Pentium U5400 vs Xeon E3-1270 v5

Primary details

Comparing Xeon E3-1270 v5 and Pentium U5400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1178	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.19	no data
Market segment	Server	Laptop
Series	Intel Xeon E3	Intel Pentium
Power efficiency	6.21	no data
Architecture codename	Skylake-DT (2015)	Arrandale (2010−2011)
Release date	19 October 2015 (9 years ago)	25 May 2010 (14 years ago)
Launch price (MSRP)	$339	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1270 v5 and Pentium U5400 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	1.2 GHz
Boost clock speed	4 GHz	0.1 GHz
Bus type	DMI 3.0	DMI 1.0
Bus rate	4 × 8 GT/s	1 × 2.5 GT/s
Multiplier	36	9
L1 cache	256 KB	128 KB
L2 cache	1 MB	512 KB
L3 cache	8 MB (shared)	3 MB (shared)
Chip lithography	14 nm	32 nm
Die size	122 mm2	81+114 mm2
Maximum core temperature	no data	105 °C
Number of transistors	1,750 million	382 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1270 v5 and Pentium U5400 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 (Uniprocessor)	1 (Uniprocessor)
Socket	FCLGA1151	BGA1288
Power consumption (TDP)	80 Watt	18 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1270 v5 and Pentium U5400. 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)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	no data	+
PAE	no data	36 Bit
FDI	no data	+
Fast Memory Access	no data	+

Security technologies

Xeon E3-1270 v5 and Pentium U5400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	+	+
Secure Key	+	no data
MPX	+	-
SGX	Yes with both Intel® SPS and Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1270 v5 and Pentium U5400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1270 v5 and Pentium U5400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866/2133, DDR3L-1333/1600	DDR3
Maximum memory size	64 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	12.799 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel® HD Graphics for Previous Generation Intel® Processors
Clear Video	-	+
Graphics max frequency	no data	500 MHz

Graphics interfaces

Available interfaces and connections of Xeon E3-1270 v5 and Pentium U5400 integrated GPUs.

Number of displays supported

no data

2

Graphics image quality

Maximum display resolutions supported by Xeon E3-1270 v5 and Pentium U5400 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	N/A	no data
Max resolution over eDP	N/A	no data
Max resolution over DisplayPort	N/A	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Xeon E3-1270 v5 and Pentium U5400 integrated GPUs, sometimes API versions are included.

DirectX	N/A	no data
OpenGL	N/A	no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1270 v5 and Pentium U5400.

PCIe version	3.0	2.0
PCI Express lanes	16	16

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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Pros & cons summary

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Recency	19 October 2015	25 May 2010
Physical cores	4	2
Threads	8	2
Chip lithography	14 nm	32 nm
Power consumption (TDP)	80 Watt	18 Watt

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