Atom C3708 vs Core 2 Duo E6400

Primary details

Comparing Core 2 Duo E6400 and Atom C3708 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2903	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	no data	Intel Atom
Power efficiency	0.71	no data
Architecture codename	Conroe (2006−2007)	Goldmont (2016−2017)
Release date	July 2006 (18 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	no data	$209

Detailed specifications

Core 2 Duo E6400 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	8
Base clock speed	2.13 GHz	1.7 GHz
Boost clock speed	2.13 GHz	1.7 GHz
Bus rate	1066 MHz	no data
Multiplier	no data	17
L1 cache	64 KB	448 KB
L2 cache	2 MB	16 MB
L3 cache	0 KB	16 MB
Chip lithography	65 nm	14 nm
Die size	143 mm2	no data
Maximum core temperature	61 °C	85 °C
Number of transistors	291 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Duo E6400 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	1	1 (Uniprocessor)
Socket	LGA775,PLGA775	FCBGA1310
Power consumption (TDP)	65 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6400 and Atom C3708. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	-	no data
FSB parity	-	no data

Security technologies

Core 2 Duo E6400 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	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E6400 and Atom C3708 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6400 and Atom C3708. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4: 2133
Maximum memory size	no data	256 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	34.134 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6400 and Atom C3708.

PCIe version	no data	3
PCI Express lanes	no data	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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Physical cores	2	8
Threads	2	8
Chip lithography	65 nm	14 nm
Power consumption (TDP)	65 Watt	17 Watt

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Should you still have questions on choice between Core 2 Duo E6400 and Atom C3708, ask them in Comments section, and we shall answer.

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