Qualcomm Snapdragon 7c vs Qualcomm Snapdragon 820
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 7c | Qualcomm Snapdragon 820 | |
CPU comparisonQualcomm Snapdragon 7c or Qualcomm Snapdragon 820 - 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 7c has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Qualcomm Snapdragon 7c was released in 2020. The Qualcomm Snapdragon 820 has 4 cores with 4 threads and clocks with a maximum frequency of 2.15 GHz. The CPU supports up to 12 GB of memory in 4 memory channels. The Qualcomm Snapdragon 820 was released in Q4/2015. |
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| Qualcomm Snapdragon (102) | Family | Qualcomm Snapdragon (102) |
| Qualcomm Snapdragon 7c (2) | CPU group | Qualcomm Snapdragon 820 (3) |
| 2 | Generation | 3 |
| Kryo 468 | Architecture | Kryo |
| Mobile | Segment | Mobile |
| -- | Predecessor | -- |
| Qualcomm Snapdragon 7c Gen 2 | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 7c is a 8 core processor with a clock frequency of 2.40 GHz. The Qualcomm Snapdragon 820 has 4 CPU cores with a clock frequency of 2.15 GHz. |
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| Qualcomm Snapdragon 7c | Characteristic | Qualcomm Snapdragon 820 |
| 8 | Cores | 4 |
| 8 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.40 GHz 2x Kryo 468 Gold |
A-Core | 2.15 GHz 2x Kryo |
| 2.40 GHz 6x Kryo 468 Silver |
B-Core | 1.60 GHz 2x Kryo |
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 7c | Characteristic | Qualcomm Snapdragon 820 |
| Qualcomm AI engine | AI hardware | Qualcomm AI engine |
| Hexagon 692 @ 5 TOPS | AI specifications | Hexagon 680 |
Internal GraphicsThe 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. |
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| Qualcomm Adreno 618 | GPU | Qualcomm Adreno 530 |
| 0.70 GHz | GPU frequency | 0.62 GHz |
| -- | GPU (Turbo) | 0.62 GHz |
| 6 | GPU Generation | 5 |
| 14 nm | Technology | 14 nm |
| 2 | Max. displays | 0 |
| -- | Compute units | -- |
| 128 | Shader | 256 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 4 GB | Max. GPU Memory | -- |
| 12.1 | DirectX Version | 11,1 |
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 618 | GPU | Qualcomm Adreno 530 |
| Decode | Codec h265 / HEVC (8 bit) | Decode |
| Decode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode |
| Decode | Codec VP9 | Decode |
| Decode | Codec VP8 | Decode |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode |
Memory & PCIeThe Qualcomm Snapdragon 7c supports a maximum of 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 820 can connect up to 12 GB of memory in 4 memory channels. |
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| Qualcomm Snapdragon 7c | Characteristic | Qualcomm Snapdragon 820 |
| LPDDR4X-4266 | Memory | LPDDR4-3733 |
| 8 GB | Max. Memory | 12 GB |
| 2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
| 17.1 GB/s | Max. Bandwidth | 14.9 GB/s |
| No | ECC | No |
| -- | L2 Cache | -- |
| -- | L3 Cache | -- |
| -- | PCIe version | -- |
| -- | PCIe lanes | -- |
| -- | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 7c has a TDP of --, that of the Qualcomm Snapdragon 820 is --. |
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| Qualcomm Snapdragon 7c | Characteristic | Qualcomm Snapdragon 820 |
| -- | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 7c has a 0.00 MB cache, while the Qualcomm Snapdragon 820 cache has a total of 0.00 MB. |
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| Qualcomm Snapdragon 7c | Characteristic | Qualcomm Snapdragon 820 |
| 8 nm | Technology | 14 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 | Operating systems | Android |
| 2020 | Release date | Q4/2015 |
| -- | Release price | -- |
| show more data | show more data | |
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4C 4T @ 2.15 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 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 7c
Qualcomm Adreno 618 @ 0.70 GHz |
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Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 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 7c
8C 8T @ 2.40 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 7c | Qualcomm Snapdragon 820 |
| HP Chromebook x2 11 Acer Aspire 1 A114-61 |
Unknown |
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