Xeon E7-4820 v3 vs X5650

Primary details

Comparing Xeon X5650 and Xeon E7-4820 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1413	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.25	no data
Market segment	Server	Server
Architecture codename	Westmere-EP (2010−2011)	Haswell-EX (2015)
Release date	16 March 2010 (14 years ago)	1 June 2015 (9 years ago)
Launch price (MSRP)	$53	no data
Current price	$28 (0.5x MSRP)	$1109

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon X5650 and Xeon E7-4820 v3 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	6 (Hexa-Core)	10 (Deca-Core)
Threads	12	20
Base clock speed	2.66 GHz	1.9 GHz
Boost clock speed	3.06 GHz	1.9 GHz
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	256K (per core)
L3 cache	12 MB (shared)	25 MB (shared)
Chip lithography	32 nm	22 nm
Die size	239 mm2	160 mm2
Maximum core temperature	81 °C	70 °C
Maximum case temperature (TCase)	no data	70 °C
Number of transistors	1,170 million	1,400 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon X5650 and Xeon E7-4820 v3 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	FCLGA1366,LGA1366	FCLGA2011
Power consumption (TDP)	95 Watt	115 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5650 and Xeon E7-4820 v3. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® AVX2
AES-NI	+	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	-
Hyper-Threading Technology	+	+
TSX	no data	+
Idle States	+	+
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	46 Bit
Instruction Replay	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon X5650 and Xeon E7-4820 v3 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 X5650 and Xeon E7-4820 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5650 and Xeon E7-4820 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333
Maximum memory size	288 GB	1.5 TB
Max memory channels	3	4
Maximum memory bandwidth	32 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon X5650 and Xeon E7-4820 v3.

PCIe version	2.0	3.0
PCI Express lanes	no data	32

Pros & cons summary

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Recency	16 March 2010	1 June 2015
Physical cores	6	10
Threads	12	20
Chip lithography	32 nm	22 nm
Power consumption (TDP)	95 Watt	115 Watt

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