Celeron 837 vs Xeon E5620

Primary details

Comparing Xeon E5620 and Celeron 837 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1779	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	no data
Market segment	Server	Laptop
Series	no data	Intel Celeron
Architecture codename	Westmere-EP (2010−2011)	Sandy Bridge (2011−2013)
Release date	16 March 2010 (14 years ago)	no data
Launch price (MSRP)	$35	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5620 and Celeron 837 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)	2 (Dual-core)
Threads	8	2
Base clock speed	2.4 GHz	no data
Boost clock speed	2.66 GHz	1.8 GHz
Bus type	no data	DMI 2.0
Bus rate	no data	4 × 5 GT/s
Multiplier	no data	18
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	12 MB (shared)	2 MB
Chip lithography	32 nm	32 nm
Die size	239 mm2	131 mm2
Maximum core temperature	78 °C	no data
Number of transistors	1,170 million	504 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E5620 and Celeron 837 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	1 (Uniprocessor)
Socket	FCLGA1366,LGA1366	no data
Power consumption (TDP)	80 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5620 and Celeron 837. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	-
FMA	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	no data

Security technologies

Xeon E5620 and Celeron 837 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5620 and Celeron 837 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5620 and Celeron 837. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3-1333
Maximum memory size	288 GB	16 GB
Max memory channels	3	2
Maximum memory bandwidth	25.6 GB/s	21.335 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics (Sandy Bridge)

Peripherals

Specifications and connection of peripherals supported by Xeon E5620 and Celeron 837.

PCIe version

2.0

no data

Pros & cons summary

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Physical cores	4	2
Threads	8	2
Power consumption (TDP)	80 Watt	17 Watt

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