FX-770K vs Xeon X3440
Aggregate performance score
FX-770K outperforms Xeon X3440 by a small 8% based on our aggregate benchmark results.
Primary details
Comparing Xeon X3440 and FX-770K processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2019 | 1971 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Desktop processor |
| Power efficiency | 1.74 | 2.74 |
| Architecture codename | no data | Kaveri (2014−2015) |
| Release date | 1 July 2009 (15 years ago) | December 2014 (9 years ago) |
Detailed specifications
Xeon X3440 and FX-770K 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 | 8 | 4 |
| Base clock speed | 2.53 GHz | 3.5 GHz |
| Boost clock speed | 2.93 GHz | 3.9 GHz |
| L1 cache | no data | 256K |
| L2 cache | no data | 4 MB |
| L3 cache | 8 MB Intel® Smart Cache | no data |
| Chip lithography | 45 nm | 28 nm |
| Die size | no data | 245 mm2 |
| Maximum core temperature | 73 °C | no data |
| Maximum case temperature (TCase) | no data | 72 °C |
| Number of transistors | no data | 2,411 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Xeon X3440 and FX-770K 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 | FCLGA1156,LGA1156 | FM2+ |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon X3440 and FX-770K. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2 | no data |
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 1.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Demand Based Switching | + | no data |
| PAE | 36 Bit | no data |
Security technologies
Xeon X3440 and FX-770K technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon X3440 and FX-770K are enumerated here.
| AMD-V | - | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon X3440 and FX-770K. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-800, DDR3-1066, DDR3-1333 | DDR3-2133 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 21 GB/s | no data |
| ECC memory support | + | - |
Peripherals
Specifications and connection of peripherals supported by Xeon X3440 and FX-770K.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 16 | 16 |
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.
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
| Performance score | 1.81 | 1.95 |
| Threads | 8 | 4 |
| Chip lithography | 45 nm | 28 nm |
| Power consumption (TDP) | 95 Watt | 65 Watt |
Xeon X3440 has 100% more threads.
FX-770K, on the other hand, has a 7.7% higher aggregate performance score, a 60.7% more advanced lithography process, and 46.2% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between Xeon X3440 and FX-770K.
Be aware that Xeon X3440 is a server/workstation processor while FX-770K is a desktop one.
Should you still have questions on choice between Xeon X3440 and FX-770K, ask them in Comments section, and we shall answer.
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