i7-2649M vs Celeron M 900
Primary details
Comparing Celeron M 900 and Core i7-2649M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Celeron M | Intel Core i7 |
| Architecture codename | Penryn (2008−2011) | Sandy Bridge (2011−2013) |
| Release date | 1 April 2009 (15 years ago) | 3 January 2011 (13 years ago) |
| Launch price (MSRP) | $70 | $346 |
Detailed specifications
Celeron M 900 and Core i7-2649M 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 | 4 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.2 GHz | 3.2 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 800 MHz | 4 × 5 GT/s |
| Multiplier | no data | 23 |
| L1 cache | no data | 128 KB |
| L2 cache | 1 MB | 512 KB |
| L3 cache | no data | 4 MB |
| Chip lithography | 45 nm | 32 nm |
| Die size | 107 mm2 | 149 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 410 Million | 624 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Celeron M 900 and Core i7-2649M 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 (Uniprocessor) |
| Socket | PGA478 | FCBGA1023 |
| Power consumption (TDP) | 35 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron M 900 and Core i7-2649M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | + |
| Hyper-Threading Technology | no data | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Demand Based Switching | no data | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Status | no data | Discontinued |
Security technologies
Celeron M 900 and Core i7-2649M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Identity Protection | - | + |
| Anti-Theft | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron M 900 and Core i7-2649M are enumerated here.
| AMD-V | - | + |
| 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 900 and Core i7-2649M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
| Maximum memory size | no data | 8.01 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 | no data | Intel HD Graphics 3000 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.1 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Celeron M 900 and Core i7-2649M 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 Celeron M 900 and Core i7-2649M.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 1 April 2009 | 3 January 2011 |
| Physical cores | 1 | 2 |
| Threads | 1 | 4 |
| Chip lithography | 45 nm | 32 nm |
| Power consumption (TDP) | 35 Watt | 25 Watt |
i7-2649M has an age advantage of 1 year, 100% more physical cores and 300% more threads, a 40.6% more advanced lithography process, and 40% lower power consumption.
We couldn't decide between Celeron M 900 and Core i7-2649M. We've got no test results to judge.
Should you still have questions on choice between Celeron M 900 and Core i7-2649M, ask them in Comments section, and we shall answer.
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