Ultra 7 256V vs M-5Y51

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Aggregate performance score

Core M-5Y51
2014
2 cores / 4 threads, 4 Watt
1.27
Core Ultra 7 256V
2024
8 cores / 8 threads, 17 Watt
12.57
+890%

Core Ultra 7 256V outperforms Core M-5Y51 by a whopping 890% based on our aggregate benchmark results.

Primary details

Comparing Core M-5Y51 and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2301618
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core Mno data
Power efficiency24.0269.93
Architecture codenameBroadwell-Y (2014)Lunar Lake (2024)
Release date27 October 2014 (10 years ago)24 September 2024 (less than a year ago)

Detailed specifications

Core M-5Y51 and Core Ultra 7 256V 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 cores2 (Dual-core)8 (Octa-Core)
Performance-coresno data4
Low Power Efficient-coresno data4
Threads48
Base clock speed1.1 GHz2.2 GHz
Boost clock speed2.6 GHz4.8 GHz
Bus typeDMI 2.0no data
Bus rateno data37 MHz
Multiplier11no data
L1 cache64K (per core)192 KB (per core)
L2 cache256K (per core)2.5 MB (per core)
L3 cache4 MB (shared)12 MB (shared)
Chip lithography14 nm3 nm
Die size50 mm2no data
Maximum core temperature95 °C100 °C
Number of transistors1300 Millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core M-5Y51 and Core Ultra 7 256V 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 configuration11
SocketFCBGA1234FCBGA2833
Power consumption (TDP)4.5 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core M-5Y51 and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology+-
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access+no data
Smart Response+no data
Turbo Boost Max 3.0no data+
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN

Security technologies

Core M-5Y51 and Core Ultra 7 256V 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 M-5Y51 and Core Ultra 7 256V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core M-5Y51 and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size16 GB16 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 5300Intel Arc Graphics 140V
Max video memory16 GBno data
Quick Sync Video++
Clear Video HD+no data
Graphics max frequency900 MHz1.95 GHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core M-5Y51 and Core Ultra 7 256V integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-

Graphics image quality

Maximum display resolutions supported by Core M-5Y51 and Core Ultra 7 256V integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.42560x1600@60Hz4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPort2560x1600@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core M-5Y51 and Core Ultra 7 256V integrated GPUs, sometimes API versions are included.

DirectX11.2/1212.2
OpenGL4.34.6

Peripherals

Specifications and connection of peripherals supported by Core M-5Y51 and Core Ultra 7 256V.

PCIe version2.05.0
PCI Express lanes124
PCI supportno data5.0 and 4.0

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.

M-5Y51 1.27
Ultra 7 256V 12.57
+890%

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.

M-5Y51 2016
Ultra 7 256V 19971
+891%

Gaming performance

Pros & cons summary


Performance score 1.27 12.57
Integrated graphics card 1.04 13.29
Recency 27 October 2014 24 September 2024
Physical cores 2 8
Threads 4 8
Chip lithography 14 nm 3 nm
Power consumption (TDP) 4 Watt 17 Watt

M-5Y51 has 325% lower power consumption.

Ultra 7 256V, on the other hand, has a 889.8% higher aggregate performance score, 1177.9% faster integrated GPU, an age advantage of 9 years, 300% more physical cores and 100% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 7 256V is our recommended choice as it beats the Core M-5Y51 in performance tests.


Should you still have questions on choice between Core M-5Y51 and Core Ultra 7 256V, ask them in Comments section, and we shall answer.

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Intel Core M-5Y51
Core M-5Y51
Intel Core Ultra 7 256V
Core Ultra 7 256V

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

Here you can ask a question about Core M-5Y51 or Core Ultra 7 256V, agree or disagree with our judgements, or report an error or mismatch.