Phenom II X4 P920 vs FX-4100
Aggregate performance score
FX-4100 outperforms Phenom II X4 P920 by an impressive 94% based on our aggregate benchmark results.
Primary details
Comparing FX-4100 and Phenom II X4 P920 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2071 | 2562 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | 4x AMD Phenom II |
| Power efficiency | 1.64 | 3.22 |
| Architecture codename | Zambezi (2011−2012) | Champlain (2010−2011) |
| Release date | 12 October 2011 (13 years ago) | 12 May 2010 (14 years ago) |
Detailed specifications
FX-4100 and Phenom II X4 P920 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 | 4 (Quad-Core) | 4 (Quad-Core) |
| Threads | 4 | 4 |
| Base clock speed | 3.6 GHz | no data |
| Boost clock speed | 3.8 GHz | 1.6 GHz |
| Bus rate | no data | 3600 MHz |
| L1 cache | 192 KB | 512 KB |
| L2 cache | 4096 KB | 2 MB |
| L3 cache | 8192 KB | no data |
| Chip lithography | 32 nm | 45 nm |
| Die size | 315 mm2 | no data |
| Maximum core temperature | 71 °C | no data |
| Number of transistors | 1,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
| P0 Vcore voltage | Min: 1.1 V - Max: 1.4125 V | no data |
Compatibility
Information on FX-4100 and Phenom II X4 P920 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 | AM3+ | S1 (S1g4) |
| Power consumption (TDP) | 95 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-4100 and Phenom II X4 P920. 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 |
| AES-NI | + | - |
| FMA | + | - |
| AVX | + | - |
| VirusProtect | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-4100 and Phenom II X4 P920 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-4100 and Phenom II X4 P920. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR3 |
Peripherals
Specifications and connection of peripherals supported by FX-4100 and Phenom II X4 P920.
| PCIe version | n/a | 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.
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.
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.
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.
Pros & cons summary
| Performance score | 1.65 | 0.85 |
| Recency | 12 October 2011 | 12 May 2010 |
| Chip lithography | 32 nm | 45 nm |
| Power consumption (TDP) | 95 Watt | 25 Watt |
FX-4100 has a 94.1% higher aggregate performance score, an age advantage of 1 year, and a 40.6% more advanced lithography process.
Phenom II X4 P920, on the other hand, has 280% lower power consumption.
The FX-4100 is our recommended choice as it beats the Phenom II X4 P920 in performance tests.
Note that FX-4100 is a desktop processor while Phenom II X4 P920 is a notebook one.
Should you still have questions on choice between FX-4100 and Phenom II X4 P920, 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.
