Atom C3758 vs Xeon E5-2620

Primary details

Comparing Xeon E5-2620 and Atom C3758 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1484	1570
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.73	0.36
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)	$36	$193
Current price	$72 (2x MSRP)	$1359 (7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2620 has 381% better value for money than Atom C3758.

Detailed specifications

Xeon E5-2620 and Atom C3758 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	6 (Hexa-Core)	8 (Octa-Core)
Threads	12	8
Base clock speed	2 GHz	2.2 GHz
Boost clock speed	2.5 GHz	2.2 GHz
L1 cache	64 KB (per core)	448 KB
L2 cache	256 KB (per core)	16 MB
L3 cache	15360 KB (shared)	16 MB
Chip lithography	32 nm	14 nm
Die size	435 mm2	no data
Maximum core temperature	77 °C	82 °C
Number of transistors	2,270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2620 and Atom C3758 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)	95 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2620 and Atom C3758. 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	1.0	-
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 E5-2620 and Atom C3758 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 E5-2620 and Atom C3758 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2620 and Atom C3758. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4: 2400
Maximum memory size	384 GB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	42.6 GB/s	34.134 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2620 and Atom C3758.

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

Synthetic benchmark performance

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

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E5-2620 outperforms Atom C3758 by 15% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	3.42	2.98
Recency	6 March 2012	15 August 2017
Physical cores	6	8
Threads	12	8
Cost	$36	$193
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	25 Watt

---

Should you still have questions on choice between Xeon E5-2620 and Atom C3758, 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.

---