Core 2 Duo T5800 vs Xeon E5-2678 v3

Primary details

Comparing Xeon E5-2678 v3 and Core 2 Duo T5800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	752	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	6.87	no data
Market segment	Server	Laptop
Series	Xeon	Intel Core 2 Duo
Architecture codename	Haswell (2013−2015)	Merom (2006−2008)
Release date	2015 (9 years ago)	1 October 2008 (15 years ago)
Current price	$146	$44

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5-2678 v3 and Core 2 Duo T5800 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	12 (Dodeca-Core)	2 (Dual-core)
Threads	24	2
Base clock speed	2.5 GHz	2 GHz
Boost clock speed	3.3 GHz	2 GHz
Bus support	no data	800 MHz
L1 cache	384 KB	no data
L2 cache	3072 KB	2 MB
L3 cache	30 MB	2 MB L2 Cache
Chip lithography	22 nm	65 nm
Die size	356 mm2	143 mm2
Maximum core temperature	no data	85 °C
Maximum case temperature (TCase)	84 °C	no data
Number of transistors	5,560 million	291 Million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	1.075V-1.175V

Compatibility

Information on Xeon E5-2678 v3 and Core 2 Duo T5800 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	no data
Socket	LGA2011-3	PPGA478
Power consumption (TDP)	120 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2678 v3 and Core 2 Duo T5800. You'll probably need this information if you require some particular technology.

AES-NI	+	no data
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
TSX	+	no data
Demand Based Switching	no data	-
AMT	no data	+
FSB parity	no data	-
Status	no data	Discontinued

Security technologies

Xeon E5-2678 v3 and Core 2 Duo T5800 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2678 v3 and Core 2 Duo T5800 are enumerated here.

VT-d	+	no data
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2678 v3 and Core 2 Duo T5800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3, DDR4

no data

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2678 v3 and Core 2 Duo T5800.

PCIe version	3.0	no data
PCI Express lanes	40	no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Pros & cons summary

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Physical cores	12	2
Threads	24	2
Chip lithography	22 nm	65 nm
Power consumption (TDP)	120 Watt	35 Watt

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Should you still have questions on choice between Xeon E5-2678 v3 and Core 2 Duo T5800, ask them in Comments section, and we shall answer.

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