AMD Athlon II X4 635 | Qualcomm Snapdragon 820 | |
CPU comparisonAMD Athlon II X4 635 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 AMD Athlon II X4 635 has 4 cores with 4 threads and clocks with a maximum frequency of 2.90 GHz. Up to 16 GB of memory is supported in 2 memory channels. The AMD Athlon II X4 635 was released in Q1/2010. 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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AMD Athlon II (52) | Family | Qualcomm Snapdragon (102) |
AMD Athlon II X4 (Propus) (10) | CPU group | Qualcomm Snapdragon 820 (3) |
1 | Generation | 3 |
Propus | Architecture | Kryo |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Athlon II X4 635 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Athlon II X4 635 is 2.90 GHz while the Qualcomm Snapdragon 820 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Qualcomm Snapdragon 820 is at 2.15 GHz. |
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AMD Athlon II X4 635 | Characteristic | Qualcomm Snapdragon 820 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | hybrid (big.LITTLE) |
No | Hyperthreading | No |
No | Overclocking ? | No |
2.90 GHz | A-Core | 2.15 GHz 2x Kryo |
-- | 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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AMD Athlon II X4 635 | Characteristic | Qualcomm Snapdragon 820 |
-- | AI hardware | Qualcomm AI engine |
-- | AI specifications | Hexagon 680 |
Internal GraphicsThe AMD Athlon II X4 635 or Qualcomm Snapdragon 820 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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no iGPU | GPU | Qualcomm Adreno 530 |
GPU frequency | 0.62 GHz | |
-- | GPU (Turbo) | 0.62 GHz |
-- | GPU Generation | 5 |
Technology | 14 nm | |
Max. displays | 0 | |
-- | Compute units | -- |
-- | Shader | 256 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | -- |
-- | 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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no iGPU | GPU | Qualcomm Adreno 530 |
No | Codec h265 / HEVC (8 bit) | Decode |
No | Codec h265 / HEVC (10 bit) | No |
No | Codec h264 | Decode |
No | Codec VP9 | Decode |
No | Codec VP8 | Decode |
No | Codec AV1 | No |
No | Codec AVC | No |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode |
Memory & PCIeThe AMD Athlon II X4 635 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Qualcomm Snapdragon 820 supports up to 12 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 14.9 GB/s. |
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AMD Athlon II X4 635 | Characteristic | Qualcomm Snapdragon 820 |
DDR3-1333 | Memory | LPDDR4-3733 |
16 GB | Max. Memory | 12 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
21.3 GB/s | Max. Bandwidth | 14.9 GB/s |
No | ECC | No |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | -- |
2.0 | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Athlon II X4 635 is 95 W, while the Qualcomm Snapdragon 820 has a TDP of --. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Athlon II X4 635 | Characteristic | Qualcomm Snapdragon 820 |
95 W | TDP (PL1 / PBP) | -- |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe AMD Athlon II X4 635 is manufactured in 45 nm and has 2.00 MB cache. The Qualcomm Snapdragon 820 is manufactured in 14 nm and has a 0.00 MB cache. |
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AMD Athlon II X4 635 | Characteristic | Qualcomm Snapdragon 820 |
45 nm | Technology | 14 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | Armv8-A (64 bit) |
MMX, 3DNow!, SSE3, SSE4a | ISA extensions | -- |
AM3 | Socket | -- |
AMD-V | Virtualization | None |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Android |
Q1/2010 | Release date | Q4/2015 |
-- | Release price | -- |
show more data | show more data | |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
@ 0.00 GHz |
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Qualcomm Snapdragon 820
Qualcomm Adreno 530 @ 0.62 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
AMD Athlon II X4 635
4C 4T @ 2.90 GHz |
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Qualcomm Snapdragon 820
4C 4T @ 2.15 GHz |
Devices using this processor |
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AMD Athlon II X4 635 | Qualcomm Snapdragon 820 |
Unknown | Unknown |