Xeon E7-4850 vs E5-2678 v3

Primary details

Comparing Xeon E5-2678 v3 and Xeon E7-4850 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	752	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.87	no data
Market segment	Server	Server
Series	Xeon	Intel Xeon E7
Architecture codename	Haswell (2013−2015)	Westmere (2010−2011)
Release date	2015 (9 years ago)	5 April 2011 (13 years ago)
Launch price (MSRP)	no data	$2,837
Current price	$146	$498 (0.2x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2678 v3 and Xeon E7-4850 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	12 (Dodeca-Core)	10 (Deca-Core)
Threads	24	20
Base clock speed	2.5 GHz	2 GHz
Boost clock speed	3.3 GHz	2.4 GHz
Bus support	no data	6.4 GT/s
L1 cache	384 KB	640 KB
L2 cache	3072 KB	2.56 MB
L3 cache	30 MB	24 MB
Chip lithography	22 nm	32 nm
Die size	356 mm2	513 mm2
Maximum core temperature	no data	69 °C
Maximum case temperature (TCase)	84 °C	no data
Number of transistors	5,560 million	2600 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5-2678 v3 and Xeon E7-4850 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	LGA2011-3	LGA1567
Power consumption (TDP)	120 Watt	130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2678 v3 and Xeon E7-4850. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	1.0
Hyper-Threading Technology	no data	+
TSX	+	no data
Thermal Monitoring	no data	+
Status	no data	Discontinued

Security technologies

Xeon E5-2678 v3 and Xeon E7-4850 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and Xeon E7-4850 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and Xeon E7-4850. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066
Maximum memory size	no data	2 TB
Max memory channels	no data	4
Maximum memory bandwidth	no data	34.113 GB/s
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2678 v3 and Xeon E7-4850.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Pros & cons summary

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Physical cores	12	10
Threads	24	20
Chip lithography	22 nm	32 nm
Power consumption (TDP)	120 Watt	130 Watt

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Should you still have questions on choice between Xeon E5-2678 v3 and Xeon E7-4850, ask them in Comments section, and we shall answer.

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