A4-9120 vs i7-3940XM
Aggregate performance score
Core i7-3940XM outperforms A4-9120 by a whopping 378% based on our aggregate benchmark results.
Primary details
Comparing Core i7-3940XM and A4-9120 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1497 | 2654 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core i7 | Bristol Ridge |
| Power efficiency | 6.33 | 4.86 |
| Architecture codename | Ivy Bridge (2012−2013) | Stoney Ridge (2016−2019) |
| Release date | 3 September 2012 (12 years ago) | 1 June 2017 (7 years ago) |
| Launch price (MSRP) | $1,096 | no data |
Detailed specifications
Core i7-3940XM and A4-9120 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) | 2 (Dual-core) |
| Threads | 8 | 2 |
| Base clock speed | 3 GHz | 2.2 GHz |
| Boost clock speed | 3.9 GHz | 2.5 GHz |
| Bus rate | 5 GT/s | no data |
| L1 cache | 64K (per core) | 160 KB |
| L2 cache | 256K (per core) | 1 MB |
| L3 cache | 8 MB (shared) | no data |
| Chip lithography | 22 nm | 28 nm |
| Die size | 160 mm2 | 124.5 mm2 |
| Maximum core temperature | 105 °C | 90 °C |
| Number of transistors | 1,400 million | 1200 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-3940XM and A4-9120 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 | FCPGA988 | BGA |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-3940XM and A4-9120. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX | Virtualization, |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| My WiFi | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| Flex Memory Access | + | no data |
| Demand Based Switching | - | no data |
| FDI | + | no data |
| Fast Memory Access | + | no data |
Security technologies
Core i7-3940XM and A4-9120 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Identity Protection | + | - |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-3940XM and A4-9120 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 Core i7-3940XM and A4-9120. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 25.6 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | Intel HD Graphics 4000 | AMD Radeon R2 (Stoney Ridge) ( - 655 MHz) |
| Quick Sync Video | + | - |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.35 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i7-3940XM and A4-9120 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| SDVO | + | no data |
| CRT | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-3940XM and A4-9120.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | 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.
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 | 3.68 | 0.77 |
| Integrated graphics card | 1.18 | 1.03 |
| Recency | 3 September 2012 | 1 June 2017 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 22 nm | 28 nm |
| Power consumption (TDP) | 55 Watt | 15 Watt |
i7-3940XM has a 377.9% higher aggregate performance score, 14.6% faster integrated GPU, 100% more physical cores and 300% more threads, and a 27.3% more advanced lithography process.
A4-9120, on the other hand, has an age advantage of 4 years, and 266.7% lower power consumption.
The Core i7-3940XM is our recommended choice as it beats the A4-9120 in performance tests.
Should you still have questions on choice between Core i7-3940XM and A4-9120, 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.
