Pro A6-8500B vs Core 2 Quad Q8400
Aggregate performance score
Core 2 Quad Q8400 outperforms Pro A6-8500B by a significant 29% based on our aggregate benchmark results.
Primary details
Comparing Core 2 Quad Q8400 and Pro A6-8500B processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2164 | 2346 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.73 | no data |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Carrizo |
| Architecture codename | Yorkfield (2007−2009) | Carrizo (2015−2018) |
| Release date | April 2009 (15 years ago) | 3 June 2015 (9 years ago) |
| Current price | $41 | $44 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core 2 Quad Q8400 and Pro A6-8500B 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 | 4 |
| Base clock speed | 2.66 GHz | 1.6 GHz |
| Boost clock speed | 2.67 GHz | 3 GHz |
| L1 cache | 64K (per core) | no data |
| L2 cache | 4 MB (shared) | 1024 KB |
| L3 cache | 0 KB | no data |
| Chip lithography | 45 nm | 28 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum core temperature | 71 °C | no data |
| Maximum case temperature (TCase) | 71 °C | no data |
| Number of transistors | 456 million | 3100 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
| VID voltage range | 0.85V-1.3625V | no data |
Compatibility
Information on Core 2 Quad Q8400 and Pro A6-8500B 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 | no data |
| Socket | FCLGA775,LGA775 | FP4 |
| Power consumption (TDP) | 95 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Quad Q8400 and Pro A6-8500B. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | HSA 1.0 |
| AES-NI | - | 1 |
| FMA | no data | FMA4 |
| AVX | no data | AVX |
| FRTC | no data | 1 |
| FreeSync | no data | 1 |
| PowerTune | no data | - |
| TrueAudio | no data | + |
| PowerNow | no data | + |
| PowerGating | no data | + |
| Out-of-band client management | no data | + |
| VirusProtect | no data | + |
| RAID | no data | + |
| HSA | no data | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Status | Discontinued | no data |
Security technologies
Core 2 Quad Q8400 and Pro A6-8500B 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 2 Quad Q8400 and Pro A6-8500B are enumerated here.
| AMD-V | no data | 1 |
| VT-x | + | no data |
| IOMMU 2.0 | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400 and Pro A6-8500B. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR3/DDR3L-1600 |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon R5 Graphics |
| iGPU core count | no data | 4 |
| Number of pipelines | no data | 256 |
| Enduro | no data | + |
| Switchable graphics | no data | 1 |
| UVD | no data | + |
| VCE | no data | + |
Graphics interfaces
Available interfaces and connections of Core 2 Quad Q8400 and Pro A6-8500B integrated GPUs.
| DisplayPort | no data | + |
| HDMI | no data | + |
Graphics API support
APIs supported by Core 2 Quad Q8400 and Pro A6-8500B integrated GPUs, sometimes API versions are included.
| DirectX | no data | DirectX® 12 |
| Vulkan | no data | 1 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Quad Q8400 and Pro A6-8500B.
| PCIe version | no data | 3.0 |
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 Q8400 outperforms Pro A6-8500B by 29% 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 Q8400 outperforms Pro A6-8500B by 29% in Passmark.
Pros & cons summary
| Performance score | 1.34 | 1.04 |
| Physical cores | 4 | 2 |
| Chip lithography | 45 nm | 28 nm |
| Power consumption (TDP) | 95 Watt | 15 Watt |
The Core 2 Quad Q8400 is our recommended choice as it beats the Pro A6-8500B in performance tests.
Note that Core 2 Quad Q8400 is a desktop processor while Pro A6-8500B is a notebook one.
Should you still have questions on choice between Core 2 Quad Q8400 and Pro A6-8500B, ask them in Comments section, and we shall answer.
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