Intel Core Ultra 7 155H vs AMD A9-9420

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CPU comparison with benchmarks


Intel Core Ultra 7 155H CPU1 vs CPU2 AMD A9-9420
Intel Core Ultra 7 155H AMD A9-9420

CPU comparison

Intel Core Ultra 7 155H or AMD A9-9420 - 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 A9-9420 has 2 cores with 2 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The AMD A9-9420 was released in Q2/2017.
Intel Core Ultra 7 (9) Family AMD A (112)
Intel Core Ultra 100H (5) CPU group AMD A9-9000 (4)
1 Generation 4
Meteor Lake H Architecture Stoney Ridge (Excavator)
Mobile Segment Mobile
-- Predecessor --
-- 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 A9-9420 has 2 CPU cores with a clock frequency of 3.00 GHz (3.60 GHz).

Intel Core Ultra 7 155H Characteristic AMD A9-9420
16 Cores 2
22 Threads 2
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
1.40 GHz (4.80 GHz)
6x Redwood Cove
A-Core 3.00 GHz (3.60 GHz)
0.90 GHz (3.80 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.50 GHz)
2x Crestmont
C-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core Ultra 7 155H Characteristic AMD A9-9420
Intel AI engine AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --

Internal Graphics

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 R5 (Stoney Ridge)
0.60 GHz GPU frequency 0.85 GHz
2.25 GHz GPU (Turbo) --
-- GPU Generation 7
5 nm Technology 28 nm
4 Max. displays 3
128 Compute units 3
1024 Shader 192
Yes Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 2 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 R5 (Stoney Ridge)
Decode / Encode Codec h265 / HEVC (8 bit) Decode
Decode / Encode Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode
Decode Codec VP9 Decode
Decode Codec VP8 Decode
Decode / Encode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
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 A9-9420 can connect up to 8 GB of memory in 1 memory channels.

Intel Core Ultra 7 155H Characteristic AMD A9-9420
LPDDR5X-7500, DDR5-5600 Memory DDR4-2133
96 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
120.0 GB/s Max. Bandwidth 17.1 GB/s
No ECC No
18.00 MB L2 Cache --
24.00 MB L3 Cache 2.00 MB
5.0 PCIe version 3.0
20 PCIe lanes 8
78.8 GB/s PCIe Bandwidth 7.9 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 A9-9420 is 15 W.

Intel Core Ultra 7 155H Characteristic AMD A9-9420
28 W TDP (PL1 / PBP) 15 W
115 W TDP (PL2) --
65 W TDP up 25 W
20 W TDP down 10 W
110 °C Tjunction max. 90 °C

Technical details

The Intel Core Ultra 7 155H has a 42.00 MB cache, while the AMD A9-9420 cache has a total of 2.00 MB.

Intel Core Ultra 7 155H Characteristic AMD A9-9420
7 nm Technology 28 nm
Chiplet Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
BGA 2049 Socket FP4
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI Yes
Windows 11, Linux Operating systems
Q4/2023 Release date Q2/2017
-- 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 (78 ratings). Rate now:
Here you can rate the AMD A9-9420 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core Ultra 7 155H (100%)
AMD A9-9420 (28%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core Ultra 7 155H (100%)
AMD A9-9420 (8%)

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 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
497 (28%)

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 A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
805 (7%)

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 A9-9420 AMD A9-9420
AMD Radeon R5 (Stoney Ridge) @ 0.85 GHz
325 (7%)

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 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
2348 (9%)

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
1761 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
0 (0%)

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
16825 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
2294 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
12749 (100%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 1.40 GHz
0 (0%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
328 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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
0 (0%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.60 GHz
81 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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
0 (0%)
AMD A9-9420 AMD A9-9420
2C 2T @ 3.00 GHz
134 (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
16,825 CB R23 MC @ 75 W
224 (100%)
AMD A9-9420 AMD A9-9420
3.00 GHz
0 (0%)

Devices using this processor

Intel Core Ultra 7 155H AMD A9-9420
ASUS Zenbook Duo (2024) UX8406 Unknown

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