Atom C3508 vs Xeon D-1521
Aggregate performance score
Xeon D-1521 outperforms Atom C3508 by a whopping 212% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1704 | 2601 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.80 | no data |
| Market segment | Server | Server |
| Series | Intel Xeon D | Intel Atom |
| Power efficiency | 3.04 | 3.91 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Broadwell (2015−2019) | Goldmont (2016−2017) |
| Release date | 1 November 2015 (9 years ago) | 15 August 2017 (8 years ago) |
| Launch price (MSRP) | $199 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Xeon D-1521 and Atom C3508 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) | 4 (Quad-Core) |
| Threads | 8 | 4 |
| Base clock speed | 2.4 GHz | 1.6 GHz |
| Boost clock speed | 2.7 GHz | 1.6 GHz |
| Bus type | DMI 2.0 | no data |
| Multiplier | 24 | 16 |
| L1 cache | 64K (per core) | 224 KB |
| L2 cache | 256K (per core) | 8 MB |
| L3 cache | 1.5 MB (per core) | 8 MB |
| Chip lithography | 14 nm | 14 nm |
| Die size | 246.24 mm2 | no data |
| Maximum core temperature | no data | 90 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 3,200 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
Compatibility
Information on Xeon D-1521 and Atom C3508 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 | FCBGA1667 | FCBGA1310 |
| Power consumption (TDP) | 45 Watt | 11.5 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon D-1521 and Atom C3508. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | + | + |
| QuickAssist | no data | + |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| GPIO | + | no data |
Security technologies
Xeon D-1521 and Atom C3508 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | + |
| Secure Boot | no data | + |
| SGX | no data | - |
| OS Guard | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon D-1521 and Atom C3508 are enumerated here.
| VT-d | + | + |
| VT-x | + | + |
| EPT | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon D-1521 and Atom C3508. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4, DDR3 | DDR4: 1866 |
| Maximum memory size | 128 GB | 256 GB |
| Max memory channels | 2 | 2 |
| Maximum memory bandwidth | 34.124 GB/s | 29.871 GB/s |
| ECC memory support | + | + |
Peripherals
Specifications and connection of peripherals supported by Xeon D-1521 and Atom C3508.
| PCIe version | 2.0/3.0 | 3 |
| PCI Express lanes | 24 | 8 |
| USB revision | 2.0/3.0 | 3 |
| Total number of SATA ports | 6 | 8 |
| Number of USB ports | 8 | 8 |
| Integrated LAN | + | 4x2.5/1 GBE |
| UART | + | no data |
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 3.24 | 1.04 |
| Recency | 1 November 2015 | 15 August 2017 |
| Threads | 8 | 4 |
| Power consumption (TDP) | 45 Watt | 11 Watt |
Xeon D-1521 has a 211.5% higher aggregate performance score, and 100% more threads.
Atom C3508, on the other hand, has an age advantage of 1 year, and 309.1% lower power consumption.
The Intel Xeon D-1521 is our recommended choice as it beats the Intel Atom C3508 in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
