Celeron 787 vs i5-2500K
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2033 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.39 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Core i5 (Desktop) | Intel Celeron |
| Power efficiency | 1.05 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | Intel |
| Architecture codename | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| Release date | 9 January 2011 (15 years ago) | 1 July 2011 (14 years ago) |
| Launch price (MSRP) | $216 | $107 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Currently popular graphics cards are shown for comparison.
Detailed specifications
Basic parameters of Core i5-2500K and Celeron 787: 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) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Base clock speed | 3.3 GHz | 1.3 GHz |
| Boost clock speed | 3.7 GHz | 1.3 GHz |
| Bus type | no data | DMI 2.0 |
| Bus rate | 5 GT/s | 4 × 5 GT/s |
| Multiplier | no data | 13 |
| L1 cache | 64 KB (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 256 KB (per core) |
| L3 cache | 6 MB (shared) | 1.5 MB (shared) |
| Chip lithography | 32 nm | 32 nm |
| Die size | 216 mm2 | 131 mm2 |
| Maximum core temperature | 73 °C | 100 °C |
| Number of transistors | 1,160 million | 504 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-2500K and Celeron 787 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 | LGA1155 | FCBGA1023 |
| Power consumption (TDP) | 95 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2500K and Celeron 787. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | - |
| FMA | - | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | - | - |
| Idle States | + | + |
| Thermal Monitoring | + | + |
| Flex Memory Access | + | + |
| Demand Based Switching | no data | - |
| FDI | + | + |
| Fast Memory Access | + | + |
Security technologies
Core i5-2500K and Celeron 787 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | - |
| EDB | + | + |
| Identity Protection | + | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2500K and Celeron 787 are enumerated here.
| VT-d | - | - |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2500K and Celeron 787. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | 16 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 21 GB/s | 21.335 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 3000 | Intel HD Graphics for 2nd Generation Intel Processors |
| Quick Sync Video | + | - |
| Clear Video HD | + | - |
| Graphics max frequency | 1.1 GHz | 950 MHz |
| InTru 3D | + | - |
Graphics interfaces
Available interfaces and connections of Core i5-2500K and Celeron 787 integrated GPUs.
| Number of displays supported | 2 | 2 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
| SDVO | no data | + |
| CRT | no data | + |
Peripherals
Specifications and connection of peripherals supported by Core i5-2500K and Celeron 787.
| PCIe version | 2.0 | 2.0 |
| PCI Express lanes | 16 | 16 |
Pros & cons summary
| Integrated graphics card | 0.61 | 0.72 |
| Recency | 9 January 2011 | 1 July 2011 |
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Power consumption (TDP) | 95 Watt | 17 Watt |
i5-2500K has 300% more physical cores and 300% more threads.
Celeron 787, on the other hand, has 18% faster integrated GPU, an age advantage of 5 months, and 459% lower power consumption.
We couldn't decide between Intel Core i5-2500K and Intel Celeron 787. We've got no test results to judge.
Note that Core i5-2500K is a desktop processor while Celeron 787 is a notebook one.
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