| Attribute |
Intel Celeron 3865U × | 
Intel Pentium 3805U × |
| General Information | | |
| Brand | Intel | Intel |
| Series | Intel Celeron | Intel Pentium |
| Model | Intel Celeron 3865U | Intel Pentium 3805U |
| CPU Cores and Base Frequency | | |
| CPU Cores | 2 | 2 |
| Frequency (GHz) | 1.8 | 1.9 |
| CPU Threads | 2 | 2 |
| Core architecture | normal | normal |
| Hyperthreading | - | - |
| Overclocking | - | - |
| Encryption | | |
| AES-NI | + | - |
| Hardware codec support | | |
| JPEG | Decode / Encode | Decode |
| h264 | Decode / Encode | Decode / Encode |
| h265 / HEVC (8 bit) | Decode / Encode | No |
| h265 / HEVC (10 bit) | Decode / Encode | No |
| VP8 | Decode / Encode | Decode |
| AV1 | No | No |
| VC-1 | Decode | Decode |
| VP9 | Decode / Encode | No |
| AVC | Decode / Encode | Decode / Encode |
| Internal Graphics | | |
| GPU name | Intel HD Graphics 610 | Intel HD Graphics (Broadwell GT1) |
| GPU frequency (GHz) | 0.3 | 0.1 |
| GPU (Turbo) (GHz) | 0.9 | 0.8 |
| Generation | 9 | 8 |
| DirectX Version | 12 | 11.2 |
| Execution units | 12 | 12 |
| Shader | 96 | 96 |
| Max. GPU Memory (GB) | 32 | 8 |
| Max. displays | 3 | 3 |
| GPU Release date (year) | 2016 | 2015 |
| Memory And PCIe | | |
| Memory type | DDR3L-1600 SO-DIMMDDR4-2133LPDDR3-1866 | DDR3-1600 |
| Max. Memory (GB) | 32 | - |
| PCIe lanes | 10 | 12 |
| PCIe version | 2.0 | 2.0 |
| ECC | - | - |
| Memory channels | 2 | 2 |
| Technical details | | |
| Release date (year) | 2017 | 2015 |
| Technology (Nm) | 14 | 14 |
| Socket | BGA 1356 | BGA 1168 |
| Virtualization | | |
| L3-Cache (MB) | 2 | 2 |
| Architecture | Kaby Lake | Broadwell |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | | |
| Temp junction max (°C) | 100 | - |
| TDP (PL1) (W) | 15 | 15 |
| Benchmarks | | |
| iGPU - FP32 Performance (Single-precision GFLOPS) | 173 | 154 |
| Estimated results for PassMark CPU Mark | 1,903 | 1,657 |
| Geekbench 5, 64bit (Single-Core) | 441 | 412 |
| Geekbench 5, 64bit (Multi-Core) | 783 | 778 |
| Cinebench R15 (Single-Core) | 71 | 77 |
| Cinebench R15 (Multi-Core) | 139 | 148 |
| Cinebench R11.5, 64bit (Single-Core) | - | 0.9 |
| Cinebench R11.5, 64bit (Multi-Core) | - | 1.73 |
| Geekbench 3, 64bit (Single-Core) | 1,849 | 1,894 |
| Geekbench 3, 64bit (Multi-Core) | 3,234 | 3,241 |
| Cinebench R11.5, 64bit (iGPU, OpenGL) | - | 17.6 |