Xeon Gold 6558Q vs Core 2 Duo T6400

Primary details

Comparing Core 2 Duo T6400 and Xeon Gold 6558Q 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	no data
Power efficiency	1.24	no data
Architecture codename	Penryn (2008−2011)	no data
Release date	1 January 2009 (15 years ago)	1 October 2023 (1 year ago)

Detailed specifications

Core 2 Duo T6400 and Xeon Gold 6558Q 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)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	2 GHz	3.2 GHz
Boost clock speed	2 GHz	4.1 GHz
Bus rate	800 MHz	no data
L2 cache	2 MB	no data
L3 cache	2 MB L2 Cache	60 MB
Chip lithography	45 nm	Intel 7 nm
Maximum core temperature	105 °C	66 °C
64 bit support	+	-
Windows 11 compatibility	-	no data
VID voltage range	1V-1.25V	no data

Compatibility

Information on Core 2 Duo T6400 and Xeon Gold 6558Q 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.

Socket	PGA478	FCLGA4677
Power consumption (TDP)	35 Watt	350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T6400 and Xeon Gold 6558Q. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	-	+
Demand Based Switching	-	no data
Deep Learning Boost	-	+

Security technologies

Core 2 Duo T6400 and Xeon Gold 6558Q technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Xeon Gold 6558Q are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Xeon Gold 6558Q. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR5-5200
Maximum memory size	no data	4 TB
Max memory channels	no data	8
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T6400 and Xeon Gold 6558Q.

PCIe version	no data	5.0
PCI Express lanes	no data	80

Pros & cons summary

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Recency	1 January 2009	1 October 2023
Physical cores	2	32
Threads	2	64
Power consumption (TDP)	35 Watt	350 Watt

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Should you still have questions on choice between Core 2 Duo T6400 and Xeon Gold 6558Q, ask them in Comments section, and we shall answer.

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