Xeon E5-1603 v3 vs i5-11400F

Primary details

Comparing Core i5-11400F and Xeon E5-1603 v3 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	719	1675
Place by popularity	38	not in top-100
Cost-effectiveness evaluation	39.69	no data
Market segment	Desktop processor	Server
Power efficiency	15.61	1.88
Architecture codename	Rocket Lake (2021)	Haswell-EP (2014−2015)
Release date	16 March 2021 (3 years ago)	8 September 2014 (10 years ago)
Launch price (MSRP)	$157	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i5-11400F and Xeon E5-1603 v3 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	4
Base clock speed	2.6 GHz	2.8 GHz
Boost clock speed	4.4 GHz	2.8 GHz
Bus rate	8 GT/s	0 GT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	12 MB (shared)	10 MB (shared)
Chip lithography	14 nm	22 nm
Die size	276 mm2	356 mm2
Maximum core temperature	100 °C	67 °C
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	2,600 million
64 bit support	+	+
Windows 11 compatibility	+	-
VID voltage range	no data	0.65–1.3V

Compatibility

Information on Core i5-11400F and Xeon E5-1603 v3 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	FCLGA2011-3
Power consumption (TDP)	65 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-11400F and Xeon E5-1603 v3. 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® AVX2
AES-NI	+	+
FMA	+	-
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	-
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	+	-

Security technologies

Core i5-11400F and Xeon E5-1603 v3 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-11400F and Xeon E5-1603 v3 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-11400F and Xeon E5-1603 v3. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1333, DDR4-1600, DDR4-1866
Maximum memory size	128 GB	768 GB
Max memory channels	2	4
Maximum memory bandwidth	50 GB/s	59 GB/s
ECC memory support	-	+

Peripherals

Specifications and connection of peripherals supported by Core i5-11400F and Xeon E5-1603 v3.

PCIe version	4.0	3.0
PCI Express lanes	20	40

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	11.13	2.89
Recency	16 March 2021	8 September 2014
Physical cores	6	4
Threads	12	4
Chip lithography	14 nm	22 nm
Power consumption (TDP)	65 Watt	140 Watt

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Should you still have questions on choice between Core i5-11400F and Xeon E5-1603 v3, ask them in Comments section, and we shall answer.

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