Qualcomm Snapdragon 8cx Gen. 2 vs Qualcomm Snapdragon 7c
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 8cx Gen. 2 | Qualcomm Snapdragon 7c | |
CPU comparisonQualcomm Snapdragon 8cx Gen. 2 or Qualcomm Snapdragon 7c - 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 Qualcomm Snapdragon 7c has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 7c was released in 2020. |
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| Qualcomm Snapdragon (102) | Family | Qualcomm Snapdragon (102) |
| Qualcomm Snapdragon 8cx (2) | CPU group | Qualcomm Snapdragon 7c (2) |
| 2 | Generation | 2 |
| Kryo 495 | Architecture | Kryo 468 |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| Qualcomm Snapdragon 8cx Gen 3 | Successor | Qualcomm Snapdragon 7c Gen 2 |
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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 Qualcomm Snapdragon 7c has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 7c is at 2.40 GHz. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Qualcomm Snapdragon 7c |
| 8 | Cores | 8 |
| 8 | Threads | 8 |
| hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.15 GHz 4x Kryo 495 Gold |
A-Core | 2.40 GHz 2x Kryo 468 Gold |
| 1.80 GHz 4x Kryo 495 Silver |
B-Core | 2.40 GHz 6x Kryo 468 Silver |
Artificial Intelligence and Machine LearningProcessors 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. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Qualcomm Snapdragon 7c |
| Qualcomm AI engine | AI hardware | Qualcomm AI engine |
| Hexagon 690 @ 7 TOPS | AI specifications | Hexagon 692 @ 5 TOPS |
Internal GraphicsThe Qualcomm Snapdragon 8cx Gen. 2 or Qualcomm Snapdragon 7c 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 | Qualcomm Adreno 618 |
| 0.25 GHz | GPU frequency | 0.70 GHz |
| 0.59 GHz | GPU (Turbo) | -- |
| 6 | GPU Generation | 6 |
| 7 nm | Technology | 14 nm |
| 0 | Max. displays | 2 |
| -- | Compute units | -- |
| -- | Shader | 128 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 4 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 | Qualcomm Adreno 618 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | Decode |
| Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | Decode |
| Decode / Encode | Codec VP8 | Decode |
| No | Codec AV1 | No |
| Decode | Codec AVC | Decode |
| 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 Qualcomm Snapdragon 7c supports up to 8 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 17.1 GB/s. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Qualcomm Snapdragon 7c |
| LPDDR4X-4266 | Memory | LPDDR4X-4266 |
| 32 GB | Max. Memory | 8 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 68.2 GB/s | Max. Bandwidth | 17.1 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| 2.00 MB | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Qualcomm Snapdragon 8cx Gen. 2 is 7 W, while the Qualcomm Snapdragon 7c has a TDP of --. 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 | Qualcomm Snapdragon 7c |
| 7 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 8cx Gen. 2 is manufactured in 7 nm and has 2.00 MB cache. The Qualcomm Snapdragon 7c is manufactured in 8 nm and has a 0.00 MB cache. |
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| Qualcomm Snapdragon 8cx Gen. 2 | Characteristic | Qualcomm Snapdragon 7c |
| 7 nm | Technology | 8 nm |
| Chiplet | Chip design | Chiplet |
| Armv8-A (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
| -- | ISA extensions | -- |
| -- | Socket | -- |
| None | Virtualization | None |
| No | AES-NI | No |
| Android, Windows 10 (ARM) | Operating systems | Android |
| Q4/2018 | Release date | 2020 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 8T @ 3.15 GHz buy now on Amazon and save!
8C 8T @ 2.40 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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Qualcomm Snapdragon 7c
8C 8T @ 2.40 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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Qualcomm Snapdragon 7c
8C 8T @ 2.40 GHz |
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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).
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Qualcomm Snapdragon 8cx Gen. 2
8C 8T @ 3.15 GHz |
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Qualcomm Snapdragon 7c
8C 8T @ 2.40 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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Qualcomm Snapdragon 7c
Qualcomm Adreno 618 @ 0.70 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 8cx Gen. 2 | Qualcomm Snapdragon 7c |
| Lenovo Flex 5G Lenovo Yoga C 5G Samsung Galaxy Book S |
HP Chromebook x2 11 Acer Aspire 1 A114-61 |
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