i7-9700K vs Xeon W-2155

Primary details

Comparing Xeon W-2155 and Core i7-9700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	558	836
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.50	7.16
Market segment	Server	Desktop processor
Series	Intel Xeon W	Intel Core i7
Power efficiency	8.97	9.07
Architecture codename	Skylake (server) (2017−2018)	Coffee Lake-R (2018−2019)
Release date	29 August 2017 (7 years ago)	19 October 2018 (6 years ago)
Launch price (MSRP)	$1,440	$374

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2155 has 5% better value for money than i7-9700K.

Detailed specifications

Xeon W-2155 and Core i7-9700K 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	10 (Deca-Core)	8 (Octa-Core)
Threads	20	8
Base clock speed	3.3 GHz	3.6 GHz
Boost clock speed	4.5 GHz	4.9 GHz
Bus type	DMI 3.0	DMI 3.0
Bus rate	4 × 8 GT/s	4 × 8 GT/s
Multiplier	33	36
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	256K (per core)
L3 cache	13.75 MB (shared)	12 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	178 mm2
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	68 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon W-2155 and Core i7-9700K 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCLGA2066	LGA-1151
Power consumption (TDP)	140 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2155 and Core i7-9700K. 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	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	-	no data
SIPP	-	+
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon W-2155 and Core i7-9700K technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	+
SGX	-	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2155 and Core i7-9700K are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2155 and Core i7-9700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666	DDR4
Maximum memory size	512 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	42.671 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics 630
Max video memory	no data	64 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.2 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon W-2155 and Core i7-9700K integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Xeon W-2155 and Core i7-9700K integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2304@24Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	4096 x 2304@60Hz

Graphics API support

APIs supported by Xeon W-2155 and Core i7-9700K integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon W-2155 and Core i7-9700K.

PCIe version	3.0	3.0
PCI Express lanes	48	16

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	13.27	9.10
Recency	29 August 2017	19 October 2018
Physical cores	10	8
Threads	20	8
Power consumption (TDP)	140 Watt	95 Watt

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Should you still have questions on choice between Xeon W-2155 and Core i7-9700K, ask them in Comments section, and we shall answer.

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