Ultra 5 245K vs Pentium 2129Y
Primary details
Comparing Pentium 2129Y and Core Ultra 5 245K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 174 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 73.79 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Pentium | no data |
| Power efficiency | no data | 20.80 |
| Architecture codename | Ivy Bridge (2012−2013) | Arrow Lake-S (2024−2025) |
| Release date | 1 September 2012 (12 years ago) | 24 October 2024 (recently) |
| Launch price (MSRP) | $150 | $309 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium 2129Y and Core Ultra 5 245K 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) | 14 (Tetradeca-Core) |
| Threads | 2 | 14 |
| Base clock speed | 1.1 GHz | 4.2 GHz |
| Boost clock speed | 1.1 GHz | 5.2 GHz |
| Bus rate | 5 GT/s | 159 MHz |
| L1 cache | 64K (per core) | 112 KB (per core) |
| L2 cache | 256K (per core) | 3 MB (per core) |
| L3 cache | 2 MB (shared) | 24 MB (shared) |
| Chip lithography | 22 nm | 3 nm |
| Die size | 118 mm2 | 243 mm2 |
| Maximum core temperature | 105 °C | no data |
| Number of transistors | 1,400 million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium 2129Y and Core Ultra 5 245K 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 | FCBGA1023 | 1851 |
| Power consumption (TDP) | 10 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium 2129Y and Core Ultra 5 245K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2 | no data |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| My WiFi | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| TSX | - | + |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| SIPP | - | + |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Pentium 2129Y and Core Ultra 5 245K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | no data |
| Anti-Theft | - | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium 2129Y and Core Ultra 5 245K are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 2129Y and Core Ultra 5 245K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel® HD Graphics for 3rd Generation Intel® Processors | Arc Xe-LPG Graphics 64EU |
| Graphics max frequency | 850 MHz | no data |
Graphics interfaces
Available interfaces and connections of Pentium 2129Y and Core Ultra 5 245K integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium 2129Y and Core Ultra 5 245K.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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
| Recency | 1 September 2012 | 24 October 2024 |
| Physical cores | 2 | 14 |
| Threads | 2 | 14 |
| Chip lithography | 22 nm | 3 nm |
| Power consumption (TDP) | 10 Watt | 125 Watt |
Pentium 2129Y has 1150% lower power consumption.
Ultra 5 245K, on the other hand, has an age advantage of 12 years, 600% more physical cores and 600% more threads, and a 633.3% more advanced lithography process.
We couldn't decide between Pentium 2129Y and Core Ultra 5 245K. We've got no test results to judge.
Be aware that Pentium 2129Y is a notebook processor while Core Ultra 5 245K is a desktop one.
Should you still have questions on choice between Pentium 2129Y and Core Ultra 5 245K, ask them in Comments section, and we shall answer.
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