i3-11100B vs Xeon E5-1603

Primary details

Comparing Xeon E5-1603 and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1837	987
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Power efficiency	1.59	10.41
Release date	1 January 2012 (12 years ago)	1 April 2021 (3 years ago)

Detailed specifications

Xeon E5-1603 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	4 (Quad-Core)	4 (Quad-Core)
Threads	4	8
Base clock speed	2.8 GHz	3.6 GHz
Boost clock speed	no data	4.4 GHz
Bus rate	0 GT/s	8 GT/s
L3 cache	10 MB	12 MB
Chip lithography	32 nm	10 nm SuperFin
Maximum core temperature	64 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-
VID voltage range	0.6V - 1.35V	no data

Compatibility

Information on Xeon E5-1603 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	FCLGA2011	no data
Power consumption (TDP)	130 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-1603 and Core i3-11100B. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E5-1603 and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-1603 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 E5-1603 and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	Up to 3200 MT/s
Maximum memory size	375 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	31.4 GB/s	45.8 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	1.4 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Xeon E5-1603 and Core i3-11100B integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E5-1603 and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Xeon E5-1603 and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5-1603 and Core i3-11100B.

PCIe version	3.0	3.0
PCI Express lanes	40	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.

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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.

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Pros & cons summary

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Performance score	2.18	7.15
Recency	1 January 2012	1 April 2021
Threads	4	8
Chip lithography	32 nm	10 nm
Power consumption (TDP)	130 Watt	65 Watt

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Should you still have questions on choice between Xeon E5-1603 and Core i3-11100B, ask them in Comments section, and we shall answer.

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