Pentium Dual-Core E2140 vs Athlon II X4 651
Primary details
Comparing Athlon II X4 651 and Pentium Dual-Core E2140 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 1721 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.26 | no data |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Llano (2011−2012) | Allendale (2006−2009) |
| Release date | 14 November 2011 (12 years ago) | June 2007 (17 years ago) |
| Current price | $234 | $67 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon II X4 651 and Pentium Dual-Core E2140 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 | 3 GHz | no data |
| Boost clock speed | 3 GHz | 1.6 GHz |
| L1 cache | 128 KB (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (shared) |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 32 nm | 65 nm |
| Die size | 228 mm2 | 77 mm2 |
| Number of transistors | 1,178 million | 105 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Athlon II X4 651 and Pentium Dual-Core E2140 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 | 775 |
| Power consumption (TDP) | 100 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon II X4 651 and Pentium Dual-Core E2140. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon II X4 651 and Pentium Dual-Core E2140 are enumerated here.
| AMD-V | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon II X4 651 and Pentium Dual-Core E2140. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1, DDR2, DDR3 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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 Pentium Dual-Core E2140 by 565% in Passmark.
Pros & cons summary
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 32 nm | 65 nm |
| Power consumption (TDP) | 100 Watt | 65 Watt |
We couldn't decide between Athlon II X4 651 and Pentium Dual-Core E2140. We've got no test results to judge.
Should you still have questions on choice between Athlon II X4 651 and Pentium Dual-Core E2140, ask them in Comments section, and we shall answer.
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