Ultra 7 155H vs Ryzen 7 3800XT

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Aggregate performance score

Ryzen 7 3800XT
2020
8 cores / 16 threads, 105 Watt
14.86
Core Ultra 7 155H
2023
16 cores / 22 threads, 28 Watt
15.82
+6.5%

Core Ultra 7 155H outperforms Ryzen 7 3800XT by a small 6% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 3800XT and Core Ultra 7 155H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking477433
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation20.79no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen 7Intel Meteor Lake-H
Power efficiency13.3953.47
Architecture codenameMatisse (Zen 2) (2019−2020)Meteor Lake-H (2023)
Release date16 June 2020 (4 years ago)14 December 2023 (1 year ago)
Launch price (MSRP)$399$503

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 3800XT 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 cores8 (Octa-Core)16 (Hexadeca-Core)
Threads1622
Base clock speed3.8 GHz3.8 GHz
Boost clock speed4.7 GHz4.8 GHz
L1 cache512 KB112 KB (per core)
L2 cache4 MB2 MB (per core)
L3 cache32 MB24 MB (shared)
Chip lithography7 nm, 12 nm7 nm
Die size74 mm2no data
Maximum core temperature95 °C110 °C
Maximum case temperature (TCase)95 °Cno data
Number of transistors3,800 millionno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen 7 3800XT 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
SocketAM4Intel BGA 2049
Power consumption (TDP)105 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 3800XT and Core Ultra 7 155H. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEno data
AES-NI++
FMA+-
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
TSX-+
Precision Boost 2+no data

Security technologies

Ryzen 7 3800XT and Core Ultra 7 155H technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 3800XT and Core Ultra 7 155H are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 3800XT and Core Ultra 7 155H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth51.196 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-Intel Arc 8-Cores iGPU ( - 2250 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 3800XT and Core Ultra 7 155H.

PCIe version4.05.0
PCI Express lanesno data8

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.

Ryzen 7 3800XT 14.86
Ultra 7 155H 15.82
+6.5%

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.

Ryzen 7 3800XT 23608
Ultra 7 155H 25131
+6.5%

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.

Ryzen 7 3800XT 6035
Ultra 7 155H 9828
+62.9%

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.

Ryzen 7 3800XT 40528
Ultra 7 155H 56242
+38.8%

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.

Ryzen 7 3800XT 3.74
Ultra 7 155H 3.61
+3.6%

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.

Ryzen 7 3800XT 24
Ultra 7 155H 30
+24%

Cinebench 15 64-bit multi-core

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

Ryzen 7 3800XT 2230
Ultra 7 155H 2385
+6.9%

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.

Ryzen 7 3800XT 219
Ultra 7 155H 255
+16.4%

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.

Ryzen 7 3800XT 2.36
Ultra 7 155H 3.07
+30.1%

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.

Ryzen 7 3800XT 11.4
+11.8%
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.

Ryzen 7 3800XT 7467
+5.4%
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.  

Ryzen 7 3800XT 119
Ultra 7 155H 128
+7.6%

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.  

Ryzen 7 3800XT 271
Ultra 7 155H 296
+9.2%

Geekbench 5.5 Multi-Core

Ryzen 7 3800XT 8948
Ultra 7 155H 12184
+36.2%

Blender(-)

Ryzen 7 3800XT 223
+0.3%
Ultra 7 155H 222

Geekbench 5.5 Single-Core

Ryzen 7 3800XT 1353
Ultra 7 155H 1764
+30.3%

7-Zip Single

Ryzen 7 3800XT 5516
+2.2%
Ultra 7 155H 5398

7-Zip

Ryzen 7 3800XT 59247
Ultra 7 155H 60595
+2.3%

WebXPRT 3

Ryzen 7 3800XT 249
Ultra 7 155H 278
+11.6%

Gaming performance

Pros & cons summary


Performance score 14.86 15.82
Recency 16 June 2020 14 December 2023
Physical cores 8 16
Threads 16 22
Power consumption (TDP) 105 Watt 28 Watt

Ultra 7 155H has a 6.5% higher aggregate performance score, an age advantage of 3 years, 100% more physical cores and 37.5% more threads, and 275% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Ryzen 7 3800XT and Core Ultra 7 155H.

Note that Ryzen 7 3800XT is a desktop processor while Core Ultra 7 155H is a notebook one.


Should you still have questions on choice between Ryzen 7 3800XT and Core Ultra 7 155H, ask them in Comments section, and we shall answer.

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AMD Ryzen 7 3800XT
Ryzen 7 3800XT
Intel Core Ultra 7 155H
Core Ultra 7 155H

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Community ratings

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