Intel Atom x6414RE vs Intel Atom x5-E3940: comparison
Comparison of Intel Atom x6414RE and Intel Atom x5-E3940: key differences and a full specification table.
Key differences
Intel Atom x6414RE has a lower TDP (9 W vs 9.5 W), a finer process node (10 nm vs 14 nm), a higher maximum memory size (32 GB vs 8 GB) and a newer PCIe version (3 vs 2).
At the same time, Intel Atom x5-E3940 has a higher base clock (1.6 GHz vs 1.5 GHz).
Both processors match on: core count (4), thread count (4), memory channels (4).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | Intel Atom x6414RE | Intel Atom x5-E3940 |
|---|---|---|
| Cores / threads | 4 / 4 | 4 / 4 |
| TDP | 9 W | 9.5 W |
| Process | 10 nm | 14 nm |
| Integrated graphics | UHD-графика Intel для процессоров Intel Core 10-го поколения | Intel HD Graphics 500 |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Atom x6414RE | Intel Atom x5-E3940 |
|---|---|---|
| General | ||
| Model | 6414RE | E3940 |
| Codename | Elkhart Lake | Apollo Lake |
| Segment | Embedded | Embedded |
| Product line | Процессоры Intel Atom серии X | Процессоры Intel Atom серии X |
| Process | 10 nm | 14 nm |
| Launch date | Q1 2021 | Q4 2016 |
| Status | Launched | Launched |
| Embedded options available | Yes | Yes |
| Use conditions | Industrial Extended Temp | Industrial Extended Temp, Embedded Broad Market Extended Temp |
| CPU | ||
| Cores | 4 | 4 |
| Threads | 4 | 4 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 1.5 GHz | 1.6 GHz |
| L2 cache | 1.5 MB | 2 MB |
| TDP | 9 W | 9.5 W |
| Turbo Boost | — | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Burst frequency | — | 1.8 GHz |
| Memory | ||
| Max memory size | 32 GB | 8 GB |
| Memory types | LPDDR4, DDR4 | DDR3L, LPDDR4 |
| Memory channels | 4 | 4 |
| Max memory bandwidth | 51.2 GB/s | 34.1 GB/s |
| ECC memory supported | No | Yes |
| Physical address extensions | — | 40-bit |
| Graphics | ||
| Integrated graphics | UHD-графика Intel для процессоров Intel Core 10-го поколения | Intel HD Graphics 500 |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 400 MHz | 400 MHz |
| Graphics units | 16 | 12 |
| Graphics video max memory | — | 2 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 4096x2160@60Hz | 4096x2160@60Hz |
| Max resolution (HDMI) | — | 3840x2160@30Hz |
| Max resolution (eDP) | 4096x2160@60Hz | 3840x2160@60Hz |
| DirectX | Yes | Yes |
| OpenGL | Yes | Yes |
| OpenCL | Yes | — |
| Graphics device ID | — | 0x5A85 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | — | Yes |
| Clear Video | — | Yes |
| Graphics output | eDP/DP/HDMI/MIPI-DSI | eDP/DP/HDMI/MIPI-DSI |
| InTru 3D | — | No |
| 4K support | Yes, at 60Hz | Yes, at 60Hz |
| I/O and interfaces | ||
| PCI Express revision | 3 | 2 |
| PCI Express lanes | 8 | 6 |
| PCI Express configurations | PCIe 0: 1 x4/2 x2/1 x2 + 2 x1/4 x1, PCIe 1-3: 1 x2/1 x1 | x4,x2,x1 |
| USB revision | 3.1 | 3 |
| USB ports | 4 | 8 |
| SATA ports | 2 | 2 |
| SATA 6 Gb/s ports | — | 2 |
| Integrated LAN | 3x 2.5GbE | No |
| UART | Yes | Yes |
| General purpose I/O | Yes | Yes |
| Package and thermal | ||
| Sockets supported | FCBGA1493 | FCBGA1296 |
| Max CPU configuration | 1 | 1 |
| Package size | 35mm x 24mm | 24mm x 31mm |
| TJUNCTION | 110 °C | 110 °C |
| TCASE | — | 100 °C |
| Min operating temperature | -40 °C | -40 °C |
| Max operating temperature | 85 °C | 85 °C |
| Operating temperature range | -40°C to 85°C | -40°C to 85°C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | — | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | No |
| Intel Boot Guard | Yes | — |
| Anti-Theft Technology | — | No |
| Stable IT Platform Program | — | No |
| Technologies | ||
| Enhanced SpeedStep | — | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | — | Yes |
| Identity Protection Technology | — | Yes |
| Speed Shift Technology | Yes | — |
| Smart Response Technology | — | No |
| Rapid Storage Technology | — | No |
| HD Audio | Yes | Yes |
| Gaussian & Neural Accelerator | Yes (1) | — |
| Time Coordinated Computing | Yes | — |