Phenom II X4 P940 vs Xeon E3-1231 v3

Primary details

Comparing Xeon E3-1231 v3 and Phenom II X4 P940 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	Laptop
Series	Xeon (Desktop)	4x AMD Phenom II
Power efficiency	5.25	no data
Architecture codename	Haswell-WS (2013−2014)	Champlain (2010−2011)
Release date	11 May 2014 (10 years ago)	4 October 2010 (14 years ago)
Launch price (MSRP)	$240	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1231 v3 and Phenom II X4 P940 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	no data
Boost clock speed	3.8 GHz	1.7 GHz
Bus rate	5 GT/s	3600 MHz
L1 cache	64K (per core)	512 KB
L2 cache	256K (per core)	2 MB
L3 cache	8 MB (shared)	no data
Chip lithography	22 nm	45 nm
Die size	160 mm2	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1231 v3 and Phenom II X4 P940 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	no data
Socket	FCLGA1150	S1 (S1g4)
Power consumption (TDP)	80 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1231 v3 and Phenom II X4 P940. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0
AES-NI	+	-
AVX	+	-
VirusProtect	-	+
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 Phenom II X4 P940 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 Phenom II X4 P940 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 Phenom II X4 P940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	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	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1231 v3 and Phenom II X4 P940.

PCIe version	3.0	no data
PCI Express lanes	16	no data

Pros & cons summary

---

Recency	11 May 2014	4 October 2010
Threads	8	4
Chip lithography	22 nm	45 nm
Power consumption (TDP)	80 Watt	25 Watt

---

Should you still have questions on choice between Xeon E3-1231 v3 and Phenom II X4 P940, 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.

---