i5-7640K vs Xeon E3-1271 v3

Primary details

Comparing Xeon E3-1271 v3 and Core i5-7640K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1270	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Desktop processor
Power efficiency	5.60	no data
Architecture codename	no data	Kaby Lake-X (2017)
Release date	1 April 2014 (10 years ago)	no data

Detailed specifications

Xeon E3-1271 v3 and Core i5-7640K 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)	4 (Quad-Core)
Threads	8	no data
Base clock speed	3.6 GHz	no data
Boost clock speed	4 GHz	3.9 GHz
Bus rate	5 GT/s	no data
L1 cache	no data	64 KB (per core)
L2 cache	no data	256 KB (per core)
L3 cache	8 MB Intel® Smart Cache	6144 KB (shared)
Chip lithography	22 nm	14 nm
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1271 v3 and Core i5-7640K 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	1151
Power consumption (TDP)	80 Watt	112 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1271 v3 and Core i5-7640K. 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	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
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 Core i5-7640K 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 Core i5-7640K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1271 v3 and Core i5-7640K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR4
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	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1271 v3 and Core i5-7640K.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

---

Chip lithography	22 nm	14 nm
Power consumption (TDP)	80 Watt	112 Watt

---

Should you still have questions on choice between Xeon E3-1271 v3 and Core i5-7640K, 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.

---