Xeon W-11855M vs Platinum 9282

Primary details

Comparing Xeon Platinum 9282 and Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	675
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon Platinum	Intel Tiger Lake
Power efficiency	no data	30.92
Architecture codename	Cascade Lake-AP (2019)	Tiger Lake-H (2021)
Release date	2 April 2019 (5 years ago)	11 May 2021 (3 years ago)

Detailed specifications

Xeon Platinum 9282 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	56 (Hexapentaconta-Core)	6 (Hexa-Core)
Threads	112	12
Base clock speed	2.6 GHz	3.2 GHz
Boost clock speed	3.8 GHz	4.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	26	no data
L1 cache	3.5 MB	96K (per core)
L2 cache	56 MB	1.25 MB (per core)
L3 cache	77 MB (shared)	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
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Platinum 9282 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	8	1
Socket	Intel BGA5903	FCBGA1787
Power consumption (TDP)	400 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 9282 and Xeon W-11855M. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Platinum 9282 and Xeon W-11855M technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 9282 and Xeon W-11855M are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 9282 and Xeon W-11855M. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR4
Maximum memory size	2 TiB	128 GB
Max memory channels	12	2
Maximum memory bandwidth	281.6 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 Platinum 9282 and Xeon W-11855M integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon Platinum 9282 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 Platinum 9282 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 Platinum 9282 and Xeon W-11855M.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Recency	2 April 2019	11 May 2021
Physical cores	56	6
Threads	112	12
Chip lithography	14 nm	10 nm
Power consumption (TDP)	400 Watt	35 Watt

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