Opteron 4386 vs Xeon E5520

Primary details

Comparing Xeon E5520 and Opteron 4386 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1998	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.58	no data
Market segment	Server	Server
Architecture codename	Gainestown (2009−2010)	Seoul (2012)
Release date	March 2009 (15 years ago)	4 December 2012 (11 years ago)
Launch price (MSRP)	$19	no data
Current price	$81 (4.3x MSRP)	$32

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5520 and Opteron 4386 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)	8 (Octa-Core)
Threads	8	8
Base clock speed	2.26 GHz	3.1 GHz
Boost clock speed	2.53 GHz	3.8 GHz
L1 cache	64 KB (per core)	384 KB
L2 cache	256 KB (per core)	8192 KB
L3 cache	8 MB (shared)	8192 KB (shared)
Chip lithography	45 nm	32 nm
Die size	263 mm2	315 mm2
Maximum core temperature	72 °C	no data
Number of transistors	731 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5520 and Opteron 4386 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	2
Socket	FCLGA1366	C32
Power consumption (TDP)	80 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5520 and Opteron 4386. You'll probably need this information if you require some particular technology.

AES-NI	no data	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
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 E5520 and Opteron 4386 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 E5520 and Opteron 4386 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5520 and Opteron 4386. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	144 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	no data

Pros & cons summary

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Physical cores	4	8
Chip lithography	45 nm	32 nm
Power consumption (TDP)	80 Watt	95 Watt

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