Core 2 Quad Q9550s vs Xeon D-2141I

Primary details

Comparing Xeon D-2141I and Core 2 Quad Q9550s processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	888	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.50	no data
Market segment	Server	Desktop processor
Series	Intel Xeon D	no data
Architecture codename	Skylake (server) (2017−2019)	Yorkfield (2007−2009)
Release date	7 February 2018 (6 years ago)	January 2009 (15 years ago)
Launch price (MSRP)	$555	no data
Current price	$1786 (3.2x MSRP)	$90

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2141I and Core 2 Quad Q9550s 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	2.2 GHz	2.83 GHz
Boost clock speed	3 GHz	2.83 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	512 KB	64K (per core)
L2 cache	8 MB	12 MB (shared)
L3 cache	11 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	no data	2x 107 mm2
Maximum core temperature	no data	76 °C
Maximum case temperature (TCase)	no data	76 °C
Number of transistors	no data	820 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon D-2141I and Core 2 Quad Q9550s 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	1
Socket	FCBGA2518	LGA775
Power consumption (TDP)	65 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2141I and Core 2 Quad Q9550s. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon D-2141I and Core 2 Quad Q9550s technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	no data
MPX	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2141I and Core 2 Quad Q9550s are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2141I and Core 2 Quad Q9550s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR1, DDR2, DDR3
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon D-2141I and Core 2 Quad Q9550s.

PCIe version	3.0	no data
PCI Express lanes	32	no data

Pros & cons summary

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Physical cores	8	4
Threads	16	4
Chip lithography	14 nm	45 nm

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Should you still have questions on choice between Xeon D-2141I and Core 2 Quad Q9550s, ask them in Comments section, and we shall answer.

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