Athlon X4 940 vs Xeon E3-1231 v3

Primary details

Comparing Xeon E3-1231 v3 and Athlon X4 940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1319	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.15	no data
Market segment	Server	Desktop processor
Series	Xeon (Desktop)	no data
Power efficiency	5.25	no data
Architecture codename	Haswell-WS (2013−2014)	Bristol Ridge (2016−2019)
Release date	11 May 2014 (10 years ago)	27 July 2017 (7 years ago)
Launch price (MSRP)	$240	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1231 v3 and Athlon X4 940 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	4
Base clock speed	3.4 GHz	3.2 GHz
Boost clock speed	3.8 GHz	3.6 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	128 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	8 MB (shared)	0 KB
Chip lithography	22 nm	28 nm
Die size	160 mm2	246 mm2
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	1,400 million	1,178 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	-	+

Compatibility

Information on Xeon E3-1231 v3 and Athlon X4 940 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	AM4
Power consumption (TDP)	80 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1231 v3 and Athlon X4 940. 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	+	+
FMA	-	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
My WiFi	-	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 E3-1231 v3 and Athlon X4 940 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 E3-1231 v3 and Athlon X4 940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1231 v3 and Athlon X4 940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Dual-channel
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 E3-1231 v3 and Athlon X4 940.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

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Recency	11 May 2014	27 July 2017
Threads	8	4
Chip lithography	22 nm	28 nm
Power consumption (TDP)	80 Watt	65 Watt

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