Xeon E5-4655 v4 vs E5-2670 v2

Primary details

Comparing Xeon E5-2670 v2 and Xeon E5-4655 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	897	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	12.56	no data
Market segment	Server	Server
Series	no data	Intel Xeon E5
Architecture codename	Ivy Bridge-EP (2013)	Broadwell (2015−2019)
Release date	1 September 2013 (10 years ago)	20 June 2016 (7 years ago)
Launch price (MSRP)	$927	$4,616
Current price	$111 (0.1x MSRP)	$119 (0x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2670 v2 and Xeon E5-4655 v4 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)	8 (Octa-Core)
Threads	20	16
Base clock speed	2.5 GHz	2.5 GHz
Boost clock speed	3.3 GHz	3.2 GHz
Bus support	no data	2 × 9.6 GT/s
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	2 MB
L3 cache	25 MB (shared)	30 MB
Chip lithography	22 nm	14 nm
Die size	160 mm2	246.24 mm2
Maximum core temperature	82 °C	82 °C
Number of transistors	1,400 million	3200 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2670 v2 and Xeon E5-4655 v4 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	4
Socket	FCLGA2011	FCLGA2011
Power consumption (TDP)	115 Watt	135 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2670 v2 and Xeon E5-4655 v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	-
Demand Based Switching	+	no data
PAE	46 Bit	46 Bit
Instruction Replay	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon E5-2670 v2 and Xeon E5-4655 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	-	no data
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2670 v2 and Xeon E5-4655 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2670 v2 and Xeon E5-4655 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	768 GB	1.5 TB
Max memory channels	4	4
Maximum memory bandwidth	59.7 GB/s	68 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2670 v2 and Xeon E5-4655 v4.

PCIe version	3.0	3.0
PCI Express lanes	40	40

Pros & cons summary

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Recency	1 September 2013	20 June 2016
Physical cores	10	8
Threads	20	16
Cost	$927	$4616
Chip lithography	22 nm	14 nm
Power consumption (TDP)	115 Watt	135 Watt

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