Intel Xeon E3-1501L v6 vs Intel Atom x5-E3940: comparison
Comparison of Intel Xeon E3-1501L v6 and Intel Atom x5-E3940: key differences and a full specification table.
Key differences
Intel Xeon E3-1501L v6 has a higher base clock (2.1 GHz vs 1.6 GHz), a higher maximum memory size (64 GB vs 8 GB) and a newer PCIe version (3 vs 2).
At the same time, Intel Atom x5-E3940 has a lower TDP (9.5 W vs 25 W) and more memory channels (4 vs 2).
Both processors match on: core count (4), thread count (4), process node (14 nm).
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 Xeon E3-1501L v6 | Intel Atom x5-E3940 |
|---|---|---|
| Cores / threads | 4 / 4 | 4 / 4 |
| Max boost clock | 2.9 GHz | — |
| TDP | 25 W | 9.5 W |
| Process | 14 nm | 14 nm |
| Integrated graphics | Графическое решение Intel HD P630 | 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 Xeon E3-1501L v6 | Intel Atom x5-E3940 |
|---|---|---|
| General | ||
| Model | E3-1501LV6 | E3940 |
| Codename | Kaby Lake | Apollo Lake |
| Segment | Embedded | Embedded |
| Product line | Семейство процессоров Intel Xeon E3 v6 | Процессоры Intel Atom серии X |
| Process | 14 nm | 14 nm |
| Launch date | Q3 2016 | Q4 2016 |
| Status | Launched | Launched |
| Servicing status | Baseline Servicing | — |
| Embedded options available | Yes | Yes |
| Use conditions | — | Industrial Extended Temp, Embedded Broad Market Extended Temp |
| CPU | ||
| Cores | 4 | 4 |
| Threads | 4 | 4 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 2.1 GHz | 1.6 GHz |
| Max boost clock | 2.9 GHz | — |
| Turbo Boost 2.0 frequency | 2.9 GHz | — |
| L2 cache | — | 2 MB |
| Cache (level unspecified) | 6 MB | — |
| TDP | 25 W | 9.5 W |
| Turbo Boost | Yes (2) | No |
| 64-bit support | Yes | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2 | — |
| Burst frequency | — | 1.8 GHz |
| Memory | ||
| Max memory size | 64 GB | 8 GB |
| Memory types | DDR4 | DDR3L, LPDDR4 |
| Memory channels | 2 | 4 |
| Max memory bandwidth | 34.1 GB/s | 34.1 GB/s |
| ECC memory supported | Yes | Yes |
| Physical address extensions | — | 40-bit |
| Graphics | ||
| Integrated graphics | Графическое решение Intel HD P630 | Intel HD Graphics 500 |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | 350 MHz | 400 MHz |
| Graphics max frequency | 1 GHz | — |
| Graphics units | — | 12 |
| Graphics video max memory | 1.7 GB | 2 GB |
| Max displays | 3 | 3 |
| Max resolution (DP) | 4096x2304@60Hz | 4096x2160@60Hz |
| Max resolution (HDMI) | 4096x2304@30Hz | 3840x2160@30Hz |
| Max resolution (eDP) | 4096x2304@60Hz | 3840x2160@60Hz |
| DirectX | 12 | Yes |
| OpenGL | 4.4 | Yes |
| Graphics device ID | 0x591D | 0x5A85 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | Yes | Yes |
| Clear Video | Yes | Yes |
| Graphics output | eDP/DP/HDMI/DVI | eDP/DP/HDMI/MIPI-DSI |
| InTru 3D | Yes | No |
| 4K support | Yes, at 60Hz | Yes, at 60Hz |
| I/O and interfaces | ||
| PCI Express revision | 3 | 2 |
| PCI Express lanes | 16 | 6 |
| PCI Express configurations | Up to 1x16, 2x8, 1x8+2x4 | x4,x2,x1 |
| USB revision | — | 3 |
| USB ports | — | 8 |
| SATA ports | — | 2 |
| SATA 6 Gb/s ports | — | 2 |
| Integrated LAN | — | No |
| UART | — | Yes |
| General purpose I/O | — | Yes |
| Package and thermal | ||
| Sockets supported | FCBGA1440 | FCBGA1296 |
| Max CPU configuration | 1 | 1 |
| Package size | 42mm x 28mm | 24mm x 31mm |
| TJUNCTION | 100 °C | 110 °C |
| TCASE | — | 100 °C |
| Min operating temperature | — | -40 °C |
| Max operating temperature | — | 85 °C |
| Operating temperature range | — | -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 | Yes | No |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | No |
| Intel Software Guard Extensions | Yes | — |
| Intel Memory Protection Extensions | Yes | — |
| Anti-Theft Technology | — | No |
| Stable IT Platform Program | — | No |
| vPro Eligibility | Intel vPro Platform | — |
| Technologies | ||
| Enhanced SpeedStep | Yes | Yes |
| Idle States | Yes | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Identity Protection Technology | — | Yes |
| Transactional Synchronization Extensions | Yes | — |
| Speed Shift Technology | Yes | — |
| Smart Response Technology | — | No |
| Rapid Storage Technology | — | No |
| HD Audio | — | Yes |