Phenom II X4 840 vs Athlon X2 7750 BE
Primary details
Comparing Athlon X2 7750 BE and Phenom II X4 840 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 2144 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.08 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 1.51 |
| Architecture codename | Kuma (2008−2009) | Propus (2009−2011) |
| Release date | December 2008 (16 years ago) | 4 January 2011 (13 years ago) |
| Launch price (MSRP) | no data | $90 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Athlon X2 7750 BE and Phenom II X4 840 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 | 2 (Dual-core) | 4 (Quad-Core) |
| Threads | 2 | 4 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 2.7 GHz | 3.2 GHz |
| L1 cache | 128 KB (per core) | 128 KB (per core) |
| L2 cache | 512 KB (per core) | 512 KB (per core) |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 285 mm2 | 169 mm2 |
| Number of transistors | 450 million | 300 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X2 7750 BE and Phenom II X4 840 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 | AM2+ | AM3 |
| Power consumption (TDP) | 95 Watt | 95 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon X2 7750 BE and Phenom II X4 840 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon X2 7750 BE and Phenom II X4 840. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Peripherals
Specifications and connection of peripherals supported by Athlon X2 7750 BE and Phenom II X4 840.
| PCIe version | no data | 2.0 |
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 65 nm | 45 nm |
Phenom II X4 840 has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
We couldn't decide between Athlon X2 7750 BE and Phenom II X4 840. We've got no test results to judge.
Should you still have questions on choice between Athlon X2 7750 BE and Phenom II X4 840, ask them in Comments section, and we shall answer.
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