A6-5400K vs Core 2 Extreme QX6850
Aggregate performance score
Core 2 Extreme QX6850 outperforms A6-5400K by an impressive 80% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Extreme (Desktop) QX6850 and A6-5400K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2175 | 2600 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Extreme (Desktop) | no data |
| Power efficiency | 1.05 | 1.16 |
| Architecture codename | Kentsfield (2007) | Trinity (2012−2013) |
| Release date | no data (2024 years ago) | 2 October 2012 (12 years ago) |
Detailed specifications
Core 2 Extreme (Desktop) QX6850 and A6-5400K 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) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | no data | 3.6 GHz |
| Boost clock speed | 3 GHz | 3.8 GHz |
| Bus rate | 1333 MHz | no data |
| L1 cache | no data | 128 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | no data | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Core 2 Extreme (Desktop) QX6850 and A6-5400K 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 | no data | 1 |
| Socket | no data | FM2 |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6850 and A6-5400K are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6850 and A6-5400K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Radeon HD 7540D |
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 | 1.44 | 0.80 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 130 Watt | 65 Watt |
Core 2 Extreme QX6850 has a 80% higher aggregate performance score, and 100% more physical cores and 100% more threads.
A6-5400K, on the other hand, has a 103.1% more advanced lithography process, and 100% lower power consumption.
The Core 2 Extreme QX6850 is our recommended choice as it beats the A6-5400K in performance tests.
Should you still have questions on choice between Core 2 Extreme QX6850 and A6-5400K, 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.
