Pentium III 1400S vs M-5Y71

Primary details

Comparing Core M-5Y71 and Pentium III 1400S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2292	3361
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Core M	no data
Power efficiency	24.23	0.35
Architecture codename	Broadwell-Y (2014)	Tualatin (2000−2002)
Release date	27 October 2014 (10 years ago)	January 2002 (22 years ago)
Launch price (MSRP)	$281	no data

Detailed specifications

Core M-5Y71 and Pentium III 1400S 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	2 (Dual-core)	1 (Single-Core)
Threads	4	1
Base clock speed	1.2 GHz	no data
Boost clock speed	2.9 GHz	1.4 GHz
Bus type	DMI 2.0	no data
Multiplier	12	no data
L1 cache	64K (per core)	8 KB
L2 cache	256K (per core)	512 KB
L3 cache	4 MB (shared)	0 KB
Chip lithography	14 nm	130 nm
Die size	50 mm2	80 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	no data	69 °C
Number of transistors	1300 Million	44 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Core M-5Y71 and Pentium III 1400S 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	FCBGA1234	370
Power consumption (TDP)	4.5 Watt	32 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core M-5Y71 and Pentium III 1400S. 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	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	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	+	-
Smart Response	+	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Core M-5Y71 and Pentium III 1400S 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

Virtualization technologies

Virtual machine speed-up technologies supported by Core M-5Y71 and Pentium III 1400S 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 Core M-5Y71 and Pentium III 1400S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	no data
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 5300	no data
Max video memory	16 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	900 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core M-5Y71 and Pentium III 1400S integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Graphics image quality

Maximum display resolutions supported by Core M-5Y71 and Pentium III 1400S integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	2560x1600@60Hz	no data
Max resolution over DisplayPort	2560x1600@60Hz	no data

Graphics API support

APIs supported by Core M-5Y71 and Pentium III 1400S integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core M-5Y71 and Pentium III 1400S.

PCIe version	2.0	no data
PCI Express lanes	12	no data

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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

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Pros & cons summary

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Performance score	1.28	0.12
Physical cores	2	1
Threads	4	1
Chip lithography	14 nm	130 nm
Power consumption (TDP)	4 Watt	32 Watt

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Should you still have questions on choice between Core M-5Y71 and Pentium III 1400S, ask them in Comments section, and we shall answer.

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