Intel Atom N2800 vs Intel Core Ultra 5 125H
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CPU comparison with benchmarks
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| Intel Atom N2800 | Intel Core Ultra 5 125H | |
CPU comparisonIntel Atom N2800 or Intel Core Ultra 5 125H - 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 N2800 has 2 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. Up to 4 GB of memory is supported in 1 memory channels. The Intel Atom N2800 was released in Q4/2011. The Intel Core Ultra 5 125H has 14 cores with 18 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 5 125H was released in Q4/2023. |
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| Intel Atom (108) | Family | Intel Core Ultra 5 (10) |
| Intel Atom N2000 (3) | CPU group | Intel Core Ultra 100H (5) |
| 3 | Generation | 1 |
| Cedarview | Architecture | Meteor Lake H |
| Desktop / Server | Segment | Mobile |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Atom N2800 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom N2800 is 1.86 GHz while the Intel Core Ultra 5 125H has 14 CPU cores and 18 threads can calculate simultaneously. The clock frequency of the Intel Core Ultra 5 125H is at 1.20 GHz (4.50 GHz). |
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| Intel Atom N2800 | Characteristic | Intel Core Ultra 5 125H |
| 2 | Cores | 14 |
| 4 | Threads | 18 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.86 GHz | A-Core | 1.20 GHz (4.50 GHz) 4x Redwood Cove |
| -- | B-Core | 0.70 GHz (3.60 GHz) 8x Crestmont |
| -- | C-Core | 0.70 GHz (2.50 GHz) 2x Crestmont |
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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| Intel Atom N2800 | Characteristic | Intel Core Ultra 5 125H |
| -- | AI hardware | Intel® AI Boost |
| -- | AI specifications | Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) |
| -- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)The Intel Atom N2800 or Intel Core Ultra 5 125H 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 GMA 3600 | GPU | Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) |
| 0.40 GHz | GPU frequency | 0.60 GHz |
| -- | GPU (Turbo) | 2.20 GHz |
| -- | GPU Generation | -- |
| 65 nm | Technology | 5 nm |
| 2 | Max. displays | 4 |
| 4 | Compute units | 112 |
| 32 | Shader | 896 |
| No | Hardware Raytracing | Yes |
| No | Frame Generation | No |
| 1 GB | Max. GPU Memory | 32 GB |
| 10.1 | DirectX Version | 12.2 |
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 GMA 3600 | GPU | Intel Iris Xe 7 Core Graphics 112 EUs (Meteor 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 |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode / Encode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe Intel Atom N2800 can use up to 4 GB of memory in 1 memory channels. The maximum memory bandwidth is 8.6 GB/s. The Intel Core Ultra 5 125H supports up to 96 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 120.0 GB/s. |
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| Intel Atom N2800 | Characteristic | Intel Core Ultra 5 125H |
| DDR3-1066 | Memory | LPDDR5X-7500, DDR5-5600 |
| 4 GB | Max. Memory | 96 GB |
| 1 (Single Channel) | Memory channels | 2 (Dual Channel) |
| 8.6 GB/s | Max. Bandwidth | 120.0 GB/s |
| No | ECC | No |
| -- | L2 Cache | 14.00 MB |
| 1.00 MB | L3 Cache | 18.00 MB |
| -- | PCIe version | 5.0 |
| -- | PCIe lanes | 20 |
| -- | PCIe Bandwidth | 78.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Atom N2800 is 6.5 W, while the Intel Core Ultra 5 125H has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Atom N2800 | Characteristic | Intel Core Ultra 5 125H |
| 6.5 W | TDP (PL1 / PBP) | 28 W |
| -- | TDP (PL2) | 115 W |
| -- | TDP up | 65 W |
| -- | TDP down | 20 W |
| -- | Tjunction max. | 110 °C |
Technical detailsThe Intel Atom N2800 is manufactured in 32 nm and has 1.00 MB cache. The Intel Core Ultra 5 125H is manufactured in 7 nm and has a 32.00 MB cache. |
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| Intel Atom N2800 | Characteristic | Intel Core Ultra 5 125H |
| 32 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE3 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| BGA 559 | Socket | BGA 2049 |
| None | Virtualization | VT-x, VT-x EPT, VT-d |
| No | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 11, Linux |
| Q4/2011 | Release date | Q4/2023 |
| 50 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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 N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 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 N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Atom N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Atom N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 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 N2800
Intel GMA 3600 @ 0.40 GHz |
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Intel Core Ultra 5 125H
Intel Iris Xe 7 Core Graphics 112 EUs (Meteor Lake) @ 2.20 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 N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Cinebench 2024 (Single-Core)
The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Atom N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Cinebench 2024 (Multi-Core)
The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
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Intel Atom N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Cinebench R23 (Single-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. 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 N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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Cinebench R23 (Multi-Core)
Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
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Intel Atom N2800
2C 4T @ 1.86 GHz |
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Intel Core Ultra 5 125H
14C 18T @ 4.50 GHz |
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CPU performance per watt (efficiency)
Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
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Intel Atom N2800
1.86 GHz |
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Intel Core Ultra 5 125H
14,771 CB R23 MC @ 66 W |
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Devices using this processor |
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| Intel Atom N2800 | Intel Core Ultra 5 125H |
| Unknown | Unknown |
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