Intel Xeon W-11855M: specs and benchmarks
- Core clock speed
- Max video memory
- Memory type
- Memory clock speed
- Maximum resolution
Intel started Intel Xeon W-11855M sales 11 May 2021. This is Tiger Lake H45 architecture desktop processor primarily aimed at office systems. It has 6 cores and 12 threads, and is based on 10 nm SuperFin manufacturing technology, with a maximum frequency of 4900 MHz and a locked multiplier.
Compatibility-wise, this is Intel BGA 1499 processor with a TDP of 35 Watt and a maximum temperature of 72 °C. It supports DDR4 memory.
It provides poor benchmark performance at
of a leader's which is AMD Ryzen Threadripper PRO 5995WX.
Of Xeon W-11855M processor market type (desktop or notebook), architecture, sales start time and pricing.
|Place in performance rating||291|
|Series||Intel Tiger Lake|
|Architecture codename||Tiger Lake H45 (2021)|
|Release date||11 May 2021 (1 year ago)|
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
|Physical cores||6 (Hexa-Core)|
|Base clock speed||3.2 GHz||of 4.7 (FX-9590)|
|Boost clock speed||4.9 GHz||of 5.5 (Core i9-12900KS)|
|L1 cache||96K (per core)||of 1536 (EPYC Embedded 3401)|
|L2 cache||1.25 MB (per core)||of 12 (Core 2 Quad Q9550)|
|L3 cache||18 MB (shared)||of 32 (Ryzen Threadripper 1998)|
|Chip lithography||10 nm SuperFin||of 5 (Apple M1)|
|Maximum core temperature||100 °C||of 110 (Atom x7-E3950)|
|Maximum case temperature (TCase)||72 °C||of 105 (Core i7-5950HQ)|
|64 bit support||+|
|Windows 11 compatibility||+|
Information on Xeon W-11855M compatibility with other computer components and devices: 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||of 8 (Opteron 842)|
|Socket||Intel BGA 1499|
|Thermal design power (TDP)||35 Watt||of 400 (Xeon Platinum 9282)|
Technologies and extensions
Technological capabilities and additional instructions supported by 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|
|Flex Memory Access||+|
|Turbo Boost Max 3.0||+|
Processor technologies aimed at improving security, for example, by protecting against hacks.
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
Types, maximum amount and channel number of RAM supported by Xeon W-11855M's memory controller. Depending on the motherboard, higher memory frequency may be supported.
|Supported memory types||DDR4||of 4800 (Ryzen 9 6980HX)|
|Maximum memory size||128 GB||of 786 (Xeon E5-2670 v3)|
|Max memory channels||2||of 12 (Xeon Platinum 9221)|
|Maximum memory bandwidth||51.2 GB/s||of 281.6 (Xeon Platinum 9221)|
|ECC memory support||+|
General parameters of GPU integrated into Xeon W-11855M.
|Integrated graphics card||Intel® UHD Graphics for 11th Gen Intel® Processors|
|Quick Sync Video||+|
|Graphics max frequency||1.45 GHz|
Available interfaces and connections of Xeon W-11855M's integrated GPU.
|Number of displays supported||4|
Graphics image quality
Maximum display resolutions supported by Xeon W-11855M's integrated GPU, including resolutions over different interfaces.
|Max resolution over HDMI 1.4||4096x2304@60Hz|
|Max resolution over eDP||4096x2304@60Hz|
|Max resolution over DisplayPort||7680x4320@60Hz|
Graphics API support
APIs supported by Xeon W-11855M's integrated GPU, sometimes API versions are included.
Specifications and connection types of supported peripherals.
|PCI Express lanes||20||of 128 (EPYC 7551P)|
Single-core and multi-core benchmark results of Xeon W-11855M. Overall benchmark performance is measured in points in 0-100 range, higher is better.
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.
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.
Overall Xeon W-11855M performance compared to nearest competitors among server CPUs.
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended graphics cards
These graphics cards are most commonly used with Xeon W-11855M according to our statistics.
Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.