Phenom II X4 P940 vs Athlon 64 X2 3800+
Primary details
Comparing Athlon 64 X2 3800+ and Phenom II X4 P940 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | 4x AMD Phenom II |
| Architecture codename | Manchester (2005−2006) | Champlain (2010−2011) |
| Release date | August 2005 (19 years ago) | 4 October 2010 (14 years ago) |
Detailed specifications
Athlon 64 X2 3800+ and Phenom II X4 P940 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 |
| Boost clock speed | 2 GHz | 1.7 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 256K | 512 KB |
| L2 cache | 512 KB | 2 MB |
| L3 cache | 0 KB | no data |
| Chip lithography | 90 nm | 45 nm |
| Die size | 220 mm2 | no data |
| Number of transistors | 154 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 X2 3800+ and Phenom II X4 P940 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 | no data |
| Socket | 939 | S1 (S1g4) |
| Power consumption (TDP) | 89 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 X2 3800+ and Phenom II X4 P940. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | MMX, 3DNow, SSE (1,2,3,4A), AMD64, Enhanced Virus Protection, Virtualization, HyperTransport 3.0 |
| VirusProtect | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon 64 X2 3800+ and Phenom II X4 P940 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 X2 3800+ and Phenom II X4 P940. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR3 |
Pros & cons summary
| Physical cores | 2 | 4 |
| Threads | 2 | 4 |
| Chip lithography | 90 nm | 45 nm |
| Power consumption (TDP) | 89 Watt | 25 Watt |
Phenom II X4 P940 has 100% more physical cores and 100% more threads, a 100% more advanced lithography process, and 256% lower power consumption.
We couldn't decide between Athlon 64 X2 3800+ and Phenom II X4 P940. We've got no test results to judge.
Note that Athlon 64 X2 3800+ is a desktop processor while Phenom II X4 P940 is a notebook one.
Should you still have questions on choice between Athlon 64 X2 3800+ and Phenom II X4 P940, ask them in Comments section, and we shall answer.
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