Atom C3708 vs Xeon E5-2670

Primary details

Comparing Xeon E5-2670 and Atom C3708 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1065	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.77	no data
Market segment	Server	Server
Series	no data	Intel Atom
Architecture codename	Sandy Bridge-EP (2012)	Goldmont (2016−2017)
Release date	6 March 2012 (12 years ago)	15 August 2017 (6 years ago)
Launch price (MSRP)	$145	$209
Current price	$58 (0.4x MSRP)	$627 (3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2670 and Atom C3708 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)	8 (Octa-Core)
Threads	16	8
Base clock speed	2.6 GHz	1.7 GHz
Boost clock speed	3.3 GHz	1.7 GHz
L1 cache	64 KB (per core)	448 KB
L2 cache	256 KB (per core)	16 MB
L3 cache	20480 KB (shared)	16 MB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	80 °C	85 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2670 and Atom C3708 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
Socket	FCLGA2011	FCBGA1310
Power consumption (TDP)	115 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2670 and Atom C3708. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
AVX	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	-	no data
Demand Based Switching	+	no data
Status	Discontinued	Launched

Security technologies

Xeon E5-2670 and Atom C3708 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2670 and Atom C3708 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 and Atom C3708. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4: 2133
Maximum memory size	384 GB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	34.134 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2670 and Atom C3708.

PCIe version	3.0	3
PCI Express lanes	40	16
USB revision	no data	3
Total number of SATA ports	no data	16
Max number of SATA 6 Gb/s Ports	no data	16
Number of USB ports	no data	8
Integrated LAN	no data	4x10/2.5/1 GBE

Pros & cons summary

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Recency	6 March 2012	15 August 2017
Threads	16	8
Cost	$145	$209
Chip lithography	32 nm	14 nm
Power consumption (TDP)	115 Watt	17 Watt

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