Qualcomm Snapdragon 8cx vs Intel Core i7-1255UL
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 8cx | Intel Core i7-1255UL | |
CPU comparisonIn this CPU comparison, we compare the Qualcomm Snapdragon 8cx and the Intel Core i7-1255UL 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 i7-1255UL which has 10 CPU cores and was introduced in Q3/2022. |
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| Qualcomm Snapdragon (104) | Family | Intel Core i7 (298) |
| Qualcomm Snapdragon 8cx (2) | CPU group | Intel Core i 1200P/1200U (21) |
| 2 | Generation | 12 |
| Kryo 495 | Architecture | Alder Lake U |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe 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 i7-1255UL clocks with 2.60 GHz (4.70 GHz), has 10 CPU cores and can calculate 12 threads in parallel. |
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| Qualcomm Snapdragon 8cx | Characteristic | Intel Core i7-1255UL |
| 8 | Cores | 10 |
| 8 | Threads | 12 |
| hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.84 GHz 4x Kryo 495 Gold |
A-Core | 2.60 GHz (4.70 GHz) 2x Golden Cove |
| 1.80 GHz 4x Kryo 495 Silver |
B-Core | 1.20 GHz (3.50 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 | Characteristic | Intel Core i7-1255UL |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon 685 @ 3 TOPS | AI specifications | -- |
| -- | 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. |
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| Qualcomm Adreno 680 | GPU | Intel Iris Xe Graphics 96 (Alder Lake) |
| 0.25 GHz | GPU frequency | 0.35 GHz |
| 0.59 GHz | GPU (Turbo) | 1.25 GHz |
| 5 | GPU Generation | 13 |
| 7 nm | Technology | 10 nm |
| 2 | Max. displays | 4 |
| 8 | Compute units | 96 |
| 768 | Shader | 768 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 4 GB | 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 680 | 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 & PCIeUp to 16 GB of memory in a maximum of 8 memory channels is supported by the Qualcomm Snapdragon 8cx, while the Intel Core i7-1255UL supports a maximum of 64 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled. |
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| Qualcomm Snapdragon 8cx | Characteristic | Intel Core i7-1255UL |
| LPDDR4X-4266 | Memory | DDR5-4800, DDR4-3200 |
| 16 GB | Max. Memory | 64 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 68.2 GB/s | Max. Bandwidth | 76.8 GB/s |
| No | ECC | No |
| -- | L2 Cache | 6.50 MB |
| 2.00 MB | L3 Cache | 12.00 MB |
| -- | PCIe version | 4.0 |
| -- | PCIe lanes | 28 |
| -- | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP of the Intel Core i7-1255UL is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Qualcomm Snapdragon 8cx | Characteristic | Intel Core i7-1255UL |
| 7 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 55 W |
| -- | TDP up | 28 W |
| -- | TDP down | 12 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 8cx has 2.00 MB cache and is manufactured in 7 nm. The cache of Intel Core i7-1255UL is at 18.50 MB. The processor is manufactured in 10 nm. |
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| Qualcomm Snapdragon 8cx | Characteristic | Intel Core i7-1255UL |
| 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 | Q3/2022 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 8T @ 2.84 GHz buy now on Amazon and save!
10C 12T @ 2.60 GHz (4.70 GHz) buy now on Amazon and save!
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Rate these processors
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
Qualcomm Adreno 680 @ 0.59 GHz |
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Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz |
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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
8C 8T @ 2.84 GHz |
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Intel Core i7-1255UL
10C 12T @ 4.70 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
8C 8T @ 2.84 GHz |
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Intel Core i7-1255UL
10C 12T @ 3.30 GHz |
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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
8C 8T @ 2.84 GHz |
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Intel Core i7-1255UL
10C 12T @ 2.60 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 8cx | Intel Core i7-1255UL |
| Lenovo Flex 5G Lenovo Yoga C 5G Samsung Galaxy Book S |
Unknown |
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