Qualcomm Snapdragon 870 vs Intel Core i7-1355U

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CPU comparison with benchmarks


Qualcomm Snapdragon 870 CPU1 vs CPU2 Intel Core i7-1355U
Qualcomm Snapdragon 870 Intel Core i7-1355U

CPU comparison

Qualcomm Snapdragon 870 or Intel Core i7-1355U - 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 Qualcomm Snapdragon 870 has 8 cores with 8 threads and clocks with a maximum frequency of 3.20 GHz. Up to 16 GB of memory is supported in 4 memory channels. The Qualcomm Snapdragon 870 was released in Q2/2021.

The Intel Core i7-1355U has 10 cores with 12 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core i7-1355U was released in Q1/2023.
Qualcomm Snapdragon (102) Family Intel Core i7 (298)
Qualcomm Snapdragon 865/870 (3) CPU group Intel Core i 1300P/1300U (29)
7 Generation 13
Kryo 585 Architecture Raptor Lake U
Mobile Segment Mobile
-- Predecessor Intel Core i7-1255U
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 870 is a 8 core processor with a clock frequency of 3.20 GHz. The Intel Core i7-1355U has 10 CPU cores with a clock frequency of 1.70 GHz (5.00 GHz).

Qualcomm Snapdragon 870 Characteristic Intel Core i7-1355U
8 Cores 10
8 Threads 12
hybrid (Prime / big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading Yes
No Overclocking ? No
3.20 GHz
1x Kryo 585 Prime
A-Core 1.70 GHz (5.00 GHz)
2x Raptor Cove
2.42 GHz
3x Kryo 585 Gold
B-Core 1.20 GHz (3.70 GHz)
8x Gracemont
1.80 GHz
4x Kryo 585 Silver
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.

Qualcomm Snapdragon 870 Characteristic Intel Core i7-1355U
Qualcomm AI engine AI hardware --
Hexagon 698 @ 15 TOPS 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.

Qualcomm Adreno 650 GPU Intel Iris Xe Graphics 96 (Alder Lake)
0.25 GHz GPU frequency 0.35 GHz
0.67 GHz GPU (Turbo) 1.30 GHz
6 GPU Generation 13
7 nm Technology 10 nm
1 Max. displays 4
2 Compute units 96
512 Shader 768
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
12.0 DirectX Version 12.1

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 650 GPU Intel Iris Xe Graphics 96 (Alder 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 / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode
No Codec AV1 Decode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Qualcomm Snapdragon 870 supports a maximum of 16 GB of memory in 4 memory channels. The Intel Core i7-1355U can connect up to 96 GB of memory in 2 memory channels.

Qualcomm Snapdragon 870 Characteristic Intel Core i7-1355U
LPDDR5-5500, LPDDR4X-4266 Memory LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200
16 GB Max. Memory 96 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
44.0 GB/s Max. Bandwidth 102.4 GB/s
No ECC No
2.00 MB L2 Cache --
7.00 MB L3 Cache 12.00 MB
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 870 has a TDP of 10 W, that of the Intel Core i7-1355U is 15 W.

Qualcomm Snapdragon 870 Characteristic Intel Core i7-1355U
10 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) 55 W
-- TDP up --
-- TDP down 12 W
-- Tjunction max. 100 °C

Technical details

The Qualcomm Snapdragon 870 has a 9.00 MB cache, while the Intel Core i7-1355U cache has a total of 12.00 MB.

Qualcomm Snapdragon 870 Characteristic Intel Core i7-1355U
7 nm Technology 10 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket BGA 1744
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Windows 11, Linux
Q2/2021 Release date Q1/2023
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Qualcomm Snapdragon 870 to help other visitors make their purchasing decisions. The average rating is 4.4 stars (38 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Qualcomm Snapdragon 870 (52%)
Intel Core i7-1355U (100%)
⌀ Multi core performance in 3 CPU benchmarks
Qualcomm Snapdragon 870 (43%)
Intel Core i7-1355U (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
996 (58%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
1703 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
3240 (43%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
7451 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
1121 (46%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
2458 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
3110 (44%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
7122 (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 870 Qualcomm Snapdragon 870
Qualcomm Adreno 650 @ 0.67 GHz
1418 (71%)
Intel Core i7-1355U Intel Core i7-1355U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.30 GHz
1993 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
6404 (41%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
15630 (100%)

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.
Qualcomm Snapdragon 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
0 (0%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
91 (100%)

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.
Qualcomm Snapdragon 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
0 (0%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
287 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
0 (0%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
1819 (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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
0 (0%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
9687 (100%)

AnTuTu 9 Benchmark

The AnTuTu 9 benchmark is very well suited to measuring the performance of a smartphone. AnTuTu 9 is quite heavy on 3D graphics and can now also use the "Metal" graphics interface. In AnTuTu, memory and UX (user experience) are also tested by simulating browser and app usage. AnTuTu version 9 can compare any ARM CPU running on Android or iOS. Devices may not be directly comparable when benchmarked on different operating systems.

In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
Qualcomm Snapdragon 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
727650 (100%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
0 (0%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
Qualcomm Snapdragon 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
651364 (100%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
0 (0%)

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 870 Qualcomm Snapdragon 870
3.20 GHz
0 (0%)
Intel Core i7-1355U Intel Core i7-1355U
9,687 CB R23 MC @ 52 W
187 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

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 870 Qualcomm Snapdragon 870
8C 8T @ 3.20 GHz
15 (100%)
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 1.70 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 870 Intel Core i7-1355U
Unknown Unknown

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