Xeon E7-4850 v4 vs E7-4850

Primary details

Comparing Xeon E7-4850 and Xeon E7-4850 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon E7	no data
Architecture codename	Westmere (2010−2011)	no data
Release date	5 April 2011 (13 years ago)	1 April 2016 (8 years ago)
Launch price (MSRP)	$2,837	no data

Detailed specifications

Xeon E7-4850 and Xeon E7-4850 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)	16 (Hexadeca-Core)
Threads	20	32
Base clock speed	2 GHz	2.1 GHz
Boost clock speed	2.4 GHz	2.8 GHz
Bus type	QPI	no data
Bus rate	6.4 GT/s	8 GT/s
Multiplier	15	no data
L1 cache	640 KB	no data
L2 cache	2.56 MB	no data
L3 cache	24 MB	40 MB
Chip lithography	32 nm	14 nm
Die size	513 mm2	no data
Maximum core temperature	69 °C	69 °C
Number of transistors	2600 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E7-4850 and Xeon E7-4850 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	4 (Multiprocessor)	4
Socket	LGA1567	FCLGA2011
Power consumption (TDP)	130 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4850 and Xeon E7-4850 v4. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	no data	+
Thermal Monitoring	+	+
PAE	no data	46 Bit

Security technologies

Xeon E7-4850 and Xeon E7-4850 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-4850 and Xeon E7-4850 v4 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4850 and Xeon E7-4850 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	2 TB	3 TB
Max memory channels	4	4
Maximum memory bandwidth	34.113 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E7-4850 and Xeon E7-4850 v4.

PCIe version	no data	3.0
PCI Express lanes	no data	32

Pros & cons summary

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Recency	5 April 2011	1 April 2016
Physical cores	10	16
Threads	20	32
Chip lithography	32 nm	14 nm
Power consumption (TDP)	130 Watt	115 Watt

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