A6-6400K vs i7-980
Aggregate performance score
Core i7-980 outperforms A6-6400K by a whopping 360% based on our aggregate benchmark results.
Primary details
Comparing Core i7-980 and A6-6400K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1356 | 2519 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.22 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | AMD A-Series (Desktop) |
| Power efficiency | 3.18 | 1.38 |
| Architecture codename | Gulftown (2010−2011) | Richland (2013−2014) |
| Release date | 26 June 2011 (13 years ago) | 1 June 2013 (11 years ago) |
| Launch price (MSRP) | $1,109 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i7-980 and A6-6400K 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 | 6 (Hexa-Core) | 2 (Dual-core) |
| Threads | 12 | 2 |
| Base clock speed | 3.33 GHz | 3.9 GHz |
| Boost clock speed | 3.6 GHz | 4.1 GHz |
| Bus rate | 4.8 GT/s | no data |
| L1 cache | 64 KB (per core) | 96 KB |
| L2 cache | 256 KB (per core) | 1024 KB |
| L3 cache | 12 MB (shared) | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 239 mm2 | 246 mm2 |
| Maximum core temperature | 69 °C | 70 °C |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | 1,170 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core i7-980 and A6-6400K 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 | FCLGA1366,LGA1366 | FM2 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-980 and A6-6400K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0 |
| AES-NI | + | + |
| FMA | - | FMA4 |
| AVX | - | + |
| PowerNow | - | + |
| PowerGating | - | + |
| VirusProtect | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
Security technologies
Core i7-980 and A6-6400K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-980 and A6-6400K are enumerated here.
| AMD-V | - | + |
| VT-x | + | no data |
| EPT | + | no data |
| IOMMU 2.0 | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-980 and A6-6400K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3-1866 |
| Maximum memory size | 24 GB | no data |
| Max memory channels | 3 | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 8470D |
| จำนวนพาธไลน์ | no data | 192 |
| Enduro | - | + |
| Switchable graphics | - | + |
| UVD | - | + |
| VCE | - | + |
Graphics interfaces
Available interfaces and connections of Core i7-980 and A6-6400K integrated GPUs.
| DisplayPort | - | + |
| HDMI | - | + |
Graphics API support
APIs supported by Core i7-980 and A6-6400K integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 11 |
Peripherals
Specifications and connection of peripherals supported by Core i7-980 and A6-6400K.
| PCIe version | 2.0 | 2.0 |
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 | 4.37 | 0.95 |
| Recency | 26 June 2011 | 1 June 2013 |
| Physical cores | 6 | 2 |
| Threads | 12 | 2 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
i7-980 has a 360% higher aggregate performance score, and 200% more physical cores and 500% more threads.
A6-6400K, on the other hand, has an age advantage of 1 year, and 100% lower power consumption.
The Core i7-980 is our recommended choice as it beats the A6-6400K in performance tests.
Should you still have questions on choice between Core i7-980 and A6-6400K, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
