Atom C3950 vs Xeon X3470

Primary details

Comparing Xeon X3470 and Atom C3950 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1887	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Atom
Power efficiency	2.05	no data
Architecture codename	no data	Goldmont (2016−2017)
Release date	1 July 2009 (15 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	no data	$389

Detailed specifications

Xeon X3470 and Atom C3950 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)	16 (Hexadeca-Core)
Threads	8	16
Base clock speed	2.93 GHz	1.7 GHz
Boost clock speed	3.6 GHz	2.2 GHz
Multiplier	no data	17
L1 cache	no data	896 KB
L2 cache	no data	16 MB
L3 cache	8 MB Intel® Smart Cache	16 MB
Chip lithography	45 nm	14 nm
Maximum core temperature	73 °C	78 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon X3470 and Atom C3950 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	1	1 (Uniprocessor)
Socket	FCLGA1156,LGA1156	FCBGA1310
Power consumption (TDP)	95 Watt	24 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X3470 and Atom C3950. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	-
Idle States	+	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data

Security technologies

Xeon X3470 and Atom C3950 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X3470 and Atom C3950 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X3470 and Atom C3950. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333	DDR4: 2400
Maximum memory size	32 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	38.397 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X3470 and Atom C3950.

PCIe version	2.0	3
PCI Express lanes	16	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	2x10/2.5/1 GBE + 2x1 GBE

Pros & cons summary

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Recency	1 July 2009	15 August 2017
Physical cores	4	16
Threads	8	16
Chip lithography	45 nm	14 nm
Power consumption (TDP)	95 Watt	24 Watt

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