Ultra 5 125U vs Athlon X4 845
Aggregate performance score
Core Ultra 5 125U outperforms Athlon X4 845 by a whopping 359% based on our aggregate benchmark results.
Primary details
Comparing Athlon X4 845 and Core Ultra 5 125U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1787 | 716 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Meteor Lake-U |
| Power efficiency | 3.48 | 69.21 |
| Architecture codename | Carrizo (2015−2018) | Meteor Lake-P (2023) |
| Release date | 2 February 2016 (8 years ago) | 14 December 2023 (1 year ago) |
| Launch price (MSRP) | no data | $363 |
Detailed specifications
Athlon X4 845 and Core Ultra 5 125U 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) | 12 (Dodeca-Core) |
| Performance-cores | no data | 2 |
| Efficient-cores | no data | 8 |
| Low Power Efficient-cores | no data | 2 |
| Threads | 4 | 14 |
| Base clock speed | 3.5 GHz | 1.3 GHz |
| Boost clock speed | 3.8 GHz | 4.3 GHz |
| L1 cache | 320K | 112 KB (per core) |
| L2 cache | 2 MB | 2 MB (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 28 nm | Intel 4 nm |
| Die size | 250 mm2 | no data |
| Maximum core temperature | no data | 110 °C |
| Maximum case temperature (TCase) | 74 °C | no data |
| Number of transistors | 3,100 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X4 845 and Core Ultra 5 125U 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 | FM2+ | FCBGA2049 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X4 845 and Core Ultra 5 125U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Turbo Boost Max 3.0 | no data | - |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, ONNX RT |
Security technologies
Athlon X4 845 and Core Ultra 5 125U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X4 845 and Core Ultra 5 125U 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 Athlon X4 845 and Core Ultra 5 125U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-2133 | DDR5 |
| Maximum memory size | no data | 96 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.85 GHz |
Graphics interfaces
Available interfaces and connections of Athlon X4 845 and Core Ultra 5 125U integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Athlon X4 845 and Core Ultra 5 125U integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Athlon X4 845 and Core Ultra 5 125U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Athlon X4 845 and Core Ultra 5 125U.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 8 | 12 |
| PCI support | no data | 4.0 |
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 | 2.39 | 10.97 |
| Recency | 2 February 2016 | 14 December 2023 |
| Physical cores | 4 | 12 |
| Threads | 4 | 14 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Ultra 5 125U has a 359% higher aggregate performance score, an age advantage of 7 years, 200% more physical cores and 250% more threads, and 333.3% lower power consumption.
The Core Ultra 5 125U is our recommended choice as it beats the Athlon X4 845 in performance tests.
Note that Athlon X4 845 is a desktop processor while Core Ultra 5 125U is a notebook one.
Should you still have questions on choice between Athlon X4 845 and Core Ultra 5 125U, ask them in Comments section, and we shall answer.
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