Athlon II X2 240 vs Phenom X3 8400
Aggregated performance score
Phenom X3 8400 outperforms Athlon II X2 240 by 12% based on our aggregated benchmark results.
Primary Details
Comparing Phenom X3 8400 and Athlon II X2 240 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 2530 | 2603 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-Effectiveness Evaluation | 7.32 | 3.28 |
| Market segment | Desktop processor | Desktop processor |
| Architecture codename | Toliman (2008) | Regor (2009−2013) |
| Release date | March 2008 (16 years ago) | July 2009 (14 years ago) |
| Launch price (MSRP) | no data | $35 |
| Current price | $9.95 | $25 (0.7x MSRP) |
Cost-Effectiveness Evaluation
Performance per price, higher is better.
Phenom X3 8400 has 123% better value for money than Athlon II X2 240.
Detailed Specifications
Phenom X3 8400 and Athlon II X2 240 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) | 2 (Dual-core) |
| Threads | 3 | 2 |
| Boost clock speed | 2.1 GHz | 2.8 GHz |
| L1 cache | 128 KB (per core) | 256 KB |
| L2 cache | 512 KB (per core) | 2 MB |
| L3 cache | 2 MB (shared) | 0 KB |
| Chip lithography | 65 nm | 45 nm |
| Die size | 285 mm2 | 117 mm2 |
| Number of transistors | 450 million | 410 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | No | No |
Compatibility
Information on Phenom X3 8400 and Athlon II X2 240 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 | 65 Watt |
Virtualization technologies
Virtual machine speed-up technologies supported by Phenom X3 8400 and Athlon II X2 240 are enumerated here.
| AMD-V | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Phenom X3 8400 and Athlon II X2 240. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | 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.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Phenom X3 8400 outperforms Athlon II X2 240 by 12% based on our aggregated benchmark results.
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%
Phenom X3 8400 outperforms Athlon II X2 240 by 13% in Passmark.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
Benchmark coverage: 42%
Athlon II X2 240 outperforms Phenom X3 8400 by 56% in GeekBench 5 Single-Core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Benchmark coverage: 42%
Phenom X3 8400 outperforms Athlon II X2 240 by 5% in GeekBench 5 Multi-Core.
Pros & Cons Summary
| Performance score | 0.75 | 0.67 |
| Physical cores | 3 | 2 |
| Threads | 3 | 2 |
| Chip lithography | 65 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
The Phenom X3 8400 is our recommended choice as it beats the Athlon II X2 240 in performance tests.
Should you still have questions on choice between Phenom X3 8400 and Athlon II X2 240, ask them in Comments section, and we shall answer.
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