Xeon W-11855M vs W-1390T

Primary details

Comparing Xeon W-1390T and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	680
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	no data	Intel Tiger Lake
Power efficiency	no data	30.88
Architecture codename	no data	Tiger Lake-H (2021)
Release date	1 April 2021 (3 years ago)	11 May 2021 (3 years ago)

Detailed specifications

Xeon W-1390T 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	8 (Octa-Core)	6 (Hexa-Core)
Threads	16	12
Base clock speed	1.5 GHz	3.2 GHz
Boost clock speed	4.9 GHz	4.9 GHz
Bus rate	8 GT/s	8 GT/s
L1 cache	no data	96K (per core)
L2 cache	no data	1.25 MB (per core)
L3 cache	16 MB Intel® Smart Cache	18 MB (shared)
Chip lithography	14 nm	10 nm SuperFin
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon W-1390T 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	1
Socket	FCLGA1200	FCBGA1787
Power consumption (TDP)	35 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-1390T and Xeon W-11855M. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
FMA	-	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
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 W-1390T and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	+
Identity Protection	+	-
SGX	-	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-1390T 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 W-1390T and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	50 GB/s	51.2 GB/s
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics P750	Intel® UHD Graphics for 11th Gen Intel® Processors
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.2 GHz	1.45 GHz
Execution Units	32	32
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon W-1390T and Xeon W-11855M integrated GPUs.

Number of displays supported

3

4

Graphics image quality

Maximum display resolutions supported by Xeon W-1390T and Xeon W-11855M integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2160@60Hz	4096x2304@60Hz
Max resolution over eDP	5120 x 3200 @60Hz	4096x2304@60Hz
Max resolution over DisplayPort	5120 x 3200 @60Hz	7680x4320@60Hz

Graphics API support

APIs supported by Xeon W-1390T and Xeon W-11855M integrated GPUs, sometimes API versions are included.

DirectX	12.1	12.1
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon W-1390T and Xeon W-11855M.

PCIe version	4.0	4.0
PCI Express lanes	20	20

Pros & cons summary

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Recency	1 April 2021	11 May 2021
Physical cores	8	6
Threads	16	12
Chip lithography	14 nm	10 nm

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