Pentium III 1000 vs Celeron B800
Primary details
Comparing Celeron B800 and Pentium III 1000 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2987 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Celeron | no data |
| Power efficiency | 1.14 | no data |
| Architecture codename | Sandy Bridge (2011−2013) | Coppermine (1999−2001) |
| Release date | 19 June 2011 (13 years ago) | 8 March 2000 (24 years ago) |
| Launch price (MSRP) | $80 | $990 |
Detailed specifications
Celeron B800 and Pentium III 1000 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 1 |
| Boost clock speed | 1.5 GHz | 1 GHz |
| Bus type | DMI 2.0 | no data |
| Bus rate | 4 × 5 GT/s | no data |
| Multiplier | 15 | no data |
| L1 cache | 64K (per core) | 32 KB |
| L2 cache | 256K (per core) | 256 KB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 180 nm |
| Die size | 131 mm2 | 106 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | 504 million | 28 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron B800 and Pentium III 1000 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 (Uniprocessor) | 2 |
| Socket | G2 (988B) | 370 |
| Power consumption (TDP) | 35 Watt | 33 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron B800 and Pentium III 1000. You'll probably need this information if you require some particular technology.
| FMA | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Celeron B800 and Pentium III 1000 technologies aimed at improving security, for example, by protecting against hacks.
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron B800 and Pentium III 1000 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron B800 and Pentium III 1000. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21.335 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics (Sandy Bridge) (650 - 1000 MHz) | On certain motherboards (Chipset feature) |
Pros & cons summary
| Recency | 19 June 2011 | 8 March 2000 |
| Physical cores | 2 | 1 |
| Threads | 2 | 1 |
| Chip lithography | 32 nm | 180 nm |
| Power consumption (TDP) | 35 Watt | 33 Watt |
Celeron B800 has an age advantage of 11 years, 100% more physical cores and 100% more threads, and a 462.5% more advanced lithography process.
Pentium III 1000, on the other hand, has 6.1% lower power consumption.
We couldn't decide between Celeron B800 and Pentium III 1000. We've got no test results to judge.
Be aware that Celeron B800 is a notebook processor while Pentium III 1000 is a desktop one.
Should you still have questions on choice between Celeron B800 and Pentium III 1000, ask them in Comments section, and we shall answer.
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