Comparison of Intel Atom Z3785 and Intel Pentium 977 [S]ave
| Attribute |  Intel Pentium 977 × |  Intel Atom Z3785 × |
|---|---|---|
| General Information | ||
| Brand | Intel | Intel |
| Series | Intel Pentium | Intel Atom |
| Model | Intel Pentium 977 | Intel Atom Z3785 |
| CPU Cores and Base Frequency | ||
| CPU Cores | 2 | 4 |
| Frequency (GHz) | 1.4 | 1.49 |
| CPU Threads | 2 | 4 |
| Core architecture | normal | normal |
| Hyperthreading | - | - |
| Overclocking | - | - |
| Turbo (1 Core) (GHz) | - | 2.41 |
| Encryption | ||
| AES-NI | - | + |
| Hardware codec support | ||
| JPEG | No | Decode |
| h264 | Decode / Encode | Decode / Encode |
| h265 / HEVC (8 bit) | No | No |
| h265 / HEVC (10 bit) | No | No |
| VP8 | No | No |
| AV1 | No | No |
| VC-1 | Decode | Decode |
| VP9 | No | No |
| AVC | No | Decode / Encode |
| Internal Graphics | ||
| GPU name | Intel HD Graphics (Sandy Bridge GT1) | Intel HD Graphics (Bay Trail GT1) |
| GPU frequency (GHz) | 0.35 | 0.31 |
| GPU (Turbo) (GHz) | 1 | 0.83 |
| Generation | 6 | 7 |
| DirectX Version | 10.1 | 11.2 |
| Execution units | 6 | 4 |
| Shader | 48 | 32 |
| Max. GPU Memory (GB) | - | 8 |
| Max. displays | 2 | 2 |
| GPU Release date (year) | 2011 | 2013 |
| Memory And PCIe | ||
| Memory type | DDR3-1066DDR3-1333 | LPDDR3-1333 |
| Max. Memory (GB) | 16 | 4 |
| PCIe lanes | 16 | - |
| PCIe version | 2.0 | - |
| ECC | - | - |
| Memory channels | 2 | 2 |
| Technical details | ||
| Release date (year) | 2012 | 2014 |
| Technology (Nm) | 32 | 22 |
| Socket | BGA 1023 | BGA 1380 |
| Virtualization |
|
|
| L3-Cache (MB) | 2 | 2 |
| Architecture | Sandy Bridge | Bay Trail |
| Instruction set (ISA) | x86-64 (64 bit) | x86-64 (64 bit) |
| Thermal Management | ||
| Temp junction max (°C) | 100 | 90 |
| TDP (PL1) (W) | 17 | 4 |
| Benchmarks | ||
| iGPU - FP32 Performance (Single-precision GFLOPS) | 96 | 53 |
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