Xeon W-3275M vs Atom x5-E3940
Aggregate performance score
Xeon W-3275M outperforms Atom x5-E3940 by a whopping 1939% based on our aggregate benchmark results.
Primary details
Comparing Atom x5-E3940 and Xeon W-3275M processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2307 | 197 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 4.98 |
| Market segment | Laptop | Server |
| Series | 5x Intel Atom | Intel Xeon W |
| Power efficiency | 11.61 | 11.55 |
| Architecture codename | Apollo Lake (2014−2016) | Cascade Lake (2019−2020) |
| Release date | 30 August 2014 (10 years ago) | 3 June 2019 (5 years ago) |
| Launch price (MSRP) | no data | $7,453 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Atom x5-E3940 and Xeon W-3275M 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) | 28 (Octacosa-Core) |
| Threads | 4 | 56 |
| Base clock speed | 1.6 GHz | 2.5 GHz |
| Boost clock speed | 1.8 GHz | 4.6 GHz |
| Bus type | no data | DMI 3.0 |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 25 |
| L1 cache | 56K (per core) | 1.75 MB |
| L2 cache | 2 MB (shared) | 28 MB |
| L3 cache | 0 KB | 38.5 MB |
| Chip lithography | 14 nm | 14 nm |
| Maximum core temperature | no data | 76 °C |
| Maximum case temperature (TCase) | 103 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Atom x5-E3940 and Xeon W-3275M 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 (Uniprocessor) | 1 (Uniprocessor) |
| Socket | Intel BGA 1296 | FCLGA3647 |
| Power consumption (TDP) | 10 Watt | 205 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Atom x5-E3940 and Xeon W-3275M. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AVX-512 |
| AES-NI | + | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Atom x5-E3940 and Xeon W-3275M technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | + |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Atom x5-E3940 and Xeon W-3275M are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Xeon W-3275M. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3-1866 | DDR4-2933 |
| Maximum memory size | 8 GB | 2 TB |
| Max memory channels | no data | 6 |
| Maximum memory bandwidth | no data | 140.8 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel HD Graphics 500 | no data |
Peripherals
Specifications and connection of peripherals supported by Atom x5-E3940 and Xeon W-3275M.
| PCIe version | 2.0 | 3.0 |
| PCI Express lanes | 4 | 64 |
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 | 1.25 | 25.49 |
| Recency | 30 August 2014 | 3 June 2019 |
| Physical cores | 4 | 28 |
| Threads | 4 | 56 |
| Power consumption (TDP) | 10 Watt | 205 Watt |
Atom x5-E3940 has 1950% lower power consumption.
Xeon W-3275M, on the other hand, has a 1939.2% higher aggregate performance score, an age advantage of 4 years, and 600% more physical cores and 1300% more threads.
The Xeon W-3275M is our recommended choice as it beats the Atom x5-E3940 in performance tests.
Be aware that Atom x5-E3940 is a notebook processor while Xeon W-3275M is a server/workstation one.
Should you still have questions on choice between Atom x5-E3940 and Xeon W-3275M, 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.
