Pentium 350 vs Xeon E3-1280 v3

Primary details

Comparing Xeon E3-1280 v3 and Pentium 350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1278	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.04	no data
Market segment	Server	Server
Power efficiency	5.37	no data
Architecture codename	Haswell-WS (2013−2014)	Sandy Bridge (2011−2013)
Release date	2 June 2013 (11 years ago)	21 November 2011 (13 years ago)
Launch price (MSRP)	$800	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1280 v3 and Pentium 350 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	4
Base clock speed	3.6 GHz	1.2 GHz
Boost clock speed	4 GHz	1.2 GHz
Bus rate	5 GT/s	5 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	3 MB (shared)
Chip lithography	22 nm	32 nm
Die size	160 mm2	131 mm2
Maximum core temperature	no data	76 °C
Number of transistors	1,400 million	504 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1280 v3 and Pentium 350 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	FCLGA1155
Power consumption (TDP)	82 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1280 v3 and Pentium 350. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon E3-1280 v3 and Pentium 350 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1280 v3 and Pentium 350 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1280 v3 and Pentium 350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3
Maximum memory size	32 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	21 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1280 v3 and Pentium 350.

PCIe version	3.0	2.0
PCI Express lanes	16	2

Pros & cons summary

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Recency	2 June 2013	21 November 2011
Physical cores	4	2
Threads	8	4
Chip lithography	22 nm	32 nm
Power consumption (TDP)	82 Watt	15 Watt

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