Qualcomm Snapdragon 8cx Gen. 2 vs Intel Core i7-1355U
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 8cx Gen. 2 | Intel Core i7-1355U | |
CPU comparisonQualcomm Snapdragon 8cx Gen. 2 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 8cx Gen. 2 has 8 cores with 8 threads and clocks with a maximum frequency of 3.15 GHz. Up to 32 GB of memory is supported in 8 memory channels. The Qualcomm Snapdragon 8cx Gen. 2 was released in Q4/2018. 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. |
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| Qualcomm Snapdragon (104) | Family | Intel Core i7 (298) |
| Qualcomm Snapdragon 8cx (2) | CPU group | Intel Core i 1300P/1300U (29) |
| 2 | Generation | 13 |
| Kryo 495 | Architecture | Raptor Lake U |
| Mobile | Segment | Mobile |
| -- | Predecessor | Intel Core i7-1255U |
| Qualcomm Snapdragon 8cx Gen 3 | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 8cx Gen. 2 has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Qualcomm Snapdragon 8cx Gen. 2 is 3.15 GHz while the Intel Core i7-1355U has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i7-1355U is at 1.70 GHz (5.00 GHz). |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Intel Core i7-1355U |
| 8 | Cores | 10 |
| 8 | Threads | 12 |
| hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 3.15 GHz 4x Kryo 495 Gold |
A-Core | 1.70 GHz (5.00 GHz) 2x Raptor Cove |
| 1.80 GHz 4x Kryo 495 Silver |
B-Core | 1.20 GHz (3.70 GHz) 8x Gracemont |
NPU AI performanceThe 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. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Intel Core i7-1355U |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon 690 @ 7 TOPS | AI specifications | -- |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Qualcomm Snapdragon 8cx Gen. 2 or Intel Core i7-1355U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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| Qualcomm Adreno 690 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| 0.25 GHz | GPU frequency | 0.35 GHz |
| 0.59 GHz | GPU (Turbo) | 1.30 GHz |
| 6 | GPU Generation | 13 |
| 7 nm | Technology | 10 nm |
| 0 | Max. displays | 4 |
| -- | Compute units | 96 |
| -- | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| 12.0 | DirectX Version | 12.1 |
Hardware codec supportA 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. |
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| Qualcomm Adreno 690 | 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 | 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 & PCIeThe Qualcomm Snapdragon 8cx Gen. 2 can use up to 32 GB of memory in 8 memory channels. The maximum memory bandwidth is 68.2 GB/s. The Intel Core i7-1355U supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 102.4 GB/s. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Intel Core i7-1355U |
| LPDDR4X-4266 | Memory | LPDDR5-6400, LPDDR4X-4266, DDR5-5200, DDR4-3200 |
| 32 GB | Max. Memory | 96 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 68.2 GB/s | Max. Bandwidth | 102.4 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | 12.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 20 |
| -- | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon 8cx Gen. 2 is 7 W, while the Intel Core i7-1355U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Intel Core i7-1355U |
| 7 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 55 W |
| -- | TDP up | -- |
| -- | TDP down | 12 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 8cx Gen. 2 is manufactured in 7 nm and has 2.00 MB cache. The Intel Core i7-1355U is manufactured in 10 nm and has a 12.00 MB cache. |
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| Qualcomm Snapdragon 8cx Gen. 2 | 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, Windows 10 (ARM) | Operating systems | Windows 10, Windows 11, Linux |
| Q4/2018 | Release date | Q1/2023 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 8T @ 3.15 GHz buy now on Amazon and save!
10C 12T @ 1.70 GHz (5.00 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks
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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 5.00 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
Qualcomm Adreno 690 @ 0.59 GHz |
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Intel Core i7-1355U
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.30 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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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.
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Qualcomm Snapdragon 8cx Gen. 2
3.15 GHz |
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Intel Core i7-1355U
9,687 CB R23 MC @ 52 W |
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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).
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).
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Intel Core i7-1355U
10C 12T @ 1.70 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 8cx Gen. 2 | Intel Core i7-1355U |
| Lenovo Flex 5G Lenovo Yoga C 5G Samsung Galaxy Book S |
Unknown |
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