Celeron 2957U vs A6-7400K
Aggregate performance score
A6-7400K outperforms Celeron 2957U by an impressive 91% based on our aggregate benchmark results.
Primary details
Comparing A6-7400K and Celeron 2957U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2453 | 2854 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | Intel Celeron |
| Power efficiency | 1.50 | 3.40 |
| Architecture codename | Kaveri (2014−2015) | Haswell (2013−2015) |
| Release date | 31 July 2014 (10 years ago) | 1 January 2014 (10 years ago) |
| Launch price (MSRP) | no data | $107 |
Detailed specifications
A6-7400K and Celeron 2957U 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) | 2 (Dual-core) |
| Threads | 2 | 2 |
| Base clock speed | 3.5 GHz | 1.4 GHz |
| Boost clock speed | 3.9 GHz | 1.4 GHz |
| Bus rate | no data | 5 GT/s |
| L1 cache | 128 KB | 128 KB |
| L2 cache | 1024 KB | 512 KB |
| L3 cache | no data | 2 MB |
| Chip lithography | 28 nm | 22 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 | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | - |
Compatibility
Information on A6-7400K and Celeron 2957U 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+ | FCBGA1168 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-7400K and Celeron 2957U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| FRTC | + | - |
| FreeSync | + | - |
| TrueAudio | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| Out-of-band client management | + | - |
| VirusProtect | + | - |
| HSA | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Smart Response | no data | - |
| GPIO | no data | + |
| Smart Connect | no data | + |
| FDI | no data | - |
| AMT | no data | 9.5 |
| Matrix Storage | no data | - |
| HD Audio | no data | + |
| RST | no data | + |
Security technologies
A6-7400K and Celeron 2957U 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 | - |
| Anti-Theft | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-7400K and Celeron 2957U 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 Celeron 2957U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon R5 Graphics | Intel HD Graphics for 4th Generation Intel Processors |
| iGPU core count | 4 | no data |
| จำนวนพาธไลน์ | 256 | no data |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
| Graphics max frequency | no data | 1 GHz |
Graphics interfaces
Available interfaces and connections of A6-7400K and Celeron 2957U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | + | + |
| HDMI | + | + |
Graphics API support
APIs supported by A6-7400K and Celeron 2957U integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A6-7400K and Celeron 2957U.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | 10 |
| PCI support | no data | - |
| USB revision | no data | 3.0 |
| Total number of SATA ports | no data | 2 |
| Max number of SATA 6 Gb/s Ports | no data | 2 |
| Integrated IDE | no data | - |
| Number of USB ports | no data | 4 |
| Integrated LAN | no data | - |
| UART | no data | + |
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 | 0.54 |
| Recency | 31 July 2014 | 1 January 2014 |
| Chip lithography | 28 nm | 22 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
A6-7400K has a 90.7% higher aggregate performance score, and an age advantage of 6 months.
Celeron 2957U, on the other hand, has a 27.3% more advanced lithography process, and 333.3% lower power consumption.
The A6-7400K is our recommended choice as it beats the Celeron 2957U in performance tests.
Note that A6-7400K is a desktop processor while Celeron 2957U is a notebook one.
Should you still have questions on choice between A6-7400K and Celeron 2957U, ask them in Comments section, and we shall answer.
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