A6-6400K vs Core 2 Quad Q6600
Aggregate performance score
Core 2 Quad Q6600 outperforms A6-6400K by a significant 21% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad Q6600 and A6-6400K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2270 | 2397 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 1.77 | 0.12 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Quad (Desktop) | AMD A-Series (Desktop) |
| Architecture codename | Kentsfield (2007) | Richland (2013−2014) |
| Release date | no data | 4 June 2013 (11 years ago) |
| Current price | $67 | $80 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Core 2 Quad Q6600 has 1375% better value for money than A6-6400K.
Detailed specifications
Core 2 Quad Q6600 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 | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | no data | 3.9 GHz |
| Boost clock speed | 2.4 GHz | 4.1 GHz |
| Bus support | 1066 MHz | no data |
| L1 cache | no data | 96 KB |
| L2 cache | no data | 1024 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 32 nm |
| Die size | no data | 246 mm2 |
| Maximum core temperature | no data | 70 °C |
| Maximum case temperature (TCase) | no data | 70 °C |
| Number of transistors | no data | 1303 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | Yes |
Compatibility
Information on Core 2 Quad Q6600 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 | no data | 1 |
| Socket | no data | FM2 |
| Power consumption (TDP) | 105 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q6600 and A6-6400K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0 |
| AES-NI | no data | + |
| FMA | no data | FMA4 |
| AVX | no data | + |
| PowerTune | no data | - |
| TrueAudio | no data | - |
| PowerNow | no data | + |
| PowerGating | no data | + |
| Out-of-band client management | no data | - |
| VirusProtect | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Quad Q6600 and A6-6400K are enumerated here.
| AMD-V | no data | + |
| IOMMU 2.0 | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q6600 and A6-6400K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3-1866 |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon HD 8470D |
| Number of pipelines | no data | 192 |
| Enduro | no data | + |
| Switchable graphics | no data | 1 |
| UVD | no data | + |
| VCE | no data | + |
Graphics interfaces
Available interfaces and connections of Core 2 Quad Q6600 and A6-6400K integrated GPUs.
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics API support
APIs supported by Core 2 Quad Q6600 and A6-6400K integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 11 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q6600 and A6-6400K.
| PCIe version | no data | 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.
Core 2 Quad Q6600 outperforms A6-6400K by 21% based on our aggregate benchmark results.
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.
Benchmark coverage: 68%
Core 2 Quad Q6600 outperforms A6-6400K by 21% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
A6-6400K outperforms Core 2 Quad Q6600 by 52% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Core 2 Quad Q6600 outperforms A6-6400K by 33% in GeekBench 5 Multi-Core.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Benchmark coverage: 20%
A6-6400K outperforms Core 2 Quad Q6600 by 25% in Cinebench 10 32-bit single-core.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Benchmark coverage: 19%
Core 2 Quad Q6600 outperforms A6-6400K by 73% in Cinebench 10 32-bit multi-core.
3DMark06 CPU
3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.
Benchmark coverage: 19%
Core 2 Quad Q6600 outperforms A6-6400K by 34% in 3DMark06 CPU.
Pros & cons summary
| Performance score | 1.17 | 0.97 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 65 nm | 32 nm |
| Power consumption (TDP) | 105 Watt | 65 Watt |
The Core 2 Quad Q6600 is our recommended choice as it beats the A6-6400K in performance tests.
Should you still have questions on choice between Core 2 Quad Q6600 and A6-6400K, ask them in Comments section, and we shall answer.
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