Qualcomm Snapdragon 805 vs Intel Atom C3958
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CPU comparison with benchmarks
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| Qualcomm Snapdragon 805 | Intel Atom C3958 | |
CPU comparisonIn this CPU comparison, we compare the Qualcomm Snapdragon 805 and the Intel Atom C3958 and use benchmarks to check which processor is faster.
We compare the Qualcomm Snapdragon 805 4 core processor released in Q4/2013 with the Intel Atom C3958 which has 16 CPU cores and was introduced in Q3/2017. |
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| Qualcomm Snapdragon (104) | Family | Intel Atom (108) |
| Qualcomm Snapdragon 805 (1) | CPU group | Intel Atom C3000 (20) |
| 2 | Generation | 5 |
| Krait 450 | Architecture | Denverton |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Qualcomm Snapdragon 805 is a 4 core processor with a clock frequency of 2.70 GHz. The processor can compute 4 threads at the same time. The Intel Atom C3958 clocks with 2.00 GHz, has 16 CPU cores and can calculate 16 threads in parallel. |
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| Qualcomm Snapdragon 805 | Characteristic | Intel Atom C3958 |
| 4 | Cores | 16 |
| 4 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.70 GHz | Frequency | 2.00 GHz |
| -- | Turbo Frequency (1 Core) | -- |
| -- | Turbo Frequency (All Cores) | -- |
NPU AI performanceThe performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. |
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| Qualcomm Snapdragon 805 | Characteristic | Intel Atom C3958 |
| Qualcomm AI engine | AI hardware | -- |
| Hexagon DSP V50 | AI specifications | -- |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| Qualcomm Adreno 420 | GPU | no iGPU |
| 0.50 GHz | GPU frequency | -- |
| 0.50 GHz | GPU (Turbo) | -- |
| 4 | GPU Generation | -- |
| 28 nm | Technology | |
| 0 | Max. displays | |
| -- | Compute units | -- |
| 128 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | -- |
| 11 | DirectX Version | -- |
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 420 | GPU | no iGPU |
| Decode | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 8 GB of memory in a maximum of 2 memory channels is supported by the Qualcomm Snapdragon 805, while the Intel Atom C3958 supports a maximum of 256 GB of memory with a maximum memory bandwidth of 38.4 GB/s enabled. |
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| Qualcomm Snapdragon 805 | Characteristic | Intel Atom C3958 |
| LPDDR3-1600 | Memory | DDR4-2400 |
| 8 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 25.6 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | 16.00 MB |
| -- | L3 Cache | -- |
| -- | PCIe version | 3.0 |
| -- | PCIe lanes | 16 |
| -- | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Qualcomm Snapdragon 805 has a TDP of --. The TDP of the Intel Atom C3958 is 31 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Qualcomm Snapdragon 805 | Characteristic | Intel Atom C3958 |
| -- | TDP (PL1 / PBP) | 31 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| -- | Tjunction max. | 100 °C |
Technical detailsThe Qualcomm Snapdragon 805 has 0.00 MB cache and is manufactured in 28 nm. The cache of Intel Atom C3958 is at 16.00 MB. The processor is manufactured in 14 nm. |
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| Qualcomm Snapdragon 805 | Characteristic | Intel Atom C3958 |
| 28 nm | Technology | 14 nm |
| Chiplet | Chip design | Monolithic |
| Armv7-A (32 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| -- | ISA extensions | SSE4.1, SSE4.2 |
| -- | Socket | BGA 1310 |
| None | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Android | Operating systems | Windows 10, Linux |
| Q4/2013 | Release date | Q3/2017 |
| -- | Release price | 449 $ |
| show more data | show more data | |
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4C 4T @ 2.70 GHz buy now on Amazon and save!
16C 16T @ 2.00 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 2 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 805
4C 4T @ 2.70 GHz |
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Intel Atom C3958
16C 16T @ 2.00 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 805
4C 4T @ 2.70 GHz |
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Intel Atom C3958
16C 16T @ 2.00 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 805
4C 4T @ 2.70 GHz |
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Intel Atom C3958
16C 16T @ 2.00 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 805
Qualcomm Adreno 420 @ 0.50 GHz |
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Intel Atom C3958
@ 0.00 GHz |
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Devices using this processor |
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| Qualcomm Snapdragon 805 | Intel Atom C3958 |
| Unknown | Unknown |
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