Ultra 7 155U vs i7-2655QM

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Primary details

Comparing Core i7-2655QM and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated742
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Meteor Lake-U
Power efficiencyno data66.50
Architecture codenameSandy Bridge (2011−2013)Meteor Lake-P (2023)
Release date4 September 2011 (13 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)no data$490

Detailed specifications

Core i7-2655QM and Core Ultra 7 155U 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 cores4 (Quad-Core)12 (Dodeca-Core)
Threads814
Base clock speedno data1.7 GHz
Boost clock speed2.1 GHz4.8 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier21no data
L1 cache256 KB112 KB (per core)
L2 cache1 MB2 MB (per core)
L3 cache6 MB12 MB (shared)
Chip lithography32 nmIntel 4 nm
Die size216 mm2no data
Maximum core temperatureno data110 °C
Number of transistors1160 Millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core i7-2655QM and Core Ultra 7 155U 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 configuration1 (Uniprocessor)1
Socketno dataFCBGA2049
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2655QM and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data-
Deep Learning Boost-+
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Core i7-2655QM and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2655QM and Core Ultra 7 155U are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2655QM and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR5
Maximum memory size16 GB96 GB
Max memory channelsno data2
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000Intel® Graphics
Quick Sync Video-+
Graphics max frequencyno data1.95 GHz

Graphics interfaces

Available interfaces and connections of Core i7-2655QM and Core Ultra 7 155U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-2655QM and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDPno data3840x2400 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-2655QM and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectXno data12.2
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-2655QM and Core Ultra 7 155U.

PCIe versionno data4.0
PCI Express lanesno data12
PCI supportno data4.0

Pros & cons summary


Recency 4 September 2011 14 December 2023
Physical cores 4 12
Threads 8 14
Power consumption (TDP) 45 Watt 15 Watt

Ultra 7 155U has an age advantage of 12 years, 200% more physical cores and 75% more threads, and 200% lower power consumption.

We couldn't decide between Core i7-2655QM and Core Ultra 7 155U. We've got no test results to judge.


Should you still have questions on choice between Core i7-2655QM and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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Intel Core i7-2655QM
Core i7-2655QM
Intel Core Ultra 7 155U
Core Ultra 7 155U

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Community ratings

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