Pentium G645T vs Celeron M 550
Primary details
Comparing Celeron M 550 and Pentium G645T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2599 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Celeron M | no data |
| Architecture codename | Merom (2006−2008) | Sandy Bridge (2011−2013) |
| Release date | no data | 2 September 2012 (12 years ago) |
Detailed specifications
Celeron M 550 and Pentium G645T 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 | no data | 2.5 GHz |
| Boost clock speed | 2 GHz | 2.5 GHz |
| Bus rate | 533 MHz | 5 GT/s |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 256 KB (per core) |
| L3 cache | no data | 3 MB (shared) |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 131 mm2 |
| Maximum core temperature | no data | 65 °C |
| Number of transistors | no data | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 550 and Pentium G645T 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 | no data | 1 |
| Socket | no data | FCLGA1155 |
| Power consumption (TDP) | 30 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 550 and Pentium G645T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | no data | Discontinued |
Security technologies
Celeron M 550 and Pentium G645T technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 550 and Pentium G645T are enumerated here.
| VT-d | no data | - |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Celeron M 550 and Pentium G645T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 32 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 17 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® HD Graphics for 2nd Generation Intel® Processors |
| Graphics max frequency | no data | 1.1 GHz |
Graphics interfaces
Available interfaces and connections of Celeron M 550 and Pentium G645T integrated GPUs.
| Number of displays supported | no data | 2 |
Peripherals
Specifications and connection of peripherals supported by Celeron M 550 and Pentium G645T.
| 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.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 30 Watt | 35 Watt |
Celeron M 550 has 16.7% lower power consumption.
Pentium G645T, on the other hand, has 100% more physical cores and 100% more threads, and a 103.1% more advanced lithography process.
We couldn't decide between Celeron M 550 and Pentium G645T. We've got no test results to judge.
Be aware that Celeron M 550 is a notebook processor while Pentium G645T is a desktop one.
Should you still have questions on choice between Celeron M 550 and Pentium G645T, ask them in Comments section, and we shall answer.
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