Core 2 Quad Q8400s vs A8-7650K
Primary details
Comparing A8-7650K and Core 2 Quad Q8400s processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1930 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.24 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD A-Series (Desktop) | no data |
| Power efficiency | 1.96 | no data |
| Architecture codename | Kaveri (2014−2015) | Yorkfield (2007−2009) |
| Release date | 7 January 2015 (9 years ago) | 19 April 2009 (15 years ago) |
| Launch price (MSRP) | $152 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A8-7650K and Core 2 Quad Q8400s 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) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.3 GHz | 2.66 GHz |
| Boost clock speed | 3.8 GHz | 0.67 GHz |
| Bus rate | no data | 1333 MHz |
| L1 cache | 256 KB | 64 KB (per core) |
| L2 cache | 4096 KB | 4 MB (shared) |
| L3 cache | no data | 0 KB |
| Chip lithography | 28 nm | 45 nm |
| Die size | 245 mm2 | 2x 82 mm2 |
| Maximum core temperature | 72 °C | no data |
| Maximum case temperature (TCase) | no data | 76 °C |
| Number of transistors | 2,411 million | 456 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 0.85V-1.3625V |
Compatibility
Information on A8-7650K and Core 2 Quad Q8400s 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+ | FCLGA775,LGA775 |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-7650K and Core 2 Quad Q8400s. You'll probably need this information if you require some particular technology.
| Instruction set extensions | SSE1-4a, AVX, AES, FMA4, VT | no data |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| FRTC | + | - |
| FreeSync | + | - |
| DualGraphics | + | - |
| 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 | - | + |
| Demand Based Switching | no data | - |
Security technologies
A8-7650K and Core 2 Quad Q8400s 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 A8-7650K and Core 2 Quad Q8400s are enumerated here.
| AMD-V | + | - |
| VT-x | no data | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-7650K and Core 2 Quad Q8400s. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-2133 | DDR1, DDR2, DDR3 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R7 Graphics | On certain motherboards (Chipset feature) |
| iGPU core count | 6 | no data |
| Number of pipelines | 384 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of A8-7650K and Core 2 Quad Q8400s integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by A8-7650K and Core 2 Quad Q8400s integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by A8-7650K and Core 2 Quad Q8400s.
| PCIe version | 3.0 | 2.0 |
| PCI Express lanes | 16 | no data |
Pros & cons summary
| Recency | 7 January 2015 | 19 April 2009 |
| Chip lithography | 28 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
A8-7650K has an age advantage of 5 years, and a 60.7% more advanced lithography process.
Core 2 Quad Q8400s, on the other hand, has 46.2% lower power consumption.
We couldn't decide between A8-7650K and Core 2 Quad Q8400s. We've got no test results to judge.
Should you still have questions on choice between A8-7650K and Core 2 Quad Q8400s, ask them in Comments section, and we shall answer.
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