Ultra 7 256V vs A6-7400K
Aggregate performance score
Core Ultra 7 256V outperforms A6-7400K by a whopping 1120% based on our aggregate benchmark results.
Primary details
Comparing A6-7400K and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2453 | 618 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 1.50 | 69.93 |
| Architecture codename | Kaveri (2014−2015) | Lunar Lake (2024) |
| Release date | 31 July 2014 (10 years ago) | 24 September 2024 (less than a year ago) |
Detailed specifications
A6-7400K and Core Ultra 7 256V 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) |
| Performance-cores | no data | 4 |
| Low Power Efficient-cores | no data | 4 |
| Threads | 2 | 8 |
| Base clock speed | 3.5 GHz | 2.2 GHz |
| Boost clock speed | 3.9 GHz | 4.8 GHz |
| Bus rate | no data | 37 MHz |
| L1 cache | 128 KB | 192 KB (per core) |
| L2 cache | 1024 KB | 2.5 MB (per core) |
| L3 cache | no data | 12 MB (shared) |
| Chip lithography | 28 nm | 3 nm |
| Die size | 245 mm2 | no data |
| Maximum core temperature | 70 °C | 100 °C |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | 2,411 million | no data |
| 64 bit support | + | + |
| Unlocked multiplier | + | - |
Compatibility
Information on A6-7400K and Core Ultra 7 256V 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+ | FCBGA2833 |
| Power consumption (TDP) | 65 Watt | 17 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-7400K and Core Ultra 7 256V. 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 | + | + |
| FRTC | + | - |
| FreeSync | + | - |
| TrueAudio | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| Out-of-band client management | + | - |
| VirusProtect | + | - |
| HSA | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Hyper-Threading Technology | no data | - |
| TSX | - | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
A6-7400K and Core Ultra 7 256V 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 A6-7400K and Core Ultra 7 256V are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-7400K and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR5 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | 2 | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon R5 Graphics | Intel Arc Graphics 140V |
| iGPU core count | 4 | no data |
| จำนวนพาธไลน์ | 256 | no data |
| Quick Sync Video | - | + |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
| Graphics max frequency | no data | 1.95 GHz |
Graphics interfaces
Available interfaces and connections of A6-7400K and Core Ultra 7 256V integrated GPUs.
| Number of displays supported | no data | 3 |
| DisplayPort | + | - |
| HDMI | + | - |
Graphics image quality
Maximum display resolutions supported by A6-7400K and Core Ultra 7 256V 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 A6-7400K and Core Ultra 7 256V integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | 12.2 |
| OpenGL | no data | 4.6 |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A6-7400K and Core Ultra 7 256V.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 16 | 4 |
| PCI support | no data | 5.0 and 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 | 1.03 | 12.57 |
| Recency | 31 July 2014 | 24 September 2024 |
| Physical cores | 2 | 8 |
| Threads | 2 | 8 |
| Chip lithography | 28 nm | 3 nm |
| Power consumption (TDP) | 65 Watt | 17 Watt |
Ultra 7 256V has a 1120.4% higher aggregate performance score, an age advantage of 10 years, 300% more physical cores and 300% more threads, a 833.3% more advanced lithography process, and 282.4% lower power consumption.
The Core Ultra 7 256V is our recommended choice as it beats the A6-7400K in performance tests.
Note that A6-7400K is a desktop processor while Core Ultra 7 256V is a notebook one.
Should you still have questions on choice between A6-7400K and Core Ultra 7 256V, ask them in Comments section, and we shall answer.
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