| Attribute |
Intel Celeron 3965U × |
Intel Celeron G1840T × |
| General Information | | |
| Brand | Intel | Intel |
| Series | Intel Celeron | Intel Celeron |
| Model | Intel Celeron 3965U | Intel Celeron G1840T |
| CPU Cores and Base Frequency | | |
| CPU Cores | 2 | 2 |
| Frequency (GHz) | 2.2 | 2.5 |
| 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 | No |
| 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 (Haswell GT1) |
| GPU frequency (GHz) | 0.3 | 0.2 |
| GPU (Turbo) (GHz) | 0.9 | 1.05 |
| Generation | 9 | 7 |
| DirectX Version | 12 | 11.1 |
| Execution units | 12 | 10 |
| Shader | 96 | 80 |
| Max. GPU Memory (GB) | 32 | - |
| Max. displays | 3 | 3 |
| GPU Release date (year) | 2016 | 2012 |
| Memory And PCIe | | |
| Memory type | DDR3L-1600 SO-DIMMDDR4-2133LPDDR3-1866 | DDR3-1333 |
| Max. Memory (GB) | 32 | - |
| PCIe lanes | 10 | 16 |
| PCIe version | 2.0 | 3.0 |
| ECC | - | + |
| Memory channels | 2 | 2 |
| Technical details | | |
| Release date (year) | 2017 | 2014 |
| Technology (Nm) | 14 | 22 |
| Socket | BGA 1356 | LGA 1150 |
| Virtualization | | |
| L3-Cache (MB) | 2 | 2 |
| Architecture | Kaby Lake | Haswell Refresh |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | | |
| Temp junction max (°C) | 100 | - |
| TDP down (W) | 10 | - |
| TDP (PL1) (W) | 15 | 35 |
| Benchmarks | | |
| iGPU - FP32 Performance (Single-precision GFLOPS) | 173 | 168 |
| Estimated results for PassMark CPU Mark | 2,369 | 2,480 |
| Cinebench R15 (Single-Core) | 86 | 95 |
| Cinebench R15 (Multi-Core) | 168 | 177 |
| Cinebench R11.5, 64bit (Single-Core) | - | 1.1 |
| Cinebench R11.5, 64bit (Multi-Core) | - | 2.14 |
| Geekbench 3, 64bit (Single-Core) | 2,236 | 2,227 |
| Geekbench 3, 64bit (Multi-Core) | 3,961 | 3,932 |