A8-5600K vs Core i5-2550K
Aggregate performance score
Core i5-2550K outperforms A8-5600K by a considerable 45% based on our aggregate benchmark results.
Primary details
Comparing Core i5-2550K and A8-5600K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1628 | 1911 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.65 | 3.69 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD A-Series (Desktop) |
| Architecture codename | Sandy Bridge (2011−2013) | Trinity (2012−2013) |
| Release date | January 2012 (12 years ago) | 2 October 2012 (11 years ago) |
| Launch price (MSRP) | $189 | no data |
| Current price | $74 (0.4x MSRP) | $59 |
Cost-effectiveness evaluation
Performance per price, higher is better.
A8-5600K has 124% better value for money than i5-2550K.
Detailed specifications
Core i5-2550K and A8-5600K 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.4 GHz | 3.6 GHz |
| Boost clock speed | 3.8 GHz | 3.9 GHz |
| L1 cache | 64 KB (per core) | 128K (per core) |
| L2 cache | 256 KB (per core) | 1 MB (per core) |
| L3 cache | 6144 KB (shared) | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 216 mm2 | 246 mm2 |
| Maximum core temperature | 73 °C | no data |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | 1160 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Core i5-2550K and A8-5600K 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 |
| Socket | FCLGA1155,LGA1155 | FM2 |
| Power consumption (TDP) | 95 Watt | 100 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-2550K and A8-5600K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX | no data |
| AES-NI | + | no data |
| AVX | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Flex Memory Access | + | no data |
| FDI | - | no data |
| Fast Memory Access | + | no data |
| Status | Discontinued | no data |
Security technologies
Core i5-2550K and A8-5600K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
| Identity Protection | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-2550K and A8-5600K are enumerated here.
| AMD-V | no data | + |
| VT-d | - | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-2550K and A8-5600K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
| ECC memory support | - | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 7560D |
| Quick Sync Video | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-2550K and A8-5600K.
| PCIe version | 2.0 | no data |
| PCI Express lanes | 16 | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Core i5-2550K outperforms A8-5600K by 45% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Core i5-2550K outperforms A8-5600K by 45% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Core i5-2550K outperforms A8-5600K by 56% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Core i5-2550K outperforms A8-5600K by 93% in GeekBench 5 Multi-Core.
3DMark Fire Strike Physics
Benchmark coverage: 4%
Core i5-2550K outperforms A8-5600K by 58% in 3DMark Fire Strike Physics.
Pros & cons summary
| Performance score | 2.67 | 1.84 |
| Power consumption (TDP) | 95 Watt | 100 Watt |
The Core i5-2550K is our recommended choice as it beats the A8-5600K in performance tests.
Should you still have questions on choice between Core i5-2550K and A8-5600K, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
