Xeon Gold 6346 vs Core 2 Quad Q8400s

Primary details

Comparing Core 2 Quad Q8400s and Xeon Gold 6346 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	186
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	14.95
Market segment	Desktop processor	Server
Architecture codename	Yorkfield (2007−2009)	Ice Lake-SP (2021)
Release date	April 2009 (15 years ago)	6 April 2021 (3 years ago)
Current price	$99	$2861

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core 2 Quad Q8400s and Xeon Gold 6346 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)	16 (Hexadeca-Core)
Threads	4	32
Base clock speed	2.66 GHz	3.1 GHz
Boost clock speed	2.67 GHz	3.6 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	4 MB (shared)	1 MB (per core)
L3 cache	0 KB	36 MB (shared)
Chip lithography	45 nm	10 nm
Die size	2x 81 mm2	no data
Maximum core temperature	76 °C	78 °C
Maximum case temperature (TCase)	76 °C	78 °C
Number of transistors	456 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q8400s and Xeon Gold 6346 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	2
Socket	FCLGA775,LGA775	FCLGA4189
Power consumption (TDP)	65 Watt	205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400s and Xeon Gold 6346. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	no data	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	-	+
TSX	no data	+
Idle States	+	no data
Thermal Monitoring	+	no data
Demand Based Switching	-	no data
Status	Discontinued	Launched

Security technologies

Core 2 Quad Q8400s and Xeon Gold 6346 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 Quad Q8400s and Xeon Gold 6346 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 Quad Q8400s and Xeon Gold 6346. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-3200
Maximum memory size	no data	6 TB
Max memory channels	no data	8
ECC memory support	no data	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400s and Xeon Gold 6346.

PCIe version	no data	4.0
PCI Express lanes	no data	64

Pros & cons summary

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Physical cores	4	16
Threads	4	32
Chip lithography	45 nm	10 nm
Power consumption (TDP)	65 Watt	205 Watt

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Should you still have questions on choice between Core 2 Quad Q8400s and Xeon Gold 6346, ask them in Comments section, and we shall answer.

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