Xeon E5-2670 v4 vs Core 2 Duo T6400

Primary details

Comparing Core 2 Duo T6400 and Xeon E5-2670 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2940	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core 2 Duo	Intel Xeon E5
Power efficiency	1.24	no data
Architecture codename	Penryn (2008−2011)	Broadwell (2015−2019)
Release date	1 January 2009 (15 years ago)	20 June 2016 (8 years ago)

Detailed specifications

Core 2 Duo T6400 and Xeon E5-2670 v4 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	2 (Dual-core)	14 (Tetradeca-Core)
Threads	2	28
Base clock speed	2 GHz	no data
Boost clock speed	2 GHz	3.1 GHz
Bus type	no data	QPI
Bus rate	800 MHz	2 × 9.6 GT/s
Multiplier	no data	31
L2 cache	2 MB	3.5 MB
L3 cache	2 MB L2 Cache	35 MB
Chip lithography	45 nm	14 nm
Die size	no data	306.18 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	4700 Million
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	1V-1.25V	no data

Compatibility

Information on Core 2 Duo T6400 and Xeon E5-2670 v4 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	no data	2 (Multiprocessor)
Socket	PGA478	no data
Power consumption (TDP)	35 Watt	120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Xeon E5-2670 v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Duo T6400 and Xeon E5-2670 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Xeon E5-2670 v4 are enumerated here.

VT-x

-

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Xeon E5-2670 v4. Depending on the motherboard, higher memory frequencies may be supported.

Maximum memory size

no data

1,536 GB

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Xeon E5-2670 v4.

PCIe version	no data	3.0
PCI Express lanes	no data	40

Pros & cons summary

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Recency	1 January 2009	20 June 2016
Physical cores	2	14
Threads	2	28
Chip lithography	45 nm	14 nm
Power consumption (TDP)	35 Watt	120 Watt

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