Qualcomm Snapdragon 8cx Gen 3 vs MediaTek MT8121
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 8cx Gen 3 | MediaTek MT8121 | |
CPU comparisonQualcomm Snapdragon 8cx Gen 3 or MediaTek MT8121 - 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 3 has 8 cores with 8 threads and clocks with a maximum frequency of 3.00 GHz. Up to 32 GB of memory is supported in 8 memory channels. The Qualcomm Snapdragon 8cx Gen 3 was released in Q1/2022. The MediaTek MT8121 has 4 cores with 4 threads and clocks with a maximum frequency of 1.30 GHz. The CPU supports up to GB of memory in 0 memory channels. The MediaTek MT8121 was released in Q4/2013. |
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| Qualcomm Snapdragon (102) | Family | Mediatek MT-Serie (72) |
| Qualcomm Snapdragon 8cx Gen 3 (1) | CPU group | MediaTek MT81xx A7 (5) |
| 3 | Generation | 1 |
| Cortex-X1 / Cortex-A78 | Architecture | Cortex-A7 |
| Mobile | Segment | Mobile |
| Qualcomm Snapdragon 8cx Gen. 2 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 8cx Gen 3 is a 8 core processor with a clock frequency of 3.00 GHz. The MediaTek MT8121 has 4 CPU cores with a clock frequency of 1.30 GHz. |
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| Qualcomm Snapdragon 8cx Gen 3 | Characteristic | MediaTek MT8121 |
| 8 | Cores | 4 |
| 8 | Threads | 4 |
| hybrid (big.LITTLE) | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 3.00 GHz 4x Kryo 680 Prime |
A-Core | 1.30 GHz 4x Cortex-A7 |
| 2.42 GHz 4x Kryo 680 Gold |
B-Core | -- |
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 3 | Characteristic | MediaTek MT8121 |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon | AI specifications | -- |
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 690 | GPU | PowerVR SGX544 |
| GPU frequency | 0.16 GHz | |
| -- | GPU (Turbo) | 0.16 GHz |
| 6 | GPU Generation | -- |
| 7 nm | Technology | 45nm |
| 0 | Max. displays | 1 |
| -- | Compute units | 2 |
| -- | Shader | 4 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 12.0 | DirectX Version | 10.1 |
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 | PowerVR SGX544 |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode / Encode |
| Decode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | Decode |
| No | Codec AV1 | No |
| Decode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Qualcomm Snapdragon 8cx Gen 3 supports a maximum of 32 GB of memory in 8 memory channels. The MediaTek MT8121 can connect up to GB of memory in 0 memory channels. |
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| Qualcomm Snapdragon 8cx Gen 3 | Characteristic | MediaTek MT8121 |
| LPDDR4X-4266 | Memory | |
| 32 GB | Max. Memory | |
| 8 (Octa Channel) | Memory channels | 0 |
| 68.2 GB/s | Max. Bandwidth | -- |
| 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 8cx Gen 3 has a TDP of 7 W, that of the MediaTek MT8121 is --. |
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| Qualcomm Snapdragon 8cx Gen 3 | Characteristic | MediaTek MT8121 |
| 7 W | TDP (PL1 / PBP) | -- |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | -- |
Technical detailsThe Qualcomm Snapdragon 8cx Gen 3 has a 0.00 MB cache, while the MediaTek MT8121 cache has a total of 0.00 MB. |
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| Qualcomm Snapdragon 8cx Gen 3 | Characteristic | MediaTek MT8121 |
| 5 nm | Technology | 28 nm |
| Chiplet | Chip design | Chiplet |
| Armv8-A (64 bit) | Instruction set (ISA) | Armv7-A (32 bit) |
| -- | ISA extensions | -- |
| -- | Socket | -- |
| None | Virtualization | None |
| No | AES-NI | No |
| Android, Windows 10 (ARM) | Operating systems | Android |
| Q1/2022 | Release date | Q4/2013 |
| -- | Release price | -- |
| show more data | show more data | |
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8C 8T @ 3.00 GHz buy now on Amazon and save!
4C 4T @ 1.30 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 3
8C 8T @ 3.00 GHz |
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MediaTek MT8121
4C 4T @ 1.30 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 3
8C 8T @ 3.00 GHz |
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MediaTek MT8121
4C 4T @ 1.30 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 3
8C 8T @ 3.00 GHz |
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MediaTek MT8121
4C 4T @ 1.30 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 3
8C 8T @ 3.00 GHz |
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MediaTek MT8121
4C 4T @ 1.30 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 3
Qualcomm Adreno 690 @ 0.00 GHz |
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MediaTek MT8121
PowerVR SGX544 @ 0.16 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 8cx Gen 3 | MediaTek MT8121 |
| Unknown | Unknown |
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