Atom C3850 vs Xeon E5-2680 v2

Primary details

Comparing Xeon E5-2680 v2 and Atom C3850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	933	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.04	no data
Market segment	Server	Server
Series	no data	Intel Atom
Power efficiency	6.56	no data
Architecture codename	Ivy Bridge-EP (2013)	Goldmont (2016−2017)
Release date	1 September 2013 (11 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$1,260	$323

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2680 v2 and Atom C3850 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	10 (Deca-Core)	12 (Dodeca-Core)
Threads	20	12
Base clock speed	2.8 GHz	2.1 GHz
Boost clock speed	3.6 GHz	2.4 GHz
Bus rate	8 GT/s	no data
Multiplier	no data	21
L1 cache	64 KB (per core)	672 KB
L2 cache	256 KB (per core)	12 MB
L3 cache	25 MB (shared)	12 MB
Chip lithography	22 nm	14 nm
Die size	160 mm2	no data
Maximum core temperature	82 °C	78 °C
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5-2680 v2 and Atom C3850 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	FCBGA1310
Power consumption (TDP)	115 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2680 v2 and Atom C3850. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-2680 v2 and Atom C3850 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2680 v2 and Atom C3850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2680 v2 and Atom C3850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4: 2400
Maximum memory size	768 GB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	59.7 GB/s	34.134 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2680 v2 and Atom C3850.

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	2x10/2.5/1 GBE

Pros & cons summary

---

Recency	1 September 2013	15 August 2017
Physical cores	10	12
Threads	20	12
Chip lithography	22 nm	14 nm
Power consumption (TDP)	115 Watt	25 Watt

---

Should you still have questions on choice between Xeon E5-2680 v2 and Atom C3850, 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.

---