Ultra 7 256V vs Ultra 7 155U

VS

Aggregate performance score

Core Ultra 7 155U
2023
12 cores / 14 threads, 15 Watt
10.54
Core Ultra 7 256V
2024
8 cores / 8 threads, 17 Watt
12.57
+19.3%

Core Ultra 7 256V outperforms Core Ultra 7 155U by a moderate 19% based on our aggregate benchmark results.

Primary details

Comparing Core Ultra 7 155U and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking742618
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Meteor Lake-Uno data
Power efficiency66.5069.98
Architecture codenameMeteor Lake-P (2023)Lunar Lake (2024)
Release date14 December 2023 (1 year ago)24 September 2024 (less than a year ago)
Launch price (MSRP)$490no data

Detailed specifications

Core Ultra 7 155U 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 cores12 (Dodeca-Core)8 (Octa-Core)
Threads148
Base clock speed1.7 GHz2.2 GHz
Boost clock speed4.8 GHz4.8 GHz
Bus rateno data37 MHz
L1 cache112 KB (per core)192 KB (per core)
L2 cache2 MB (per core)2.5 MB (per core)
L3 cache12 MB (shared)12 MB (shared)
Chip lithographyIntel 4 nm3 nm
Maximum core temperature110 °C100 °C
64 bit support++

Compatibility

Information on Core Ultra 7 155U 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
SocketFCBGA2049Intel BGA 2833
Power consumption (TDP)15 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 7 155U 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® AVX2no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Hyper-Threading Technology+no data
TSX++
Thermal Monitoring+-
Flex Memory Access+no data
Turbo Boost Max 3.0-no data
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT-

Security technologies

Core Ultra 7 155U and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 7 155U and Core Ultra 7 256V are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 7 155U and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5DDR5
Maximum memory size96 GBno data
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® GraphicsArc 140V
Quick Sync Video+-
Graphics max frequency1.95 GHzno data

Graphics interfaces

Available interfaces and connections of Core Ultra 7 155U and Core Ultra 7 256V integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core Ultra 7 155U and Core Ultra 7 256V integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)no data
Max resolution over eDP3840x2400 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core Ultra 7 155U and Core Ultra 7 256V integrated GPUs, sometimes API versions are included.

DirectX12.2no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core Ultra 7 155U and Core Ultra 7 256V.

PCIe version4.05.0
PCI Express lanes124
PCI support4.0no 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.


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.

Ultra 7 155U 10.54
Ultra 7 256V 12.57
+19.3%

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.

Ultra 7 155U 16747
Ultra 7 256V 19971
+19.3%

Geekbench 5.5 Multi-Core

Ultra 7 155U 7927
Ultra 7 256V 9460
+19.3%

Blender(-)

Ultra 7 155U 353
+9%
Ultra 7 256V 324

Geekbench 5.5 Single-Core

Ultra 7 155U 1689
Ultra 7 256V 1972
+16.8%

7-Zip Single

Ultra 7 155U 4868
Ultra 7 256V 5672
+16.5%

7-Zip

Ultra 7 155U 38495
+7%
Ultra 7 256V 35964

WebXPRT 3

Ultra 7 155U 261
Ultra 7 256V 306
+17.2%

CrossMark Overall

Ultra 7 155U 1463
Ultra 7 256V 1700
+16.2%

WebXPRT 4 Overall

Ultra 7 155U 248
Ultra 7 256V 285
+15.2%

Blender v3.3 Classroom CPU(-)

Ultra 7 155U 641
+15.1%
Ultra 7 256V 557

Geekbench 6.3 Multi-Core

Ultra 7 155U 8954
Ultra 7 256V 10952
+22.3%

Geekbench 6.3 Single-Core

Ultra 7 155U 2315
Ultra 7 256V 2778
+20%

Gaming performance

Pros & cons summary


Performance score 10.54 12.57
Recency 14 December 2023 24 September 2024
Physical cores 12 8
Threads 14 8
Power consumption (TDP) 15 Watt 17 Watt

Ultra 7 155U has 50% more physical cores and 75% more threads, and 13.3% lower power consumption.

Ultra 7 256V, on the other hand, has a 19.3% higher aggregate performance score, and an age advantage of 9 months.

The Core Ultra 7 256V is our recommended choice as it beats the Core Ultra 7 155U in performance tests.


Should you still have questions on choice between Core Ultra 7 155U and Core Ultra 7 256V, ask them in Comments section, and we shall answer.

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Intel Core Ultra 7 155U
Core Ultra 7 155U
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 Ultra 7 155U or Core Ultra 7 256V, agree or disagree with our judgements, or report an error or mismatch.