Intel Core Ultra 7 155H vs AMD Ryzen Z1 Extreme

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CPU comparison with benchmarks


Intel Core Ultra 7 155H CPU1 vs CPU2 AMD Ryzen Z1 Extreme
Intel Core Ultra 7 155H AMD Ryzen Z1 Extreme

CPU comparison

Intel Core Ultra 7 155H or AMD Ryzen Z1 Extreme - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core Ultra 7 155H has 16 cores with 22 threads and clocks with a maximum frequency of 4.80 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 7 155H was released in Q4/2023.

The AMD Ryzen Z1 Extreme has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The AMD Ryzen Z1 Extreme was released in Q2/2023.
Intel Core Ultra 7 (24) Family AMD Ryzen Z1 (2)
Intel Core Ultra 100H (5) CPU group AMD Ryzen 7040 (21)
1 Generation 6
Meteor Lake H Architecture Phoenix (Zen 4)
Notebook Segment Notebook
-- Predecessor --
Intel Core Ultra 7 255H Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 7 155H is a 16 core processor with a clock frequency of 1.40 GHz (4.80 GHz). The AMD Ryzen Z1 Extreme has 8 CPU cores with a clock frequency of 3.30 GHz (5.10 GHz).

Intel Core Ultra 7 155H Characteristic AMD Ryzen Z1 Extreme
16 Cores 8
22 Threads 16
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.40 GHz (4.80 GHz)
6x Redwood Cove
A-Core 3.30 GHz (5.10 GHz)
8x Zen 4
0.90 GHz (3.80 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.50 GHz)
2x Crestmont
C-Core --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core Ultra 7 155H Characteristic AMD Ryzen Z1 Extreme
Intel® AI Boost AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) GPU AMD Radeon 780M
0.60 GHz GPU frequency 0.80 GHz
2.25 GHz GPU (Turbo) 2.70 GHz
-- GPU Generation 3
5 nm Technology 4 nm
4 Max. displays 4
128 Compute units 12
1024 Shader 768
Yes Hardware Raytracing Yes
No Frame Generation AMD FSR
32 GB Max. GPU Memory 32 GB
12.2 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) GPU AMD Radeon 780M
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 Decode / Encode
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core Ultra 7 155H supports a maximum of 96 GB of memory in 2 memory channels. The AMD Ryzen Z1 Extreme can connect up to 256 GB of memory in 2 memory channels.

Intel Core Ultra 7 155H Characteristic AMD Ryzen Z1 Extreme
LPDDR5X-7500, DDR5-5600 Memory DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500
96 GB Max. Memory 256 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 120.0 GB/s
No ECC Yes
18.00 MB L2 Cache 8.00 MB
24.00 MB L3 Cache 16.00 MB
5.0 PCIe version 4.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core Ultra 7 155H has a TDP of 28 W, that of the AMD Ryzen Z1 Extreme is 28 W.

Intel Core Ultra 7 155H Characteristic AMD Ryzen Z1 Extreme
28 W TDP (PL1 / PBP) 28 W
115 W TDP (PL2) --
65 W TDP up 30 W
20 W TDP down 15 W
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 7 155H has a 42.00 MB cache, while the AMD Ryzen Z1 Extreme cache has a total of 24.00 MB.

Intel Core Ultra 7 155H Characteristic AMD Ryzen Z1 Extreme
7 nm Technology 4 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 2049 Socket FP8
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2023 Release date Q2/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 7 155H to help other visitors make their purchasing decisions. The average rating is 4.2 stars (362 ratings). Rate now:
Here you can rate the AMD Ryzen Z1 Extreme to help other visitors make their purchasing decisions. The average rating is 4.4 stars (252 ratings). Rate now:

Average performance in benchmarks

Single core performance in 4 CPU benchmarks
Intel Core Ultra 7 155H (96%)
AMD Ryzen Z1 Extreme (98%)
Multi core performance in 5 CPU benchmarks
Intel Core Ultra 7 155H (99%)
AMD Ryzen Z1 Extreme (84%)

Cinebench 2024 Single-Core

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
102 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz
94 (92%)

Cinebench 2024 Multi-Core

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
986 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz
722 (73%)

Cinebench R23 Single-Core

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1772 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz
1755 (99%)

Cinebench R23 Multi-Core

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
17650 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz
13766 (78%)

Geekbench 6 Single-Core

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
2294 (94%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz
2446 (100%)

Geekbench 6 Multi-Core

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
12749 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz
10726 (84%)

Geekbench 5, 64bit Single-Core

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1746 (91%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 5.10 GHz
1917 (100%)

Geekbench 5, 64bit Multi-Core

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
11878 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz
9977 (84%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.25 GHz
4460 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
AMD Radeon 780M @ 2.70 GHz
4201 (94%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
24916 (97%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
8C 16T @ 3.30 GHz
25566 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
17,650 CB R23 MC @ 79 W
224 (100%)
AMD Ryzen Z1 Extreme AMD Ryzen Z1 Extreme
3.30 GHz
0 (0%)

Devices using this processor

Intel Core Ultra 7 155H AMD Ryzen Z1 Extreme
ASUS Zenbook Duo (2024) UX8406 ASUS ROG Ally

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