AMD Opteron X3421 | Qualcomm Snapdragon 678 | |
CPU comparisonAMD Opteron X3421 or Qualcomm Snapdragon 678 - 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 AMD Opteron X3421 has 4 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Opteron X3421 was released in Q2/2015. The Qualcomm Snapdragon 678 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Qualcomm Snapdragon 678 was released in Q4/2020. |
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AMD Opteron (4) | Family | Qualcomm Snapdragon (102) |
AMD Opteron X3000 (3) | CPU group | Qualcomm Snapdragon 675/678 (2) |
0 | Generation | 7 |
Toronto (Excavator) | Architecture | Kryo 460 |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Qualcomm Snapdragon 675 |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Opteron X3421 is a 4 core processor with a clock frequency of 2.10 GHz (3.40 GHz). The Qualcomm Snapdragon 678 has 8 CPU cores with a clock frequency of 2.20 GHz. |
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AMD Opteron X3421 | Characteristic | Qualcomm Snapdragon 678 |
4 | Cores | 8 |
4 | Threads | 8 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | No |
No | Overclocking ? | No |
2.10 GHz (3.40 GHz) | A-Core | 2.20 GHz 2x Kryo 460 Gold |
-- | B-Core | 1.70 GHz 6x Kryp 460 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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AMD Opteron X3421 | Characteristic | Qualcomm Snapdragon 678 |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 685 @ 3 TOPS |
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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AMD Radeon R7 - 512 (Toronto) | GPU | Qualcomm Adreno 612 |
0.80 GHz | GPU frequency | 0.85 GHz |
-- | GPU (Turbo) | 0.85 GHz |
0 | GPU Generation | 6 |
Technology | 11 nm | |
3 | Max. displays | 0 |
8 | Compute units | -- |
512 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 GB | Max. GPU Memory | -- |
12 | 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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AMD Radeon R7 - 512 (Toronto) | GPU | Qualcomm Adreno 612 |
Decode | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | Decode |
No | Codec VC-1 | Decode |
Decode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Opteron X3421 supports a maximum of GB of memory in 2 memory channels. The Qualcomm Snapdragon 678 can connect up to 8 GB of memory in 2 memory channels. |
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AMD Opteron X3421 | Characteristic | Qualcomm Snapdragon 678 |
DDR4-2400 | Memory | LPDDR4X-3733 |
Max. Memory | 8 GB | |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 14.9 GB/s |
Yes | ECC | No |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | -- |
3.0 | PCIe version | -- |
8 | PCIe lanes | -- |
7.9 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Opteron X3421 has a TDP of 15 W, that of the Qualcomm Snapdragon 678 is --. |
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AMD Opteron X3421 | Characteristic | Qualcomm Snapdragon 678 |
15 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
35 W | TDP up | -- |
12 W | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Opteron X3421 has a 2.00 MB cache, while the Qualcomm Snapdragon 678 cache has a total of 0.00 MB. |
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AMD Opteron X3421 | Characteristic | Qualcomm Snapdragon 678 |
28 nm | Technology | 11 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2 | ISA extensions | -- |
FP4 | Socket | -- |
AMD-V, AMD-Vt | Virtualization | None |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q2/2015 | Release date | Q4/2020 |
-- | Release price | -- |
show more data | show more data | |
AMD Opteron X3421
4C 4T @ 3.40 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
AMD Opteron X3421
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
AMD Opteron X3421
4C 4T @ 3.40 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
AMD Opteron X3421
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
AMD Opteron X3421
AMD Radeon R7 - 512 (Toronto) @ 0.80 GHz |
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Qualcomm Snapdragon 678
Qualcomm Adreno 612 @ 0.85 GHz |
AMD Opteron X3421
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
AMD Opteron X3421
4C 4T @ 2.10 GHz |
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Qualcomm Snapdragon 678
8C 8T @ 2.20 GHz |
Devices using this processor |
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AMD Opteron X3421 | Qualcomm Snapdragon 678 |
Unknown | Xiaomi Redmi Note 10 Motorola Moto G Stylus 2021 |