M-5Y31 vs i7-5550U

Place in the ranking	2006	2342
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core M
Power efficiency	11.36	22.52
Architecture codename	Broadwell-U (2015)	Broadwell-Y (2014)
Release date	1 March 2015 (9 years ago)	27 October 2014 (10 years ago)
Launch price (MSRP)	$426	no data

Detailed specifications

Core i7-5550U and Core M-5Y31 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)	2 (Dual-core)
Threads	4	4
Base clock speed	2 GHz	0.9 GHz
Boost clock speed	3 GHz	2.4 GHz
Bus rate	5 GT/s	no data
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	4 MB (shared)	4 MB (shared)
Chip lithography	14 nm	14 nm
Die size	133 mm²	50 mm²
Maximum core temperature	105 °C	95 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1900 Million	1300 Million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Core i7-5550U and Core M-5Y31 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	FCBGA1168	FCBGA1234
Power consumption (TDP)	15 Watt	4.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5550U and Core M-5Y31. 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, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	+	+
FDI	+	+
Fast Memory Access	+	+

Security technologies

Core i7-5550U and Core M-5Y31 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
Identity Protection	+	+
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5550U and Core M-5Y31 are enumerated here.

AMD-V	+	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5550U and Core M-5Y31. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 6000	Intel HD Graphics 5300
Max video memory	16 GB	16 GB
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	+
Graphics max frequency	1 GHz	850 MHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i7-5550U and Core M-5Y31 integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+

Graphics image quality

Maximum display resolutions supported by Core i7-5550U and Core M-5Y31 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	2560x1600@60Hz	2560x1600@60Hz
Max resolution over DisplayPort	3840x2160@60Hz	2560x1600@60Hz

Graphics API support

APIs supported by Core i7-5550U and Core M-5Y31 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	11.2/12
OpenGL	4.3	4.3

Peripherals

Specifications and connection of peripherals supported by Core i7-5550U and Core M-5Y31.

PCIe version	2.0	2.0
PCI Express lanes	12	12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

i7-5550U 1.80
+51.3%

M-5Y31 1.19

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-5550U 2864
+51.1%

M-5Y31 1896

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-5550U 3
+49.1%

M-5Y31 2

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-5550U 1.32
+21.1%

M-5Y31 1.09