Atom Z550 vs Xeon E5-2667 v4

Primary details

Comparing Xeon E5-2667 v4 and Atom Z550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	800	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	19.73	no data
Market segment	Server	Laptop
Series	Intel Xeon E5	Intel Atom
Architecture codename	Broadwell (2015−2019)	Silverthorne (2008−2010)
Release date	20 June 2016 (8 years ago)	8 April 2009 (15 years ago)
Launch price (MSRP)	$2,057	no data
Current price	$41 (0x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2667 v4 and Atom Z550 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	8 (Octa-Core)	1 (Single-Core)
Threads	16	2
Base clock speed	3.2 GHz	2 GHz
Boost clock speed	3.6 GHz	0.1 GHz
Bus support	2 × 9.6 GT/s	533.33 MT/s
L1 cache	no data	56 KB
L2 cache	2 MB	512 KB
L3 cache	25 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	246.24 mm2	24.18 mm27.8 mm × 3.1 mm
Maximum core temperature	78 °C	90 °C
Number of transistors	3200 Million	47 Million
64 bit support	+	-
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2667 v4 and Atom Z550 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	FCLGA2011	PBGA441
Power consumption (TDP)	135 Watt	2.4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2667 v4 and Atom Z550. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	no data
AES-NI	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
Demand Based Switching	+	+
PAE	46 Bit	no data
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon E5-2667 v4 and Atom Z550 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
Identity Protection	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2667 v4 and Atom Z550 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2667 v4 and Atom Z550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400	no data
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	76.8 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2667 v4 and Atom Z550.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Recency	20 June 2016	8 April 2009
Physical cores	8	1
Threads	16	2
Chip lithography	14 nm	45 nm
Power consumption (TDP)	135 Watt	2 Watt

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Should you still have questions on choice between Xeon E5-2667 v4 and Atom Z550, ask them in Comments section, and we shall answer.

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