Atom Z500 vs Xeon L5609

Primary details

Comparing Xeon L5609 and Atom Z500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1886	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	no data	Intel Atom
Power efficiency	4.92	no data
Architecture codename	Westmere-EP (2010−2011)	Silverthorne (2008−2010)
Release date	16 March 2010 (14 years ago)	2 April 2008 (16 years ago)
Launch price (MSRP)	no data	$45

Detailed specifications

Xeon L5609 and Atom Z500 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	1 (Single-Core)
Threads	4	1
Base clock speed	1.86 GHz	no data
Boost clock speed	1.86 GHz	0.8 GHz
Bus type	no data	FSB
Bus rate	no data	400 MT/s
Multiplier	no data	8
L1 cache	64 KB (per core)	56 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	12 MB (shared)	0 KB
Chip lithography	32 nm	45 nm
Die size	239 mm2	24.18 mm2
Maximum core temperature	63 °C	90 °C
Number of transistors	1,170 million	47 Million
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	no data	0.80 -1.1V

Compatibility

Information on Xeon L5609 and Atom Z500 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	2	1 (Uniprocessor)
Socket	FCLGA1366,LGA1366	PBGA441
Power consumption (TDP)	40 Watt	0.65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon L5609 and Atom Z500. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	+	+
PAE	40 Bit	no data
FSB parity	no data	-

Security technologies

Xeon L5609 and Atom Z500 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon L5609 and Atom Z500 are enumerated here.

VT-d	+	-
VT-x	+	-
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon L5609 and Atom Z500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	288 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon L5609 and Atom Z500.

PCIe version

2.0

no data

Pros & cons summary

---

Recency	16 March 2010	2 April 2008
Physical cores	4	1
Threads	4	1
Chip lithography	32 nm	45 nm

---

Should you still have questions on choice between Xeon L5609 and Atom Z500, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---