Intel Atom C3955 vs Intel Core i5-12600H
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CPU comparison with benchmarks
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| Intel Atom C3955 | Intel Core i5-12600H | |
CPU comparisonIntel Atom C3955 or Intel Core i5-12600H - 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 Intel Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3955 was released in Q3/2017. The Intel Core i5-12600H has 12 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-12600H was released in Q1/2022. |
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| Intel Atom (108) | Family | Intel Core i5 (331) |
| Intel Atom C3000 (20) | CPU group | Intel Core i 12000H (23) |
| 5 | Generation | 12 |
| Denverton | Architecture | Alder Lake H |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | Intel Core i5-13600H |
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CPU Cores and Base FrequencyThe Intel Atom C3955 has 16 CPU cores and can calculate 16 threads in parallel. The clock frequency of the Intel Atom C3955 is 2.10 GHz (2.40 GHz) while the Intel Core i5-12600H has 12 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i5-12600H is at 2.00 GHz (4.50 GHz). |
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| Intel Atom C3955 | Characteristic | Intel Core i5-12600H |
| 16 | Cores | 12 |
| 16 | Threads | 16 |
| normal | Core architecture | hybrid (big.LITTLE) |
| No | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.10 GHz (2.40 GHz) | A-Core | 2.00 GHz (4.50 GHz) 4x Golden Cove |
| -- | B-Core | 2.00 GHz (3.30 GHz) 8x Gracemont |
Internal GraphicsThe Intel Atom C3955 or Intel Core i5-12600H 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 | Intel Iris Xe Graphics 80 (Alder Lake) |
| GPU frequency | 0.40 GHz | |
| -- | GPU (Turbo) | 1.40 GHz |
| -- | GPU Generation | 13 |
| Technology | 10 nm | |
| Max. displays | 4 | |
| -- | Compute units | 80 |
| -- | Shader | 640 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| -- | 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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| no iGPU | GPU | Intel Iris Xe Graphics 80 (Alder Lake) |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom C3955 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Core i5-12600H supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s. |
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| Intel Atom C3955 | Characteristic | Intel Core i5-12600H |
| DDR4-2400 | Memory | LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200 |
| 256 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 83.2 GB/s |
| Yes | ECC | No |
| 16.00 MB | L2 Cache | 9.00 MB |
| -- | L3 Cache | 18.00 MB |
| 3.0 | PCIe version | 4.0 |
| 16 | PCIe lanes | 28 |
| 15.8 GB/s | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom C3955 is 32 W, while the Intel Core i5-12600H has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Atom C3955 | Characteristic | Intel Core i5-12600H |
| 32 W | TDP (PL1 / PBP) | 45 W |
| -- | TDP (PL2) | 95 W |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Atom C3955 is manufactured in 14 nm and has 16.00 MB cache. The Intel Core i5-12600H is manufactured in 10 nm and has a 27.00 MB cache. |
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| Intel Atom C3955 | Characteristic | Intel Core i5-12600H |
| 14 nm | Technology | 10 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX2+ |
| BGA 1310 | Socket | BGA 1744 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q3/2017 | Release date | Q1/2022 |
| 434 $ | Release price | 311 $ |
| show more data | show more data | |
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12C 16T @ 2.00 GHz (4.50 GHz) buy now on Amazon and save!
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Rate these processors
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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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Core i5-12600H
12C 16T @ 4.50 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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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Core i5-12600H
12C 16T @ 3.20 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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Intel Atom C3955
@ 0.00 GHz |
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Intel Core i5-12600H
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.40 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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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Core i5-12600H
12C 16T @ 3.20 GHz |
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Devices using this processor |
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| Intel Atom C3955 | Intel Core i5-12600H |
| Unknown | Unknown |
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