Intel Core i5-1245UL vs Intel Atom C3858
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CPU comparison with benchmarks
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| Intel Core i5-1245UL | Intel Atom C3858 | |
CPU comparisonIntel Core i5-1245UL or Intel Atom C3858 - 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 Core i5-1245UL has 10 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i5-1245UL was released in Q3/2022. The Intel Atom C3858 has 12 cores with 12 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3858 was released in Q3/2017. |
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| Intel Core i5 (331) | Family | Intel Atom (108) |
| Intel Core i 1200P/1200U (21) | CPU group | Intel Atom C3000 (20) |
| 12 | Generation | 5 |
| Alder Lake U | Architecture | Denverton |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-1245UL has 10 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i5-1245UL is 2.50 GHz (4.40 GHz) while the Intel Atom C3858 has 12 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Atom C3858 is at 2.00 GHz. |
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| Intel Core i5-1245UL | Characteristic | Intel Atom C3858 |
| 10 | Cores | 12 |
| 12 | Threads | 12 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.50 GHz (4.40 GHz) 2x Golden Cove |
A-Core | 2.00 GHz |
| 1.20 GHz (3.30 GHz) 8x Gracemont |
B-Core | -- |
Integrated graphics (iGPU)The Intel Core i5-1245UL or Intel Atom C3858 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 Iris Xe Graphics 80 (Alder Lake) | GPU | no iGPU |
| 0.35 GHz | GPU frequency | -- |
| 1.20 GHz | GPU (Turbo) | -- |
| 13 | GPU Generation | -- |
| 10 nm | Technology | |
| 4 | Max. displays | |
| 80 | Compute units | -- |
| 640 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.1 | 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 Iris Xe Graphics 80 (Alder Lake) | GPU | no iGPU |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | No |
| Decode / Encode | Codec VP9 | No |
| Decode | Codec VP8 | No |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeThe Intel Core i5-1245UL can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 76.8 GB/s. The Intel Atom C3858 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 Core i5-1245UL | Characteristic | Intel Atom C3858 |
| DDR5-4800, DDR4-3200 | Memory | DDR4-2400 |
| 64 GB | Max. Memory | 256 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 76.8 GB/s | Max. Bandwidth | 38.4 GB/s |
| No | ECC | Yes |
| 6.50 MB | L2 Cache | 12.00 MB |
| 12.00 MB | L3 Cache | -- |
| 4.0 | PCIe version | 3.0 |
| 28 | PCIe lanes | 16 |
| 55.1 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i5-1245UL is 15 W, while the Intel Atom C3858 has a TDP of 25 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i5-1245UL | Characteristic | Intel Atom C3858 |
| 15 W | TDP (PL1 / PBP) | 25 W |
| 55 W | TDP (PL2) | -- |
| 28 W | TDP up | -- |
| 12 W | TDP down | -- |
| 100 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-1245UL is manufactured in 10 nm and has 18.50 MB cache. The Intel Atom C3858 is manufactured in 14 nm and has a 12.00 MB cache. |
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| Intel Core i5-1245UL | Characteristic | Intel Atom C3858 |
| 10 nm | Technology | 14 nm |
| Monolithic | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2 |
| BGA 1744 | Socket | BGA 1310 |
| VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q3/2022 | Release date | Q3/2017 |
| -- | Release price | 332 $ |
| show more data | show more data | |
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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 Core i5-1245UL
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.20 GHz |
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Intel Atom C3858
@ 0.00 GHz |
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Devices using this processor |
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| Intel Core i5-1245UL | Intel Atom C3858 |
| Unknown | Unknown |
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