Xeon Platinum 9221 vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Xeon Platinum 9221 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2241	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Series	no data	Intel Xeon Platinum
Power efficiency	1.33	no data
Architecture codename	Yorkfield (2007−2009)	Cascade Lake-AP (2019)
Release date	August 2008 (16 years ago)	2 April 2019 (5 years ago)

Detailed specifications

Core 2 Quad Q9400 and Xeon Platinum 9221 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)	32 (Dotriaconta-Core)
Threads	4	64
Base clock speed	2.66 GHz	2.3 GHz
Boost clock speed	2.67 GHz	3.7 GHz
Bus type	no data	DMI 3.0
Bus rate	1333 MHz	4 × 8 GT/s
Multiplier	no data	21
L1 cache	64K (per core)	64K (per core)
L2 cache	6 MB (shared)	1 MB (per core)
L3 cache	0 KB	71.5 MB (shared)
Chip lithography	45 nm	14 nm
Die size	2x 81 mm2	no data
Maximum case temperature (TCase)	71 °C	no data
Number of transistors	456 million	8,000 million
64 bit support	+	+
Windows 11 compatibility	-	+
VID voltage range	0.85V-1.3625V	no data

Compatibility

Information on Core 2 Quad Q9400 and Xeon Platinum 9221 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	8
Socket	LGA775	Intel BGA5903
Power consumption (TDP)	95 Watt	250 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Xeon Platinum 9221. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® AVX-512
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
FSB parity	-	no data

Security technologies

Core 2 Quad Q9400 and Xeon Platinum 9221 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 Quad Q9400 and Xeon Platinum 9221 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Xeon Platinum 9221. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR1, DDR2, DDR3	DDR4-2933
Maximum memory size	no data	2 TiB
Max memory channels	no data	12
Maximum memory bandwidth	no data	281.6 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Xeon Platinum 9221.

PCIe version

no data

3.0

Pros & cons summary

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Physical cores	4	32
Threads	4	64
Chip lithography	45 nm	14 nm
Power consumption (TDP)	95 Watt	250 Watt

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Should you still have questions on choice between Core 2 Quad Q9400 and Xeon Platinum 9221, ask them in Comments section, and we shall answer.

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