Intel Pentium 2129Y vs Intel Atom C3955
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CPU comparison with benchmarks
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| Intel Pentium 2129Y | Intel Atom C3955 | |
CPU comparisonIntel Pentium 2129Y or Intel Atom C3955 - 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 Pentium 2129Y has 2 cores with 2 threads and clocks with a maximum frequency of 1.10 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Pentium 2129Y was released in Q1/2013. The Intel Atom C3955 has 16 cores with 16 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3955 was released in Q3/2017. |
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| Intel Pentium (150) | Family | Intel Atom (108) |
| Intel Pentium 2000 (5) | CPU group | Intel Atom C3000 (20) |
| 4 | Generation | 5 |
| Ivy Bridge U | Architecture | Denverton |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Pentium 2129Y has 2 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Pentium 2129Y is 1.10 GHz while the Intel Atom C3955 has 16 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Atom C3955 is at 2.10 GHz (2.40 GHz). |
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| Intel Pentium 2129Y | Characteristic | Intel Atom C3955 |
| 2 | Cores | 16 |
| 2 | Threads | 16 |
| normal | Core architecture | normal |
| No | Hyperthreading | No |
| No | Overclocking ? | No |
| 1.10 GHz | Frequency | 2.10 GHz |
| -- | Turbo Frequency (1 Core) | 2.40 GHz |
| -- | Turbo Frequency (All Cores) | 2.40 GHz |
Internal GraphicsThe Intel Pentium 2129Y or Intel Atom C3955 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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| Intel HD Graphics (Ivy Bridge GT1) | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 0.85 GHz | GPU (Turbo) | -- |
| 7 | GPU Generation | -- |
| 22 nm | Technology | |
| 3 | Max. displays | |
| 6 | Compute units | -- |
| 48 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 2 GB | Max. GPU Memory | -- |
| 11.0 | 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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| Intel HD Graphics (Ivy Bridge GT1) | GPU | no iGPU |
| No | 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 |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode | Codec JPEG | No |
Memory & PCIeThe Intel Pentium 2129Y can use up to 32 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Atom C3955 supports up to 256 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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| Intel Pentium 2129Y | Characteristic | Intel Atom C3955 |
| DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600 | Memory | DDR4-2400 |
| 32 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 |
| 2.00 MB | L3 Cache | -- |
| 2.0 | PCIe version | 3.0 |
| 16 | PCIe lanes | 16 |
| 8.0 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Pentium 2129Y is 10 W, while the Intel Atom C3955 has a TDP of 32 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Pentium 2129Y | Characteristic | Intel Atom C3955 |
| 10 W | TDP (PL1 / PBP) | 32 W |
| -- | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 90 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Pentium 2129Y is manufactured in 22 nm and has 2.00 MB cache. The Intel Atom C3955 is manufactured in 14 nm and has a 16.00 MB cache. |
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| Intel Pentium 2129Y | Characteristic | Intel Atom C3955 |
| 22 nm | Technology | 14 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 1023 | Socket | BGA 1310 |
| 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 |
| Q1/2013 | Release date | Q3/2017 |
| -- | Release price | 434 $ |
| show more data | show more data | |
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16C 16T @ 2.10 GHz (2.40 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 Pentium 2129Y
2C 2T @ 1.10 GHz |
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Intel Atom C3955
16C 16T @ 2.40 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 Pentium 2129Y
2C 2T @ 1.10 GHz |
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Intel Atom C3955
16C 16T @ 2.40 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 Pentium 2129Y
Intel HD Graphics (Ivy Bridge GT1) @ 0.85 GHz |
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Intel Atom C3955
@ 0.00 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 Pentium 2129Y
2C 2T @ 1.10 GHz |
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Intel Atom C3955
16C 16T @ 2.40 GHz |
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Devices using this processor |
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| Intel Pentium 2129Y | Intel Atom C3955 |
| Unknown | Unknown |
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