Xeon D-2766NT vs E5-2660 v3

Primary details

Comparing Xeon E5-2660 v3 and Xeon D-2766NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	909	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	7.44	no data
Architecture codename	Haswell-EP (2014−2015)	no data
Release date	8 September 2014 (10 years ago)	1 January 2022 (2 years ago)

Detailed specifications

Xeon E5-2660 v3 and Xeon D-2766NT 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)	14 (Tetradeca-Core)
Threads	20	28
Base clock speed	2.6 GHz	2 GHz
Boost clock speed	3.3 GHz	3.1 GHz
Bus rate	9.6 GT/s	no data
L1 cache	64K (per core)	no data
L2 cache	256K (per core)	no data
L3 cache	25 MB (shared)	20 MB
Chip lithography	22 nm	10 nm
Die size	356 mm2	no data
Maximum core temperature	79 °C	no data
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5-2660 v3 and Xeon D-2766NT 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	no data
Socket	FCLGA2011	FCBGA2579
Power consumption (TDP)	105 Watt	97 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2660 v3 and Xeon D-2766NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	Intel® AVX-512
AES-NI	+	+
AVX	+	-
vPro	+	no data
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
Deep Learning Boost	-	+

Security technologies

Xeon E5-2660 v3 and Xeon D-2766NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
SGX	no data	Yes with Intel® SPS
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2660 v3 and Xeon D-2766NT are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2660 v3 and Xeon D-2766NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133	DDR4
Maximum memory size	768 GB	1 TB
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2660 v3 and Xeon D-2766NT.

PCIe version	3.0	4.0
PCI Express lanes	40	32
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

---

Recency	8 September 2014	1 January 2022
Physical cores	10	14
Threads	20	28
Chip lithography	22 nm	10 nm
Power consumption (TDP)	105 Watt	97 Watt

---

Should you still have questions on choice between Xeon E5-2660 v3 and Xeon D-2766NT, 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.

---