Ultra 7 155H vs i9-12900

VS

Aggregate performance score

Core i9-12900
2022
16 cores / 24 threads, 65 Watt
21.53
+36.1%
Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
15.82

Core i9-12900 outperforms Core Ultra 7 155H by a substantial 36% based on our aggregate benchmark results.

Primary details

Comparing Core i9-12900 and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking250433
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation35.09no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Meteor Lake-H
Power efficiency31.3553.47
Architecture codenameAlder Lake-S (2022)Meteor Lake-H (2023)
Release date4 January 2022 (2 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)$489$503

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-12900 and Core Ultra 7 155H 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 cores16 (Hexadeca-Core)16 (Hexadeca-Core)
Threads2422
Base clock speed2.4 GHz3.8 GHz
Boost clock speed5.1 GHz4.8 GHz
L1 cache80K (per core)112 KB (per core)
L2 cache1.25 MB (per core)2 MB (per core)
L3 cache30 MB (shared)24 MB (shared)
Chip lithographyIntel 7 nmIntel 4 nm
Die size215 mm2no data
Maximum core temperature100 °C110 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-12900 and Core Ultra 7 155H 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
SocketFCLGA1700FCBGA2049
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900 and Core Ultra 7 155H. 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++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
SIPP+-
Turbo Boost Max 3.0++
Deep Learning Boost++
Supported AI Software Frameworks-OpenVINO™, WindowsML, ONNX RT

Security technologies

Core i9-12900 and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900 and Core Ultra 7 155H are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900 and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5
Maximum memory size128 GB96 GB
Max memory channels22
Maximum memory bandwidth76.8 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 770Intel® Arc™ graphics
Quick Sync Video++
Clear Video HD+no data
Graphics max frequency1.55 GHz2.25 GHz
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-12900 and Core Ultra 7 155H integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Core i9-12900 and Core Ultra 7 155H integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hz4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP5120 x 3200 @ 120Hz3840x2400 @ 120Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i9-12900 and Core Ultra 7 155H integrated GPUs, sometimes API versions are included.

DirectX1212.2
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i9-12900 and Core Ultra 7 155H.

PCIe version5.0 and 4.05.0
PCI Express lanes208
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.

i9-12900 21.53
+36.1%
Ultra 7 155H 15.82

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.

i9-12900 34206
+36.1%
Ultra 7 155H 25131

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i9-12900 8949
Ultra 7 155H 9828
+9.8%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i9-12900 68729
+22.2%
Ultra 7 155H 56242

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i9-12900 17464
+34%
Ultra 7 155H 13031

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i9-12900 2.67
+35.2%
Ultra 7 155H 3.61

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.

i9-12900 39
+30%
Ultra 7 155H 30

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i9-12900 3299
+38.4%
Ultra 7 155H 2385

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made 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 (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i9-12900 262
+2.7%
Ultra 7 155H 255

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.

i9-12900 3.16
+2.9%
Ultra 7 155H 3.07

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i9-12900 17.2
+68.6%
Ultra 7 155H 10.2

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i9-12900 10739
+51.6%
Ultra 7 155H 7084

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i9-12900 148
+15.2%
Ultra 7 155H 128

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i9-12900 310
+4.7%
Ultra 7 155H 296

Geekbench 5.5 Multi-Core

i9-12900 8924
Ultra 7 155H 12184
+36.5%

Blender(-)

i9-12900 263
+18.3%
Ultra 7 155H 222

Geekbench 5.5 Single-Core

i9-12900 1656
Ultra 7 155H 1764
+6.5%

7-Zip Single

i9-12900 5979
+10.8%
Ultra 7 155H 5398

7-Zip

i9-12900 50152
Ultra 7 155H 60595
+20.8%

WebXPRT 3

i9-12900 269
Ultra 7 155H 278
+3.3%

CrossMark Overall

i9-12900 1785
+5.8%
Ultra 7 155H 1687

Gaming performance

Pros & cons summary


Performance score 21.53 15.82
Recency 4 January 2022 14 December 2023
Threads 24 22
Power consumption (TDP) 65 Watt 28 Watt

i9-12900 has a 36.1% higher aggregate performance score, and 9.1% more threads.

Ultra 7 155H, on the other hand, has an age advantage of 1 year, and 132.1% lower power consumption.

The Core i9-12900 is our recommended choice as it beats the Core Ultra 7 155H in performance tests.

Note that Core i9-12900 is a desktop processor while Core Ultra 7 155H is a notebook one.


Should you still have questions on choice between Core i9-12900 and Core Ultra 7 155H, ask them in Comments section, and we shall answer.

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Intel Core i9-12900
Core i9-12900
Intel Core Ultra 7 155H
Core Ultra 7 155H

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Community ratings

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Questions & comments

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