Intel Celeron B840 vs Intel Celeron 925: comparison
Comparison of Intel Celeron B840 and Intel Celeron 925: key differences and a full specification table.
Key differences
Intel Celeron B840 has more cores (2 vs 1), more threads (2 vs 1) and a finer process node (32 nm vs 45 nm).
At the same time, Intel Celeron 925 has a higher base clock (2.3 GHz vs 1.9 GHz).
Both processors match on: TDP (35 W).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Celeron B840 | Intel Celeron 925 |
|---|---|---|
| Cores / threads | 2 / 2 | 1 / 1 |
| L3 cache | 2 MB | — |
| TDP | 35 W | 35 W |
| Process | 32 nm | 45 nm |
| Integrated graphics | Графические решения Intel HD для процессоров Intel 2-го поколения | — |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Celeron B840 | Intel Celeron 925 |
|---|---|---|
| General | ||
| Model | B840 | 925 |
| Codename | Sandy Bridge | Penryn |
| Segment | Mobile | Mobile |
| Product line | Устаревший процессор Intel Celeron | Устаревший процессор Intel Celeron |
| Process | 32 nm | 45 nm |
| Launch date | Q3 2011 | Q1 2011 |
| Status | Discontinued | Discontinued |
| Servicing status | End of Servicing Updates | End of Servicing Updates |
| End of servicing updates | 12/31/2019 | — |
| Embedded options available | No | No |
| CPU | ||
| Cores | 2 | 1 |
| Threads | 2 | 1 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 1.9 GHz | 2.3 GHz |
| L2 cache | — | 1 MB |
| L3 cache | 2 MB | — |
| Bus speed | 5 GT/s | 800 MHz |
| TDP | 35 W | 35 W |
| Turbo Boost | No | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Memory | ||
| Max memory size | 16 GB | — |
| Memory types | DDR3 | — |
| Memory channels | 2 | — |
| Max memory bandwidth | 21.3 GB/s | — |
| ECC memory supported | No | — |
| Graphics | ||
| Integrated graphics | Графические решения Intel HD для процессоров Intel 2-го поколения | — |
| Has integrated graphics | Yes | — |
| Graphics base frequency | 650 MHz | — |
| Graphics max frequency | 1 GHz | — |
| Max displays | 2 | — |
| Quick Sync Video | No | — |
| Clear Video HD | No | — |
| Graphics output | eDP/DP/HDMI/SDVO/CRT | — |
| InTru 3D | No | — |
| Flexible Display Interface | Yes | — |
| Macrovision license required | No | — |
| I/O and interfaces | ||
| PCI Express revision | 2 | — |
| PCI Express lanes | 16 | — |
| PCI Express configurations | 1x16, 2x8, 1x8 2x4 | — |
| 4G WiMAX wireless | Yes | — |
| Package and thermal | ||
| Sockets supported | FCPGA988 | — |
| Max CPU configuration | 1 | — |
| Package size | 37.5mm x 37.5mm (rPGA988B) | 35mm x 35mm |
| TJUNCTION | 100 °C | — |
| TCASE | — | 105 °C |
| Die size | — | 107 mm² |
| Transistors (millions) | — | 410 million |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | No |
| Virtualization for Directed I/O (VT-d) | No | — |
| AES-NI | No | — |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Anti-Theft Technology | No | — |
| Technologies | ||
| Enhanced SpeedStep | Yes | No |
| Idle States | Yes | — |
| Thermal Monitoring Technologies | Yes | — |
| Flex Memory Access | Yes | — |
| Fast Memory Access | Yes | — |