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Intel Core i5-12400 vs AMD Athlon II X4 638
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CPU comparison with benchmarks
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| Intel Core i5-12400 | AMD Athlon II X4 638 | |
CPU comparisonIntel Core i5-12400 or AMD Athlon II X4 638 - 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 i5-12400 has 6 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-12400 was released in Q1/2022. The AMD Athlon II X4 638 has 4 cores with 4 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The AMD Athlon II X4 638 was released in Q1/2012. |
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| Intel Core i5 (336) | Family | AMD Athlon II (52) |
| Intel Core i 12000 (34) | CPU group | AMD Athlon II X4 (Llano) (5) |
| 12 | Generation | 2 |
| Alder Lake S | Architecture | Llano |
| Desktop | Segment | Desktop |
| Intel Core i5-11400 | Predecessor | -- |
| Intel Core i5-13400 | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i5-12400 has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i5-12400 is 2.50 GHz (4.40 GHz) while the AMD Athlon II X4 638 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD Athlon II X4 638 is at 2.70 GHz. |
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| Intel Core i5-12400 | Characteristic | AMD Athlon II X4 638 |
| 6 | Cores | 4 |
| 12 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.50 GHz | Frequency | 2.70 GHz |
| 4.40 GHz | Turbo Frequency (1 Core) | -- |
| 4.00 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Intel Core i5-12400 or AMD Athlon II X4 638 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 UHD Graphics 730 | GPU | no iGPU |
| 0.30 GHz | GPU frequency | -- |
| 1.45 GHz | GPU (Turbo) | -- |
| 12 | GPU Generation | -- |
| 14 nm | Technology | |
| 3 | Max. displays | |
| 24 | Compute units | -- |
| 192 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 64 GB | Max. GPU Memory | -- |
| 12 | 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 UHD Graphics 730 | 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 / Encode | 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 i5-12400 can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 76.8 GB/s. The AMD Athlon II X4 638 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 Core i5-12400 | Characteristic | AMD Athlon II X4 638 |
| DDR5-4800, DDR4-3200 | Memory | DDR3-1333 |
| 128 GB | Max. Memory | 16 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 76.8 GB/s | Max. Bandwidth | 21.3 GB/s |
| No | ECC | No |
| 7.50 MB | L2 Cache | 4.00 MB |
| 18.00 MB | L3 Cache | -- |
| 5.0 | PCIe version | 2.0 |
| 20 | PCIe lanes | -- |
| 78.8 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i5-12400 is 65 W, while the AMD Athlon II X4 638 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| Intel Core i5-12400 | Characteristic | AMD Athlon II X4 638 |
| 65 W | TDP (PL1 / PBP) | 65 W |
| 117 W | TDP (PL2) | -- |
| -- | TDP up | -- |
| -- | TDP down | -- |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Core i5-12400 is manufactured in 10 nm and has 25.50 MB cache. The AMD Athlon II X4 638 is manufactured in 32 nm and has a 4.00 MB cache. |
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| Intel Core i5-12400 | Characteristic | AMD Athlon II X4 638 |
| 10 nm | Technology | 32 nm |
| Monolithic | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2, AVX2+ | ISA extensions | MMX, 3DNow!, SSE3, SSE4a |
| LGA 1700 | Socket | FM1 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V |
| Yes | AES-NI | No |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q1/2022 | Release date | Q1/2012 |
| 192 $ | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 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 Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 GHz |
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Geekbench 6 (Single-Core)
Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
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Intel Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 GHz |
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Geekbench 6 (Multi-Core)
The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
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Intel Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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 Core i5-12400
6C 12T @ 4.40 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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 Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
Intel UHD Graphics 730 @ 1.45 GHz |
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AMD Athlon II X4 638
@ 0.00 GHz |
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Blender 3.1 Benchmark
In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
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Intel Core i5-12400
6C 12T @ 4.00 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 GHz |
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CPU-Z Benchmark 17 (Multi-Core)
The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
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Intel Core i5-12400
6C 12T @ 2.50 GHz |
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AMD Athlon II X4 638
4C 4T @ 2.70 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 Core i5-12400
12,454 CB R23 MC @ 82 W |
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AMD Athlon II X4 638
2.70 GHz |
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Devices using this processor |
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| Intel Core i5-12400 | AMD Athlon II X4 638 |
| Unknown | Unknown |
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