Atom C3308 vs i7-4940MX
Primary details
Comparing Core i7-4940MX and Atom C3308 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1357 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | Intel Core i7 | Intel Atom |
| Power efficiency | 7.14 | no data |
| Architecture codename | Haswell (2013−2015) | Goldmont (2016−2017) |
| Release date | 20 January 2014 (10 years ago) | 15 August 2017 (7 years ago) |
| Launch price (MSRP) | $1,096 | $32 |
Detailed specifications
Core i7-4940MX and Atom C3308 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 | 3.1 GHz | 1.6 GHz |
| Boost clock speed | 4 GHz | 2.1 GHz |
| Bus rate | 5 GT/s | no data |
| Multiplier | no data | 16 |
| L1 cache | 64K (per core) | 112 KB |
| L2 cache | 256K (per core) | 4 MB |
| L3 cache | 8 MB (shared) | 4 MB |
| Chip lithography | 22 nm | 14 nm |
| Die size | 177 mm2 | no data |
| Maximum core temperature | 100 °C | 89 °C |
| Maximum case temperature (TCase) | 100 °C | no data |
| Number of transistors | 1,400 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| Unlocked multiplier | + | - |
Compatibility
Information on Core i7-4940MX and Atom C3308 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 (Uniprocessor) |
| Socket | FCPGA946 | FCBGA1310 |
| Power consumption (TDP) | 57 Watt | 9.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-4940MX and Atom C3308. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | + |
| Turbo Boost Technology | 2.0 | 2.0 |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| FDI | + | no data |
Security technologies
Core i7-4940MX and Atom C3308 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Boot | no data | + |
| Secure Key | + | + |
| Identity Protection | + | - |
| SGX | no data | - |
| OS Guard | no data | + |
| Anti-Theft | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i7-4940MX and Atom C3308 are enumerated here.
| AMD-V | + | - |
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i7-4940MX and Atom C3308. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR4: 1866 |
| Maximum memory size | 32 GB | 128 GB |
| Max memory channels | 2 | 1 |
| Maximum memory bandwidth | 25.6 GB/s | 14.936 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 4600 | no data |
| Max video memory | 1.7 GB | no data |
| 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 i7-4940MX and Atom C3308 integrated GPUs.
| Number of displays supported | 3 | no data |
| eDP | + | no data |
| DisplayPort | + | - |
| HDMI | + | - |
| VGA | + | no data |
Peripherals
Specifications and connection of peripherals supported by Core i7-4940MX and Atom C3308.
| PCIe version | 3 | 3 |
| PCI Express lanes | 16 | 6 |
| USB revision | no data | 3 |
| Total number of SATA ports | no data | 6 |
| Max number of SATA 6 Gb/s Ports | no data | 6 |
| Number of USB ports | no data | 8 |
| Integrated LAN | no data | 4x2.5/1 GBE |
Pros & cons summary
| Recency | 20 January 2014 | 15 August 2017 |
| Physical cores | 4 | 2 |
| Threads | 8 | 2 |
| Chip lithography | 22 nm | 14 nm |
| Power consumption (TDP) | 57 Watt | 9 Watt |
i7-4940MX has 100% more physical cores and 300% more threads.
Atom C3308, on the other hand, has an age advantage of 3 years, a 57.1% more advanced lithography process, and 533.3% lower power consumption.
We couldn't decide between Core i7-4940MX and Atom C3308. We've got no test results to judge.
Be aware that Core i7-4940MX is a notebook processor while Atom C3308 is a server/workstation one.
Should you still have questions on choice between Core i7-4940MX and Atom C3308, ask them in Comments section, and we shall answer.
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