Intel Atom x5-E3940 vs Intel Atom x7-E3950: comparison
Comparison of Intel Atom x5-E3940 and Intel Atom x7-E3950: key differences and a full specification table.
Key differences
Intel Atom x5-E3940 has a lower TDP (9.5 W vs 12 W).
Both processors match on: core count (4), thread count (4), base clock (1.6 GHz), process node (14 nm), maximum memory size (8 GB), memory channels (4), PCIe version (2).
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 x5-E3940 | Intel Atom x7-E3950 |
|---|---|---|
| Cores / threads | 4 / 4 | 4 / 4 |
| TDP | 9.5 W | 12 W |
| Process | 14 nm | 14 nm |
| Integrated graphics | Intel HD Graphics 500 | Intel HD Graphics 505 |
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 x5-E3940 | Intel Atom x7-E3950 |
|---|---|---|
| General | ||
| Model | E3940 | E3950 |
| Codename | Apollo Lake | Apollo Lake |
| Segment | Embedded | Embedded |
| Product line | Процессоры Intel Atom серии X | Процессоры Intel Atom серии X |
| Process | 14 nm | 14 nm |
| Launch date | Q4 2016 | Q4 2016 |
| Status | Launched | Launched |
| Embedded options available | Yes | Yes |
| Use conditions | Industrial Extended Temp, Embedded Broad Market Extended Temp | Industrial Extended Temp, Embedded Broad Market Extended Temp |
| CPU | ||
| Cores | 4 | 4 |
| Threads | 4 | 4 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 1.6 GHz | 1.6 GHz |
| L2 cache | 2 MB | 2 MB |
| TDP | 9.5 W | 12 W |
| Turbo Boost | No | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Burst frequency | 1.8 GHz | 2 GHz |
| Memory | ||
| Max memory size | 8 GB | 8 GB |
| Memory types | DDR3L, LPDDR4 | DDR3L, LPDDR4 |
| Memory channels | 4 | 4 |
| Max memory bandwidth | 34.1 GB/s | 38.4 GB/s |
| ECC memory supported | Yes | Yes |
| Physical address extensions | 40-bit | 40-bit |
| Graphics | ||
| Integrated graphics | Intel HD Graphics 500 | Intel HD Graphics 505 |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 400 MHz | 500 MHz |
| Graphics units | 12 | 18 |
| Graphics video max memory | 2 GB | 2 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 4096x2160@60Hz | 4096x2160@60Hz |
| Max resolution (HDMI) | 3840x2160@30Hz | 3840x2160@30Hz |
| Max resolution (eDP) | 3840x2160@60Hz | 3840x2160@60Hz |
| DirectX | Yes | Yes |
| OpenGL | Yes | Yes |
| Graphics device ID | 0x5A85 | 0x5A84 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | Yes | Yes |
| Clear Video | Yes | Yes |
| Graphics output | eDP/DP/HDMI/MIPI-DSI | eDP/DP/HDMI/MIPI-DSI |
| InTru 3D | No | No |
| 4K support | Yes, at 60Hz | Yes, at 60Hz |
| I/O and interfaces | ||
| PCI Express revision | 2 | 2 |
| PCI Express lanes | 6 | 6 |
| PCI Express configurations | x4,x2,x1 | x4,x2,x1 |
| USB revision | 3 | 3 |
| USB ports | 8 | 8 |
| SATA ports | 2 | 2 |
| SATA 6 Gb/s ports | 2 | 2 |
| Integrated LAN | No | No |
| UART | Yes | Yes |
| General purpose I/O | Yes | Yes |
| Package and thermal | ||
| Sockets supported | FCBGA1296 | FCBGA1296 |
| Max CPU configuration | 1 | 1 |
| Package size | 24mm x 31mm | 24mm x 31mm |
| TJUNCTION | 110 °C | 110 °C |
| TCASE | 100 °C | 98 °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 | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | No | No |
| Secure Key | Yes | Yes |
| Intel OS Guard | No | No |
| Anti-Theft Technology | No | No |
| Stable IT Platform Program | No | No |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Identity Protection Technology | Yes | Yes |
| Smart Response Technology | No | No |
| Rapid Storage Technology | No | No |
| HD Audio | Yes | Yes |