i3-11100B vs Xeon W-11855M

Place in the ranking	680	987
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	Intel Tiger Lake	no data
Power efficiency	30.88	10.41
Architecture codename	Tiger Lake-H (2021)	no data
Release date	11 May 2021 (3 years ago)	1 April 2021 (3 years ago)

Detailed specifications

Xeon W-11855M and Core i3-11100B 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	6 (Hexa-Core)	4 (Quad-Core)
Threads	12	8
Base clock speed	3.2 GHz	3.6 GHz
Boost clock speed	4.9 GHz	4.4 GHz
Bus rate	8 GT/s	8 GT/s
L1 cache	96K (per core)	no data
L2 cache	1.25 MB (per core)	no data
L3 cache	18 MB (shared)	12 MB
Chip lithography	10 nm SuperFin	10 nm SuperFin
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon W-11855M and Core i3-11100B 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	FCBGA1787	no data
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-11855M and Core i3-11100B. 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
AES-NI	+	+
FMA	+	-
AVX	+	-
vPro	+	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	no data	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	+	+
Turbo Boost Max 3.0	+	+
Deep Learning Boost	+	+

Security technologies

Xeon W-11855M and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	no data	+
Secure Key	+	+
Identity Protection	-	+
SGX	-	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-11855M and Core i3-11100B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-11855M and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	Up to 3200 MT/s
Maximum memory size	128 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	51.2 GB/s	45.8 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® UHD Graphics for 11th Gen Intel® Processors	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	+	+
Graphics max frequency	1.45 GHz	1.4 GHz
Execution Units	32	16

Graphics interfaces

Available interfaces and connections of Xeon W-11855M and Core i3-11100B integrated GPUs.

Number of displays supported	4	4
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Xeon W-11855M and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	4096x2304@60Hz	4096 x 2304@30Hz
Max resolution over eDP	4096x2304@60Hz	4096 x 2304@60Hz
Max resolution over DisplayPort	7680x4320@60Hz	4096 x 2304@60Hz

Graphics API support

APIs supported by Xeon W-11855M and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectX	12.1	12
OpenGL	4.6	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon W-11855M and Core i3-11100B.

PCIe version	4.0	3.0
PCI Express lanes	20	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.

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 W-11855M 11.42
+59.7%

i3-11100B 7.15

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 W-11855M 18148
+59.8%

i3-11100B 11357

Gaming performance

Pros & cons summary

Performance score	11.42	7.15
Recency	11 May 2021	1 April 2021
Physical cores	6	4
Threads	12	8
Power consumption (TDP)	35 Watt	65 Watt

Xeon W-11855M has a 59.7% higher aggregate performance score, an age advantage of 1 month, 50% more physical cores and 50% more threads, and 85.7% lower power consumption.

The Xeon W-11855M is our recommended choice as it beats the Core i3-11100B in performance tests.

Be aware that Xeon W-11855M is a server/workstation processor while Core i3-11100B is a notebook one.

Should you still have questions on choice between Xeon W-11855M and Core i3-11100B, ask them in Comments section, and we shall answer.