i3-6100U vs Xeon E3-1280

Primary details

Comparing Xeon E3-1280 and Core i3-6100U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1519	2066
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.03	no data
Market segment	Server	Laptop
Series	no data	Intel Core i3
Power efficiency	3.53	10.47
Architecture codename	Sandy Bridge (2011−2013)	Skylake (2015−2016)
Release date	3 April 2011 (13 years ago)	1 September 2015 (9 years ago)
Launch price (MSRP)	$450	$281

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1280 and Core i3-6100U 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)	2 (Dual-core)
Threads	8	4
Base clock speed	3.5 GHz	2.3 GHz
Boost clock speed	3.9 GHz	2.3 GHz
Bus type	no data	OPI
Bus rate	no data	4 GT/s
Multiplier	no data	23
L1 cache	64 KB (per core)	128 KB
L2 cache	256 KB (per core)	512 KB
L3 cache	8 MB (shared)	3 MB
Chip lithography	32 nm	14 nm
Die size	216 mm2	98.57 mm2
Maximum core temperature	74 °C	100 °C
Number of transistors	1,160 million	1750 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1280 and Core i3-6100U 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 (Uniprocessor)
Socket	LGA1155	FCBGA1356
Power consumption (TDP)	95 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1280 and Core i3-6100U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	no data	+
Demand Based Switching	+	no data
FDI	-	no data
Fast Memory Access	+	no data

Security technologies

Xeon E3-1280 and Core i3-6100U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1280 and Core i3-6100U are enumerated here.

AMD-V	-	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1280 and Core i3-6100U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	34.134 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel HD Graphics 520
Max video memory	no data	32 GB
Quick Sync Video	-	+
Clear Video	no data	+
Clear Video HD	-	+
Graphics max frequency	no data	1 GHz
InTru 3D	-	+

Graphics interfaces

Available interfaces and connections of Xeon E3-1280 and Core i3-6100U integrated GPUs.

Number of displays supported	no data	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Xeon E3-1280 and Core i3-6100U integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2304@24Hz
Max resolution over eDP	no data	4096x2304@60Hz
Max resolution over DisplayPort	no data	4096x2304@60Hz

Graphics API support

APIs supported by Xeon E3-1280 and Core i3-6100U 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 E3-1280 and Core i3-6100U.

PCIe version	2.0	3.0
PCI Express lanes	20	12

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	3.54	1.66
Recency	3 April 2011	1 September 2015
Physical cores	4	2
Threads	8	4
Chip lithography	32 nm	14 nm
Power consumption (TDP)	95 Watt	15 Watt

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Should you still have questions on choice between Xeon E3-1280 and Core i3-6100U, ask them in Comments section, and we shall answer.

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