Qualcomm Snapdragon 8cx vs Intel Core Ultra 7 155H

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CPU comparison with benchmarks


Qualcomm Snapdragon 8cx CPU1 vs CPU2 Intel Core Ultra 7 155H
Qualcomm Snapdragon 8cx Intel Core Ultra 7 155H

CPU comparison

In this CPU comparison, we compare the Qualcomm Snapdragon 8cx and the Intel Core Ultra 7 155H and use benchmarks to check which processor is faster.

We compare the Qualcomm Snapdragon 8cx 8 core processor released in Q4/2018 with the Intel Core Ultra 7 155H which has 16 CPU cores and was introduced in Q4/2023.
Qualcomm Snapdragon (104) Family Intel Core Ultra 7 (10)
Qualcomm Snapdragon 8cx (2) CPU group Intel Core Ultra 100H (5)
2 Generation 1
Kryo 495 Architecture Meteor Lake H
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 8cx is a 8 core processor with a clock frequency of 2.84 GHz. The processor can compute 8 threads at the same time. The Intel Core Ultra 7 155H clocks with 1.40 GHz (4.80 GHz), has 16 CPU cores and can calculate 22 threads in parallel.

Qualcomm Snapdragon 8cx Characteristic Intel Core Ultra 7 155H
8 Cores 16
8 Threads 22
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
2.84 GHz
4x Kryo 495 Gold
A-Core 1.40 GHz (4.80 GHz)
6x Redwood Cove
1.80 GHz
4x Kryo 495 Silver
B-Core 0.90 GHz (3.80 GHz)
8x Crestmont
-- C-Core 0.70 GHz (2.50 GHz)
2x Crestmont

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.

Qualcomm Snapdragon 8cx Characteristic Intel Core Ultra 7 155H
Qualcomm AI engine AI hardware Intel® AI Boost
Hexagon 685 @ 3 TOPS AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Qualcomm Adreno 680 GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
0.25 GHz GPU frequency 0.60 GHz
0.59 GHz GPU (Turbo) 2.25 GHz
5 GPU Generation --
7 nm Technology 5 nm
2 Max. displays 4
8 Compute units 128
768 Shader 1024
No Hardware Raytracing Yes
No Frame Generation No
4 GB Max. GPU Memory 32 GB
12.0 DirectX Version 12.2

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.

Qualcomm Adreno 680 GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
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 / Encode Codec VP8 Decode
No Codec AV1 Decode / Encode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 8 memory channels is supported by the Qualcomm Snapdragon 8cx, while the Intel Core Ultra 7 155H supports a maximum of 96 GB of memory with a maximum memory bandwidth of 120.0 GB/s enabled.

Qualcomm Snapdragon 8cx Characteristic Intel Core Ultra 7 155H
LPDDR4X-4266 Memory LPDDR5X-7500, DDR5-5600
16 GB Max. Memory 96 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth 120.0 GB/s
No ECC No
-- L2 Cache 18.00 MB
2.00 MB L3 Cache 24.00 MB
-- PCIe version 5.0
-- PCIe lanes 20
-- PCIe Bandwidth 78.8 GB/s

Thermal Management

The Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP of the Intel Core Ultra 7 155H is 28 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm Snapdragon 8cx Characteristic Intel Core Ultra 7 155H
7 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) 115 W
-- TDP up 65 W
-- TDP down 20 W
-- Tjunction max. 110 °C

Technical details

The Qualcomm Snapdragon 8cx has 2.00 MB cache and is manufactured in 7 nm. The cache of Intel Core Ultra 7 155H is at 42.00 MB. The processor is manufactured in 7 nm.

Qualcomm Snapdragon 8cx Characteristic Intel Core Ultra 7 155H
7 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket BGA 2049
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android, Windows 10 (ARM) Operating systems Windows 11, Linux
Q4/2018 Release date Q4/2023
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Qualcomm Snapdragon 8cx (41%)
Intel Core Ultra 7 155H (100%)
⌀ Multi core performance in 1 CPU benchmarks
Qualcomm Snapdragon 8cx (24%)
Intel Core Ultra 7 155H (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
724 (41%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1746 (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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
2808 (24%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
11878 (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz
1843 (41%)
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%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
1761 (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
16825 (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.80 GHz
2294 (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
12749 (100%)

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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 4.20 GHz
24916 (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.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
2.84 GHz
0 (0%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16,825 CB R23 MC @ 75 W
224 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
3 (100%)
Intel Core Ultra 7 155H Intel Core Ultra 7 155H
16C 22T @ 1.40 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 8cx Intel Core Ultra 7 155H
Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S
ASUS Zenbook Duo (2024) UX8406

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