Ultra 7 258V vs K6-2/400AHX-66
Primary details
Comparing K6-2/400AHX-66 and Core Ultra 7 258V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 620 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | AMD K6-2 | no data |
| Power efficiency | no data | 68.42 |
| Architecture codename | K6-2 (1998−1999) | Lunar Lake (2024) |
| Release date | 28 May 1998 (26 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
K6-2/400AHX-66 and Core Ultra 7 258V 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 | 1 (Single-Core) | 8 (Octa-Core) |
| Threads | 1 | 8 |
| Base clock speed | no data | 2.2 GHz |
| Boost clock speed | 0.1 GHz | 4.8 GHz |
| Bus type | FSB | no data |
| Bus rate | 66.66 MT/s | 37 MHz |
| Multiplier | 6 | no data |
| L1 cache | no data | 192 KB (per core) |
| L2 cache | no data | 2.5 MB (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 0.25 µm | 3 nm |
| Die size | 81 mm2 | no data |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 9 Million | no data |
| 64 bit support | - | + |
Compatibility
Information on K6-2/400AHX-66 and Core Ultra 7 258V 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 | no data | 1 |
| Socket | no data | Intel BGA 2833 |
| Power consumption (TDP) | no data | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by K6-2/400AHX-66 and Core Ultra 7 258V. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| TSX | - | + |
Security technologies
K6-2/400AHX-66 and Core Ultra 7 258V technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by K6-2/400AHX-66 and Core Ultra 7 258V are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by K6-2/400AHX-66 and Core Ultra 7 258V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | 4 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Arc 140V |
Peripherals
Specifications and connection of peripherals supported by K6-2/400AHX-66 and Core Ultra 7 258V.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 4 |
Pros & cons summary
| Recency | 28 May 1998 | 24 September 2024 |
| Physical cores | 1 | 8 |
| Threads | 1 | 8 |
Ultra 7 258V has an age advantage of 26 years, and 700% more physical cores and 700% more threads.
We couldn't decide between K6-2/400AHX-66 and Core Ultra 7 258V. We've got no test results to judge.
Note that K6-2/400AHX-66 is a desktop processor while Core Ultra 7 258V is a notebook one.
Should you still have questions on choice between K6-2/400AHX-66 and Core Ultra 7 258V, ask them in Comments section, and we shall answer.
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