Athlon II X4 651 vs A8-3850
Aggregate performance score
Athlon II X4 651 outperforms A8-3850 by an impressive 52% based on our aggregate benchmark results.
Primary details
Comparing A8-3850 and Athlon II X4 651 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2042 | 1720 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 2.77 | 0.26 |
| Market segment | Desktop processor | Desktop processor |
| Series | A-Series (Desktop) | no data |
| Architecture codename | Llano (2011−2012) | Llano (2011−2012) |
| Release date | 30 June 2011 (13 years ago) | 14 November 2011 (12 years ago) |
| Current price | $38 | $234 |
Cost-effectiveness evaluation
Performance per price, higher is better.
A8-3850 has 965% better value for money than Athlon II X4 651.
Detailed specifications
A8-3850 and Athlon II X4 651 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 | 2.9 GHz | 3 GHz |
| Boost clock speed | 2.9 GHz | 3 GHz |
| L1 cache | 128 KB (per core) | 128 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 32 nm |
| Die size | 228 mm2 | 228 mm2 |
| Number of transistors | 1,178 million | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on A8-3850 and Athlon II X4 651 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 | FM1 | FM1 |
| Power consumption (TDP) | 100 Watt | 100 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by A8-3850 and Athlon II X4 651 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A8-3850 and Athlon II X4 651. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon HD 6550D | no data |
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.
Athlon II X4 651 outperforms A8-3850 by 52% 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%
Athlon II X4 651 outperforms A8-3850 by 52% 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%
Athlon II X4 651 outperforms A8-3850 by 4% 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%
Athlon II X4 651 outperforms A8-3850 by 19% in GeekBench 5 Multi-Core.
Pros & cons summary
| Performance score | 1.53 | 2.32 |
| Recency | 30 June 2011 | 14 November 2011 |
The Athlon II X4 651 is our recommended choice as it beats the A8-3850 in performance tests.
Should you still have questions on choice between A8-3850 and Athlon II X4 651, ask them in Comments section, and we shall answer.
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