Comparison of Intel Core i5-8257U and Intel Core i5-8279U [S]ave
| Attribute |  Intel Core i5-8279U × | Intel Core i5-8257U × |
|---|---|---|
| General Information | ||
| Brand | Intel | Intel |
| Series | Intel Core i5 | Intel Core i5 |
| Model | Intel Core i5-8279U | Intel Core i5-8257U |
| CPU Cores and Base Frequency | ||
| CPU Cores | 4 | 4 |
| Frequency (GHz) | 2.4 | 1.4 |
| CPU Threads | 8 | 8 |
| Core architecture | normal | normal |
| Hyperthreading | + | + |
| Overclocking | - | - |
| Turbo (1 Core) (GHz) | 4.1 | 3.9 |
| Turbo (4 Cores) (GHz) | 3.6 | 3.2 |
| Encryption | ||
| AES-NI | + | + |
| Hardware codec support | ||
| JPEG | Decode / Encode | Decode / Encode |
| h264 | Decode / Encode | Decode / Encode |
| h265 / HEVC (8 bit) | Decode / Encode | Decode / Encode |
| h265 / HEVC (10 bit) | Decode / Encode | Decode / Encode |
| VP8 | Decode / Encode | Decode / Encode |
| AV1 | No | No |
| VC-1 | Decode | Decode |
| VP9 | Decode / Encode | Decode / Encode |
| AVC | Decode / Encode | Decode / Encode |
| Internal Graphics | ||
| GPU name | Intel Iris Plus Graphics 655 | Intel Iris Plus Graphics 645 |
| GPU frequency (GHz) | 0.3 | 0.3 |
| GPU (Turbo) (GHz) | 1.15 | 1.05 |
| Generation | 9 | 9 |
| DirectX Version | 12 | 12 |
| Execution units | 48 | 48 |
| Shader | 384 | 384 |
| Max. GPU Memory (GB) | 32 | 32 |
| Max. displays | 3 | 3 |
| GPU Release date (year) | 2017 | 2017 |
| Memory And PCIe | ||
| Memory type | DDR4-2400 SO-DIMMLPDDR3-2133 | DDR4-2400 SO-DIMMLPDDR3-2133 |
| PCIe lanes | 16 | 16 |
| PCIe version | 3.0 | 3.0 |
| ECC | - | - |
| Memory channels | 2 | 2 |
| Technical details | ||
| Release date (year) | 2019 | 2019 |
| Technology (Nm) | 14 | 14 |
| Socket | BGA 1528 | BGA 1528 |
| Virtualization |
|
|
| L3-Cache (MB) | 6 | 6 |
| Architecture | Coffee Lake U | Coffee Lake U |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | ||
| TDP (PL1) (W) | 28 | 15 |
| Benchmarks | ||
| iGPU - FP32 Performance (Single-precision GFLOPS) | 883 | 806 |
| Estimated results for PassMark CPU Mark | 11,126 | 10,739 |
| Geekbench 5, 64bit (Single-Core) | 1,035 | 966 |
| Geekbench 5, 64bit (Multi-Core) | 3,953 | 3,770 |
| Cinebench R15 (Single-Core) | 171 | 159 |
| Cinebench R15 (Multi-Core) | 782 | 667 |
| Cinebench R20 (Single-Core) | 402 | 391 |
| Cinebench R20 (Multi-Core) | 1,702 | 1,628 |
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