Xeon D-1813NT vs Core 2 Extreme QX6800

Primary details

Comparing Core 2 Extreme QX6800 and Xeon D-1813NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	1237
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	no data	10.97
Architecture codename	Kentsfield (2007)	no data
Release date	April 2007 (17 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Core 2 Extreme QX6800 and Xeon D-1813NT 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)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.93 GHz	2.2 GHz
Boost clock speed	2.93 GHz	2.4 GHz
Bus rate	1066 MHz	no data
L1 cache	64K (per core)	no data
L2 cache	8 MB (shared)	no data
L3 cache	0 KB	10240 KB
Chip lithography	65 nm	no data
Die size	2x 143 mm2	no data
Maximum core temperature	65 °C	no data
Number of transistors	582 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-
VID voltage range	0.85V-1.5V	no data

Compatibility

Information on Core 2 Extreme QX6800 and Xeon D-1813NT 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	1	no data
Socket	LGA775	FCBGA2227
Power consumption (TDP)	130 Watt	42 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX6800 and Xeon D-1813NT. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Demand Based Switching	-	no data
FSB parity	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Extreme QX6800 and Xeon D-1813NT technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
SGX	no data	Yes with Intel® SPS

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX6800 and Xeon D-1813NT are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX6800 and Xeon D-1813NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4
Maximum memory size	no data	256 GB
Max memory channels	no data	2
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX6800 and Xeon D-1813NT.

PCIe version	no data	4.0
PCI Express lanes	no data	16
USB revision	no data	3.0
Max number of SATA 6 Gb/s Ports	no data	24
Number of USB ports	no data	4
Integrated LAN	no data	+

Pros & cons summary

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Threads	4	8
Power consumption (TDP)	130 Watt	42 Watt

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Should you still have questions on choice between Core 2 Extreme QX6800 and Xeon D-1813NT, ask them in Comments section, and we shall answer.

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