Athlon II X2 245 vs Xeon E3-1271 v3

Primary details

Comparing Xeon E3-1271 v3 and Athlon II X2 245 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1249	2694
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	5.89
Market segment	Server	Desktop processor
Power efficiency	5.61	1.02
Architecture codename	no data	Regor (2009−2013)
Release date	1 April 2014 (10 years ago)	23 July 2009 (15 years ago)
Launch price (MSRP)	no data	$35

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1271 v3 and Athlon II X2 245 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	2
Base clock speed	3.6 GHz	2.9 GHz
Boost clock speed	4 GHz	2.9 GHz
Bus rate	5 GT/s	no data
L1 cache	no data	256 KB
L2 cache	no data	2 MB
L3 cache	8 MB Intel® Smart Cache	0 KB
Chip lithography	22 nm	45 nm
Die size	no data	117 mm2
Number of transistors	no data	410 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1271 v3 and Athlon II X2 245 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	FCLGA1150	AM3
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Athlon II X2 245. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
SIPP	+	-
Fast Memory Access	+	no data

Security technologies

Xeon E3-1271 v3 and Athlon II X2 245 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Athlon II X2 245 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Athlon II X2 245. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR3
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Athlon II X2 245.

PCIe version	3.0	2.0
PCI Express lanes	16	no data

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	4.92	0.73
Recency	1 April 2014	23 July 2009
Physical cores	4	2
Threads	8	2
Chip lithography	22 nm	45 nm
Power consumption (TDP)	80 Watt	65 Watt

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Should you still have questions on choice between Xeon E3-1271 v3 and Athlon II X2 245, ask them in Comments section, and we shall answer.

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