i5-2450M vs Athlon II X4 651K
Primary details
Comparing Athlon II X4 651K and Core i5-2450M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2260 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Core i5 |
| Power efficiency | no data | 3.53 |
| Architecture codename | Llano (2011−2012) | Sandy Bridge (2011−2013) |
| Release date | 14 November 2011 (13 years ago) | 1 January 2012 (12 years ago) |
| Launch price (MSRP) | no data | $823 |
Detailed specifications
Athlon II X4 651K and Core i5-2450M 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 4 |
| Base clock speed | 3 GHz | 2.5 GHz |
| Boost clock speed | 3 GHz | 3.1 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | no data | 4 × 5 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 128 KB (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 256K (per core) |
| L3 cache | 0 KB | 3 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 228 mm2 | 149 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 1,178 million | 624 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon II X4 651K and Core i5-2450M 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 | FM1 | FCBGA1023,PPGA988 |
| Power consumption (TDP) | 100 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 651K and Core i5-2450M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| My WiFi | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| 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 | + |
Security technologies
Athlon II X4 651K and Core i5-2450M 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 Athlon II X4 651K and Core i5-2450M 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 Athlon II X4 651K and Core i5-2450M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | 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 | no data | Intel HD Graphics 3000 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.3 GHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Athlon II X4 651K and Core i5-2450M 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 Athlon II X4 651K and Core i5-2450M.
| PCIe version | no data | 2.0 |
| PCI Express lanes | no data | 16 |
Pros & cons summary
| Recency | 14 November 2011 | 1 January 2012 |
| Physical cores | 4 | 2 |
| Power consumption (TDP) | 100 Watt | 35 Watt |
Athlon II X4 651K has 100% more physical cores.
i5-2450M, on the other hand, has an age advantage of 1 month, and 185.7% lower power consumption.
We couldn't decide between Athlon II X4 651K and Core i5-2450M. We've got no test results to judge.
Note that Athlon II X4 651K is a desktop processor while Core i5-2450M is a notebook one.
Should you still have questions on choice between Athlon II X4 651K and Core i5-2450M, ask them in Comments section, and we shall answer.
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