Athlon X4 740 vs A8-6600K
Aggregated performance score
A8-6600K outperforms Athlon X4 740 by a moderate 15% based on our aggregated benchmark results.
Primary details
Comparing A8-6600K and Athlon X4 740 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1842 | 1940 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.47 | no data |
| Market segment | Desktop processor | Desktop processor |
| Series | AMD A-Series (Desktop) | no data |
| Architecture codename | Richland (2013−2014) | Trinity (2012−2013) |
| Release date | 1 June 2013 (10 years ago) | 2 October 2012 (11 years ago) |
| Launch price (MSRP) | $142 | no data |
| Current price | $58 (0.4x MSRP) | $19.99 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
A8-6600K and Athlon X4 740 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 | 3.9 GHz | 3.2 GHz |
| Boost clock speed | 4.2 GHz | 3.7 GHz |
| L1 cache | 192 KB | 192K |
| L2 cache | 4096 KB | 4 MB (shared) |
| L3 cache | 0 KB | no data |
| Chip lithography | 32 nm | 32 nm |
| Die size | 246 mm2 | 246 mm2 |
| Maximum core temperature | 74 °C | no data |
| Maximum case temperature (TCase) | 74 °C | 74 °C |
| Number of transistors | 1,178 million | 1,303 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | Yes | No |
Compatibility
Information on A8-6600K and Athlon X4 740 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 | FM2 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A8-6600K and Athlon X4 740. You'll probably need this information if you require some particular technology.
| AES-NI | 1 | + |
| FMA | FMA4 | + |
| AVX | AVX | + |
| 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 A8-6600K and Athlon X4 740 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-6600K and Athlon X4 740. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR3-1866 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 8570D | no data |
| Number of pipelines | 256 | no data |
| Enduro | + | no data |
| Switchable graphics | 1 | no data |
| UVD | + | no data |
| VCE | + | no data |
Graphics interfaces
Available interfaces and connections of A8-6600K and Athlon X4 740 integrated GPUs.
| DisplayPort | + | no data |
| HDMI | + | no data |
Graphics API support
APIs supported by A8-6600K and Athlon X4 740 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 11 | no data |
Peripherals
Specifications and connection of peripherals supported by A8-6600K and Athlon X4 740.
| 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.
A8-6600K outperforms Athlon X4 740 by 15% based on our aggregated 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%
A8-6600K outperforms Athlon X4 740 by 14% 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%
A8-6600K outperforms Athlon X4 740 by 16% 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%
A8-6600K outperforms Athlon X4 740 by 16% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 1.95 | 1.70 |
| Recency | 1 June 2013 | 2 October 2012 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
The A8-6600K is our recommended choice as it beats the Athlon X4 740 in performance tests.
Should you still have questions on choice between A8-6600K and Athlon X4 740, ask them in Comments section, and we shall answer.
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