N100 vs Xeon E5649

Primary details

Comparing Xeon E5649 and N100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1522	1556
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.56	no data
Market segment	Server	Laptop
Power efficiency	4.24	54.42
Architecture codename	Westmere-EP (2010−2011)	no data
Release date	14 February 2011 (13 years ago)	1 January 2023 (1 year ago)
Launch price (MSRP)	$45	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5649 and N100 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)	no data
Threads	12	4
Base clock speed	2.53 GHz	no data
Boost clock speed	2.93 GHz	3.4 GHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	no data
L3 cache	12288 KB (shared)	6 MB Intel® Smart Cache
Chip lithography	32 nm	Intel 7 nm
Die size	239 mm2	no data
Maximum core temperature	76 °C	105 °C
Number of transistors	1,170 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Xeon E5649 and N100 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	2	1
Socket	FCLGA1366	FCBGA1264
Power consumption (TDP)	80 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5649 and N100. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	-
Idle States	+	no data
Thermal Monitoring	-	+
Demand Based Switching	+	no data
PAE	40 Bit	no data
GPIO	no data	+

Security technologies

Xeon E5649 and N100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5649 and N100 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5649 and N100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-3200, DDR5-4800, LPDDR5-4800
Maximum memory size	288 GB	16 GB
Max memory channels	3	1
Maximum memory bandwidth	32 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel UHD Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	750 MHz
Execution Units	no data	24

Graphics interfaces

Available interfaces and connections of Xeon E5649 and N100 integrated GPUs.

Number of displays supported

no data

3

Graphics image quality

Maximum display resolutions supported by Xeon E5649 and N100 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2160@60Hz
Max resolution over DisplayPort	no data	4096 x 2160@60Hz

Graphics API support

APIs supported by Xeon E5649 and N100 integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon E5649 and N100.

PCIe version	2.0	no data
PCI Express lanes	no data	9
USB revision	no data	2.0/3.2

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	3.58	3.45
Recency	14 February 2011	1 January 2023
Threads	12	4
Power consumption (TDP)	80 Watt	6 Watt

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Should you still have questions on choice between Xeon E5649 and N100, ask them in Comments section, and we shall answer.

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