i3-2100 vs Xeon E5345

Primary details

Comparing Xeon E5345 and Core i3-2100 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2355	2358
Place by popularity	not in top-100	100
Cost-effectiveness evaluation	0.04	0.28
Market segment	Server	Desktop processor
Power efficiency	1.40	1.70
Architecture codename	Clovertown (2006−2007)	Sandy Bridge (2011−2013)
Release date	14 November 2006 (18 years ago)	20 February 2011 (13 years ago)
Launch price (MSRP)	$851	$73

Cost-effectiveness evaluation

Performance per price, higher is better.

i3-2100 has 600% better value for money than Xeon E5345.

Detailed specifications

Xeon E5345 and Core i3-2100 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	4	4
Base clock speed	2.33 GHz	3.1 GHz
Boost clock speed	0.33 GHz	3.1 GHz
Bus rate	no data	5 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	4 MB (per die)	256 KB (per core)
L3 cache	8 MB L2 Cache	3 MB (shared)
Chip lithography	65 nm	32 nm
Die size	2x 143 mm2	131 mm2
Maximum core temperature	no data	69 °C
Maximum case temperature (TCase)	66 °C	no data
Number of transistors	582 million	504 million
64 bit support	+	+
Windows 11 compatibility	no data	-
VID voltage range	1V-1.5V	no data

Compatibility

Information on Xeon E5345 and Core i3-2100 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	LGA771,PLGA771	FCLGA1155
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5345 and Core i3-2100. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Demand Based Switching	+	no data
PAE	32 Bit	no data
FDI	no data	+
Fast Memory Access	no data	+
FSB parity	+	no data

Security technologies

Xeon E5345 and Core i3-2100 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Identity Protection	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5345 and Core i3-2100 are enumerated here.

VT-d	no data	-
VT-x	+	+
EPT	-	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5345 and Core i3-2100. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3 Depends on motherboard	DDR3
Maximum memory size	no data	32 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	21 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel HD Graphics 2000
Quick Sync Video	-	+
Clear Video HD	no data	+
Graphics max frequency	no data	1.1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Xeon E5345 and Core i3-2100 integrated GPUs.

Number of displays supported

no data

2

Peripherals

Specifications and connection of peripherals supported by Xeon E5345 and Core i3-2100.

PCIe version	no data	2.0
PCI Express lanes	no data	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.

---

Pros & cons summary

---

Performance score	1.18	1.17
Recency	14 November 2006	20 February 2011
Physical cores	4	2
Chip lithography	65 nm	32 nm
Power consumption (TDP)	80 Watt	65 Watt

---

Should you still have questions on choice between Xeon E5345 and Core i3-2100, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---