i7-9800X vs Xeon W3520

Primary details

Comparing Xeon W3520 and Core i7-9800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1989	684
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.27	6.21
Market segment	Server	Desktop processor
Series	no data	Intel Core i7
Power efficiency	1.34	6.53
Architecture codename	Bloomfield (2008−2010)	Skylake (server) (2017−2019)
Release date	30 March 2009 (15 years ago)	8 October 2018 (6 years ago)
Launch price (MSRP)	$404	$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9800X has 2200% better value for money than Xeon W3520.

Detailed specifications

Xeon W3520 and Core i7-9800X 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.66 GHz	3.8 GHz
Boost clock speed	2.93 GHz	4.5 GHz
Bus type	no data	DMI 3.0
Bus rate	no data	4 × 8 GT/s
Multiplier	no data	38
L1 cache	64 KB (per core)	512 KB
L2 cache	256 KB (per core)	8 MB
L3 cache	8 MB (shared)	16.5 MB (shared)
Chip lithography	45 nm	14 nm
Die size	263 mm2	no data
Maximum core temperature	68 °C	95 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon W3520 and Core i7-9800X 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 (Uniprocessor)
Socket	FCLGA1366	FCLGA2066
Power consumption (TDP)	130 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W3520 and Core i7-9800X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Demand Based Switching	+	no data
PAE	36 Bit	no data
Turbo Boost Max 3.0	no data	+

Security technologies

Xeon W3520 and Core i7-9800X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W3520 and Core i7-9800X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W3520 and Core i7-9800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2666
Maximum memory size	24 GB	128 GB
Max memory channels	3	4
Maximum memory bandwidth	25.6 GB/s	85.33 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon W3520 and Core i7-9800X.

PCIe version	2.0	3.0
PCI Express lanes	no data	44

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	1.85	11.43
Recency	30 March 2009	8 October 2018
Physical cores	4	8
Threads	8	16
Chip lithography	45 nm	14 nm
Power consumption (TDP)	130 Watt	165 Watt

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Should you still have questions on choice between Xeon W3520 and Core i7-9800X, ask them in Comments section, and we shall answer.

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