Mobile Athlon 64 2800+ vs Phenom II X3 P840
Aggregate performance score
Phenom II X3 P840 outperforms Mobile Athlon 64 2800+ by a whopping 193% based on our aggregate benchmark results.
Primary details
Comparing Phenom II X3 P840 and Mobile Athlon 64 2800+ processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2582 | 3119 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | 3x AMD Phenom II | Mobile Athlon 64 |
| Power efficiency | 3.10 | 0.76 |
| Architecture codename | Champlain (2010−2011) | Oakville (2003−2004) |
| Release date | 4 October 2010 (14 years ago) | August 2004 (20 years ago) |
Detailed specifications
Phenom II X3 P840 and Mobile Athlon 64 2800+ 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 | 3 (Tri-Core) | 1 (Single-Core) |
| Threads | 3 | 1 |
| Boost clock speed | 1.9 GHz | 1.8 GHz |
| Bus rate | 3600 MHz | 800 MHz |
| L1 cache | 384 KB | 128K |
| L2 cache | 1.5 MB | 512K |
| Chip lithography | 45 nm | no data |
| Die size | no data | 193 mm2 |
| Maximum case temperature (TCase) | no data | 95 °C |
| Number of transistors | no data | 106 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Phenom II X3 P840 and Mobile Athlon 64 2800+ 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 | no data | 1 |
| Socket | S1 | 754 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Phenom II X3 P840 and Mobile Athlon 64 2800+. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, AMD64, Advanced Virus Protection, SSE(1,2,3,4a) | no data |
| VirusProtect | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom II X3 P840 and Mobile Athlon 64 2800+ are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom II X3 P840 and Mobile Athlon 64 2800+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR1 |
Pros & cons summary
| Performance score | 0.82 | 0.28 |
| Physical cores | 3 | 1 |
| Threads | 3 | 1 |
| Power consumption (TDP) | 25 Watt | 35 Watt |
Phenom II X3 P840 has a 192.9% higher aggregate performance score, 200% more physical cores and 200% more threads, and 40% lower power consumption.
The Phenom II X3 P840 is our recommended choice as it beats the Mobile Athlon 64 2800+ in performance tests.
Should you still have questions on choice between Phenom II X3 P840 and Mobile Athlon 64 2800+, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
