Xeon D-1846 vs i7-3820

Primary details

Comparing Core i7-3820 and Xeon D-1846 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1488	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.32	no data
Market segment	Desktop processor	Server
Power efficiency	2.64	no data
Architecture codename	Sandy Bridge-E (2011−2013)	no data
Release date	February 2012 (12 years ago)	1 October 2023 (1 year ago)
Launch price (MSRP)	$400	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-3820 and Xeon D-1846 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	4 (Quad-Core)	10 (Deca-Core)
Threads	8	20
Base clock speed	3.6 GHz	2 GHz
Boost clock speed	3.8 GHz	3.1 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	10240 KB (shared)	15360 KB
Chip lithography	32 nm	no data
Die size	294 mm2	no data
Maximum case temperature (TCase)	67 °C	no data
Number of transistors	1270 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Core i7-3820 and Xeon D-1846 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	1	no data
Socket	FCLGA2011	FCBGA2227
Power consumption (TDP)	130 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Xeon D-1846. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX	Intel® AVX-512
AES-NI	+	+
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Smart Response	+	no data
Demand Based Switching	-	no data
Deep Learning Boost	-	+

Security technologies

Core i7-3820 and Xeon D-1846 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Identity Protection	+	-
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Xeon D-1846 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and Xeon D-1846. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	64.23 GB	256 GB
Max memory channels	4	2
Maximum memory bandwidth	51.2 GB/s	no data
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Xeon D-1846.

PCIe version	2.0	4.0
PCI Express lanes	40	16
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

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Physical cores	4	10
Threads	8	20
Power consumption (TDP)	130 Watt	55 Watt

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Should you still have questions on choice between Core i7-3820 and Xeon D-1846, ask them in Comments section, and we shall answer.

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