Athlon 64 X2 4000+ vs Athlon 64 3800+
Primary details
Comparing Athlon 64 3800+ and Athlon 64 X2 4000+ 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 | Desktop processor |
| Architecture codename | Venice (2004−2005) | Windsor (2006−2007) |
| Release date | June 2004 (20 years ago) | May 2006 (18 years ago) |
| Launch price (MSRP) | $160 | no data |
Detailed specifications
Athlon 64 3800+ and Athlon 64 X2 4000+ 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 | 1 (Single-Core) | 2 (Dual-core) |
| Threads | 1 | 2 |
| Boost clock speed | 2.4 GHz | 2 GHz |
| L1 cache | 128 KB | 256 KB |
| L2 cache | 512 KB | 512K |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 90 nm |
| Die size | 230 mm2 | 220 mm2 |
| Maximum case temperature (TCase) | 70 °C | no data |
| Number of transistors | 227 million | 154 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Athlon 64 3800+ and Athlon 64 X2 4000+ 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 | 939 | AM2 |
| Power consumption (TDP) | 89 Watt | 89 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 3800+ and Athlon 64 X2 4000+. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1 | 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.
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.
Pros & cons summary
| Physical cores | 1 | 2 |
| Threads | 1 | 2 |
| Chip lithography | 130 nm | 90 nm |
Athlon 64 X2 4000+ has 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.
We couldn't decide between Athlon 64 3800+ and Athlon 64 X2 4000+. We've got no test results to judge.
Should you still have questions on choice between Athlon 64 3800+ and Athlon 64 X2 4000+, ask them in Comments section, and we shall answer.
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