Core 2 Duo E7500 vs Xeon E3-1271 v3

Primary details

Comparing Xeon E3-1271 v3 and Core 2 Duo E7500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1176	2584
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.56	0.83
Market segment	Server	Desktop processor
Architecture codename	no data	Wolfdale (2008−2010)
Release date	1 April 2014 (10 years ago)	January 2009 (15 years ago)
Current price	$389	$48

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E3-1271 v3 has 88% better value for money than Core 2 Duo E7500.

Detailed specifications

Xeon E3-1271 v3 and Core 2 Duo E7500 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	2.93 GHz
Boost clock speed	4 GHz	2.93 GHz
L1 cache	no data	64 KB
L2 cache	no data	3 MB (shared)
L3 cache	8 MB Intel® Smart Cache	0 KB
Chip lithography	22 nm	45 nm
Die size	no data	82 mm2
Maximum core temperature	no data	74 °C
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	no data	228 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No
VID voltage range	no data	0.85V-1.3625V

Compatibility

Information on Xeon E3-1271 v3 and Core 2 Duo E7500 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	LGA775
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Core 2 Duo E7500. 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)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	no data
Demand Based Switching	no data	-
Fast Memory Access	+	no data
FSB parity	no data	-
Status	Discontinued	Discontinued

Security technologies

Xeon E3-1271 v3 and Core 2 Duo E7500 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1271 v3 and Core 2 Duo E7500 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 Core 2 Duo E7500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR1, DDR2, 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	+	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Core 2 Duo E7500.

PCIe version	3.0	no data
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.

Xeon E3-1271 v3 outperforms Core 2 Duo E7500 by 567% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	4.87	0.73
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 Core 2 Duo E7500, ask them in Comments section, and we shall answer.

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