Intel Atom C3955 vs Intel Pentium 997
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CPU comparison with benchmarks
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| Intel Atom C3955 | Intel Pentium 997 | |
CPU comparisonIntel Atom C3955 or Intel Pentium 997 - 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 Pentium 997 has 2 cores with 2 threads and clocks with a maximum frequency of 1.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Pentium 997 was released in Q3/2012. |
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| Intel Atom (108) | Family | Intel Pentium (150) |
| Intel Atom C3000 (20) | CPU group | Intel Pentium 900 (10) |
| 5 | Generation | 3 |
| Denverton | Architecture | Sandy Bridge U |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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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 Pentium 997 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Pentium 997 is at 1.60 GHz. |
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| Intel Atom C3955 | Characteristic | Intel Pentium 997 |
| 16 | Cores | 2 |
| 16 | Threads | 2 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.10 GHz | Frequency | 1.60 GHz |
| 2.40 GHz | Turbo Frequency (1 Core) | -- |
| 2.40 GHz | Turbo Frequency (All Cores) | -- |
Internal GraphicsThe Intel Atom C3955 or Intel Pentium 997 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 HD Graphics (Sandy Bridge GT1) |
| GPU frequency | 0.35 GHz | |
| -- | GPU (Turbo) | 1.00 GHz |
| -- | GPU Generation | 6 |
| Technology | 32 nm | |
| Max. displays | 2 | |
| -- | Compute units | 6 |
| -- | Shader | 48 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 2 GB |
| -- | 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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| no iGPU | GPU | Intel HD Graphics (Sandy Bridge GT1) |
| No | Codec h265 / HEVC (8 bit) | No |
| No | Codec h265 / HEVC (10 bit) | No |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | No |
| No | Codec VP8 | No |
| No | Codec AV1 | No |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | No |
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 Pentium 997 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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| Intel Atom C3955 | Characteristic | Intel Pentium 997 |
| DDR4-2400 | Memory | DDR3-1066, DDR3-1333 |
| 256 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 38.4 GB/s | Max. Bandwidth | 21.3 GB/s |
| Yes | ECC | No |
| 16.00 MB | L2 Cache | -- |
| -- | L3 Cache | 2.00 MB |
| 3.0 | PCIe version | 2.0 |
| 16 | PCIe lanes | 16 |
| 15.8 GB/s | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom C3955 is 32 W, while the Intel Pentium 997 has a TDP of 17 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 Pentium 997 |
| 32 W | TDP (PL1 / PBP) | 17 W |
| -- | TDP (PL2) | -- |
| -- | 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 Pentium 997 is manufactured in 32 nm and has a 2.00 MB cache. |
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| Intel Atom C3955 | Characteristic | Intel Pentium 997 |
| 14 nm | Technology | 32 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 |
| BGA 1310 | Socket | BGA 1023 |
| 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, Linux |
| Q3/2017 | Release date | Q3/2012 |
| 434 $ | Release price | -- |
| show more data | show more data | |
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2C 2T @ 1.60 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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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Pentium 997
2C 2T @ 1.60 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 Pentium 997
2C 2T @ 1.60 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 Pentium 997
Intel HD Graphics (Sandy Bridge GT1) @ 1.00 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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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Intel Pentium 997
2C 2T @ 1.60 GHz |
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Devices using this processor |
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| Intel Atom C3955 | Intel Pentium 997 |
| Unknown | Unknown |
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