Core 2 Quad Q9400 vs Xeon Platinum 8176

Primary details

Comparing Xeon Platinum 8176 and Core 2 Quad Q9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	487	2241
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.27	no data
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	no data
Power efficiency	8.37	1.34
Architecture codename	Skylake (server) (2017−2019)	Yorkfield (2007−2009)
Release date	25 April 2017 (7 years ago)	August 2008 (16 years ago)
Launch price (MSRP)	$8,719	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8176 and Core 2 Quad Q9400 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	28 (Octacosa-Core)	4 (Quad-Core)
Threads	56	4
Base clock speed	2.1 GHz	2.66 GHz
Boost clock speed	3.8 GHz	2.67 GHz
Bus rate	no data	1333 MHz
Multiplier	21	no data
L1 cache	1.75 MB	64K (per core)
L2 cache	28 MB	6 MB (shared)
L3 cache	38.5 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	no data	2x 81 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	no data	71 °C
Number of transistors	no data	456 million
64 bit support	+	+
Windows 11 compatibility	+	-
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon Platinum 8176 and Core 2 Quad Q9400 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	8 (Multiprocessor)	1
Socket	FCLGA3647	LGA775
Power consumption (TDP)	165 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8176 and Core 2 Quad Q9400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	no data	-
Turbo Boost Max 3.0	-	no data
FSB parity	no data	-

Security technologies

Xeon Platinum 8176 and Core 2 Quad Q9400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8176 and Core 2 Quad Q9400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8176 and Core 2 Quad Q9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR1, DDR2, DDR3
Maximum memory size	768 GB	no data
Max memory channels	6	no data
Maximum memory bandwidth	128.001 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8176 and Core 2 Quad Q9400.

PCIe version	3.0	no data
PCI Express lanes	48	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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	14.65	1.35
Physical cores	28	4
Threads	56	4
Chip lithography	14 nm	45 nm
Power consumption (TDP)	165 Watt	95 Watt

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Should you still have questions on choice between Xeon Platinum 8176 and Core 2 Quad Q9400, ask them in Comments section, and we shall answer.

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