Ultra 7 268V vs i5-655K
Aggregate performance score
Core Ultra 7 268V outperforms Core i5-655K by a whopping 1088% based on our aggregate benchmark results.
Primary details
Comparing Core i5-655K and Core Ultra 7 268V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2286 | 461 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 1.65 | 84.00 |
| Architecture codename | Clarkdale (2010−2011) | Lunar Lake (2024) |
| Release date | 30 May 2010 (14 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
Core i5-655K and Core Ultra 7 268V 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) | 8 (Octa-Core) |
| Threads | 4 | 8 |
| Base clock speed | 3.2 GHz | 2.2 GHz |
| Boost clock speed | 3.46 GHz | 5 GHz |
| Bus rate | 2.5 GT/s | 37 MHz |
| L1 cache | 64 KB (per core) | 192 KB (per core) |
| L2 cache | 256 KB (per core) | 2.5 MB (per core) |
| L3 cache | 4 MB (shared) | 12 MB (shared) |
| Chip lithography | 32 nm | 3 nm |
| Die size | 81 mm2 | no data |
| Maximum core temperature | 73 °C | 100 °C |
| Number of transistors | 382 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i5-655K and Core Ultra 7 268V 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 | Intel BGA 2833 |
| Power consumption (TDP) | 73 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-655K and Core Ultra 7 268V. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | + | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | + |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | - | + |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 36 Bit | no data |
| FDI | + | no data |
Security technologies
Core i5-655K and Core Ultra 7 268V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-655K and Core Ultra 7 268V are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-655K and Core Ultra 7 268V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| 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 | Arc 140V |
| Clear Video HD | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-655K and Core Ultra 7 268V integrated GPUs.
| Number of displays supported | 2 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i5-655K and Core Ultra 7 268V.
| PCIe version | 2.0 | 5.0 |
| PCI Express lanes | 16 | 4 |
Pros & cons summary
| Performance score | 1.27 | 15.09 |
| Recency | 30 May 2010 | 24 September 2024 |
| Physical cores | 2 | 8 |
| Threads | 4 | 8 |
| Chip lithography | 32 nm | 3 nm |
| Power consumption (TDP) | 73 Watt | 17 Watt |
Ultra 7 268V has a 1088.2% higher aggregate performance score, an age advantage of 14 years, 300% more physical cores and 100% more threads, a 966.7% more advanced lithography process, and 329.4% lower power consumption.
The Core Ultra 7 268V is our recommended choice as it beats the Core i5-655K in performance tests.
Note that Core i5-655K is a desktop processor while Core Ultra 7 268V is a notebook one.
Should you still have questions on choice between Core i5-655K and Core Ultra 7 268V, ask them in Comments section, and we shall answer.
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