can be stored in the L2 cache for quick access later

Number of cores	32 vs 1
Maximum frequency	1.2 GHz vs 0.9 GHz
L1 cache	32 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 512 KB (per core)

Compare specifications (specs)

	Intel Atom Z620	Intel Aubrey Isle
Essentials
Architecture codename	Lincroft	Knights Ferry
Launch date	May 2010	May 2010
Place in performance rating	not rated	not rated
Vertical segment	Laptop	Server
Performance
Die size	65 mm	684 mm
L1 cache	64 KB (per core)	32 KB (per core)
L2 cache	512 KB (per core)	256 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	0.9 GHz	1.2 GHz
Number of cores	1	32
Transistor count	140 million	2300 million
Memory
Supported memory types	DDR1, DDR2	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	Intel BGA 518
Thermal Design Power (TDP)	1 Watt	300 Watt
Advanced Technologies
Enhanced Intel SpeedStep® technology