Phenom II X6 1045T vs A6-6400K
Aggregate performance score
Phenom II X6 1045T outperforms A6-6400K by a whopping 113% based on our aggregate benchmark results.
Primary details
Comparing A6-6400K and Phenom II X6 1045T processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2519 | 1926 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.29 |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD A-Series (Desktop) | no data |
| Power efficiency | 1.38 | 2.01 |
| Architecture codename | Richland (2013−2014) | Thuban (2010) |
| Release date | 1 June 2013 (11 years ago) | 1 September 2010 (14 years ago) |
| Launch price (MSRP) | no data | $175 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A6-6400K and Phenom II X6 1045T 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) | 6 (Hexa-Core) |
| Threads | 2 | 6 |
| Base clock speed | 3.9 GHz | 2.7 GHz |
| Boost clock speed | 4.1 GHz | 3.2 GHz |
| L1 cache | 96 KB | 128 KB (per core) |
| L2 cache | 1024 KB | 512 KB (per core) |
| L3 cache | 0 KB | 6 MB (shared) |
| Chip lithography | 32 nm | 45 nm |
| Die size | 246 mm2 | 346 mm2 |
| Maximum core temperature | 70 °C | no data |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 1,178 million | 904 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on A6-6400K and Phenom II X6 1045T 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 | AM3 |
| Power consumption (TDP) | 65 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A6-6400K and Phenom II X6 1045T. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0 | no data |
| AES-NI | + | - |
| FMA | FMA4 | - |
| AVX | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A6-6400K and Phenom II X6 1045T are enumerated here.
| AMD-V | + | - |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A6-6400K and Phenom II X6 1045T. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR3 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8470D | no data |
| จำนวนพาธไลน์ | 192 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A6-6400K and Phenom II X6 1045T integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A6-6400K and Phenom II X6 1045T integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 11 | no data |
Peripherals
Specifications and connection of peripherals supported by A6-6400K and Phenom II X6 1045T.
| 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 | 0.95 | 2.02 |
| Recency | 1 June 2013 | 1 September 2010 |
| Physical cores | 2 | 6 |
| Threads | 2 | 6 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 65 Watt | 95 Watt |
A6-6400K has an age advantage of 2 years, a 40.6% more advanced lithography process, and 46.2% lower power consumption.
Phenom II X6 1045T, on the other hand, has a 112.6% higher aggregate performance score, and 200% more physical cores and 200% more threads.
The Phenom II X6 1045T is our recommended choice as it beats the A6-6400K in performance tests.
Should you still have questions on choice between A6-6400K and Phenom II X6 1045T, ask them in Comments section, and we shall answer.
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