Celeron B800 vs Pentium M 740
Primary details
Comparing Pentium M 740 and Celeron B800 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Pentium M | Intel Celeron |
| Architecture codename | Dothan (2004−2005) | Sandy Bridge (2011−2013) |
| Release date | 19 January 2005 (19 years ago) | 19 June 2011 (13 years ago) |
| Launch price (MSRP) | no data | $80 |
Detailed specifications
Pentium M 740 and Celeron B800 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Base clock speed | 1.73 GHz | 1.5 GHz |
| Boost clock speed | 1.73 GHz | 1.5 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 533 MHz | 4 × 5 GT/s |
| Multiplier | no data | 15 |
| L1 cache | 32 KB | 128 KB |
| L2 cache | 2 MB | 512 KB |
| L3 cache | 0 KB | 2 MB (shared) |
| Chip lithography | 90 nm | 32 nm |
| Die size | 87 mm2 | 131 mm2 |
| Maximum core temperature | 100 °C | 100 °C |
| Number of transistors | 144 million | 504 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | - |
| VID voltage range | 1.26V-1.356V | no data |
Compatibility
Information on Pentium M 740 and Celeron B800 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 | 1 (Uniprocessor) |
| Socket | PPGA478, H-PBGA479 | FCPGA988 |
| Power consumption (TDP) | 27 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium M 740 and Celeron B800. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| FMA | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | - | - |
| Hyper-Threading Technology | - | - |
| Idle States | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | - | - |
| PAE | 32 Bit | no data |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| FSB parity | - | no data |
Security technologies
Pentium M 740 and Celeron B800 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium M 740 and Celeron B800 are enumerated here.
| VT-d | no data | - |
| VT-x | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium M 740 and Celeron B800. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel® HD Graphics for 2nd Generation Intel® Processors |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of Pentium M 740 and Celeron B800 integrated GPUs.
| Number of displays supported | no data | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Pentium M 740 and Celeron B800.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Pros & cons summary
| Recency | 19 January 2005 | 19 June 2011 |
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 90 nm | 32 nm |
| Power consumption (TDP) | 27 Watt | 35 Watt |
Pentium M 740 has 29.6% lower power consumption.
Celeron B800, on the other hand, has an age advantage of 6 years, 100% more physical cores and 100% more threads, and a 181.3% more advanced lithography process.
We couldn't decide between Pentium M 740 and Celeron B800. We've got no test results to judge.
Should you still have questions on choice between Pentium M 740 and Celeron B800, ask them in Comments section, and we shall answer.
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