| Attribute |
Intel Celeron 3965Y × | 
Intel Atom x5-Z8550 × |
| General Information | | |
| Brand | Intel | Intel |
| Series | Intel Celeron | Intel Atom |
| Model | Intel Celeron 3965Y | Intel Atom x5-Z8550 |
| CPU Cores and Base Frequency | | |
| CPU Cores | 2 | 4 |
| Frequency (GHz) | 1.5 | 1.44 |
| CPU Threads | 2 | 4 |
| Core architecture | normal | normal |
| Hyperthreading | - | - |
| Overclocking | - | - |
| Turbo (1 Core) (GHz) | - | 2.4 |
| Turbo (4 Cores) (GHz) | - | 2.4 |
| 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 615 | Intel HD Graphics 400 |
| GPU frequency (GHz) | 0.3 | 0.2 |
| GPU (Turbo) (GHz) | 0.85 | 0.6 |
| Generation | 9 | 8 |
| DirectX Version | 12 | 12 |
| Execution units | 24 | 12 |
| Shader | 192 | 96 |
| Max. GPU Memory (GB) | 16 | 8 |
| Max. displays | 3 | 3 |
| GPU Release date (year) | 2016 | 2015 |
| Memory And PCIe | | |
| Memory type | DDR3L-1600 SO-DIMMLPDDR3-1866 | DDR3L-1600 SO-DIMM |
| Max. Memory (GB) | 16 | - |
| PCIe lanes | 10 | 2 |
| PCIe version | 3.0 | 2.0 |
| ECC | - | - |
| Memory channels | 2 | 2 |
| Technical details | | |
| Release date (year) | 2017 | 2016 |
| Technology (Nm) | 14 | 14 |
| Socket | BGA 1515 | BGA 138 |
| Virtualization | | |
| L3-Cache (MB) | 2 | 2 |
| Architecture | Kaby Lake | Braswell |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | | |
| Temp junction max (°C) | 100 | - |
| TDP down (W) | 4.5 | - |
| TDP (PL1) (W) | 6 | 2 |
| Benchmarks | | |
| iGPU - FP32 Performance (Single-precision GFLOPS) | 326 | 126 |
| Estimated results for PassMark CPU Mark | 1,607 | 2,090 |
| Geekbench 5, 64bit (Single-Core) | 376 | 217 |
| Geekbench 5, 64bit (Multi-Core) | 727 | 717 |
| Cinebench R15 (Single-Core) | - | 40 |
| Cinebench R15 (Multi-Core) | - | 145 |
| Cinebench R11.5, 64bit (Single-Core) | - | 0.47 |
| Cinebench R11.5, 64bit (Multi-Core) | - | 1.79 |
| Cinebench R11.5, 64bit (iGPU, OpenGL) | - | 12.4 |