Xeon W-11855M vs D-2187NT

Place in the ranking	685	680
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.06	no data
Market segment	Server	Server
Series	Intel Xeon D	Intel Tiger Lake
Power efficiency	9.79	30.88
Architecture codename	Skylake (server) (2017−2018)	Tiger Lake-H (2021)
Release date	7 February 2018 (6 years ago)	11 May 2021 (3 years ago)
Launch price (MSRP)	$1,989	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon D-2187NT and Xeon W-11855M 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	16 (Hexadeca-Core)	6 (Hexa-Core)
Threads	32	12
Base clock speed	2 GHz	3.2 GHz
Boost clock speed	3 GHz	4.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	20	no data
L1 cache	1 MB	96K (per core)
L2 cache	16 MB	1.25 MB (per core)
L3 cache	22 MB	18 MB (shared)
Chip lithography	14 nm	10 nm SuperFin
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon D-2187NT and Xeon W-11855M 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
Socket	FCBGA2518	FCBGA1787
Power consumption (TDP)	110 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2187NT and Xeon W-11855M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	-	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
QuickAssist	+	no data
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
SIPP	-	+
Turbo Boost Max 3.0	-	+
Deep Learning Boost	-	+

Security technologies

Xeon D-2187NT and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2187NT and Xeon W-11855M are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2187NT and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4
Maximum memory size	512 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	51.2 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	-	+
Graphics max frequency	no data	1.45 GHz
Execution Units	no data	32

Graphics interfaces

Available interfaces and connections of Xeon D-2187NT and Xeon W-11855M integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Xeon D-2187NT and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096x2304@60Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	7680x4320@60Hz

Graphics API support

APIs supported by Xeon D-2187NT and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon D-2187NT and Xeon W-11855M.

PCIe version	3.0	4.0
PCI Express lanes	32	20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

Xeon D-2187NT 11.38

Xeon W-11855M 11.42
+0.4%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon D-2187NT 18070

Xeon W-11855M 18148
+0.4%

Gaming performance

Pros & cons summary

Performance score	11.38	11.42
Recency	7 February 2018	11 May 2021
Physical cores	16	6
Threads	32	12
Chip lithography	14 nm	10 nm
Power consumption (TDP)	110 Watt	35 Watt

Xeon D-2187NT has 166.7% more physical cores and 166.7% more threads.

Xeon W-11855M, on the other hand, has a 0.4% higher aggregate performance score, an age advantage of 3 years, a 40% more advanced lithography process, and 214.3% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon D-2187NT and Xeon W-11855M.

Should you still have questions on choice between Xeon D-2187NT and Xeon W-11855M, ask them in Comments section, and we shall answer.