Phenom X4 9750B vs i5-655K
Aggregate performance score
Core i5-655K outperforms Phenom X4 9750B by a substantial 32% based on our aggregate benchmark results.
Primary details
Comparing Core i5-655K and Phenom X4 9750B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2300 | 2511 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 1.65 | 0.96 |
| Architecture codename | Clarkdale (2010−2011) | Agena (2007−2008) |
| Release date | 30 May 2010 (14 years ago) | August 2008 (16 years ago) |
Detailed specifications
Core i5-655K and Phenom X4 9750B 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.2 GHz | no data |
| Boost clock speed | 3.46 GHz | 2.4 GHz |
| Bus rate | 2.5 GT/s | no data |
| L1 cache | 64 KB (per core) | 128 KB (per core) |
| L2 cache | 256 KB (per core) | 512 KB (per core) |
| L3 cache | 4 MB (shared) | 2 MB (shared) |
| Chip lithography | 32 nm | 65 nm |
| Die size | 81 mm2 | 285 mm2 |
| Maximum core temperature | 73 °C | no data |
| Number of transistors | 382 million | 450 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-655K and Phenom X4 9750B 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 | FCLGA1156 | AM2+ |
| Power consumption (TDP) | 73 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-655K and Phenom X4 9750B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | - |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-655K and Phenom X4 9750B 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 Core i5-655K and Phenom X4 9750B 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 Core i5-655K and Phenom X4 9750B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | no data |
| Maximum memory size | 16.38 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics for Previous Generation Intel Processors | no data |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-655K and Phenom X4 9750B integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-655K and Phenom X4 9750B.
| 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.
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
| Performance score | 1.27 | 0.96 |
| Physical cores | 2 | 4 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 73 Watt | 95 Watt |
i5-655K has a 32.3% higher aggregate performance score, a 103.1% more advanced lithography process, and 30.1% lower power consumption.
Phenom X4 9750B, on the other hand, has 100% more physical cores.
The Core i5-655K is our recommended choice as it beats the Phenom X4 9750B in performance tests.
Should you still have questions on choice between Core i5-655K and Phenom X4 9750B, 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.
