Intel Atom C3338R vs Intel Atom C3558R: comparison
Comparison of Intel Atom C3338R and Intel Atom C3558R: key differences and a full specification table.
Key differences
Intel Atom C3338R has a lower TDP (10.5 W vs 17 W).
At the same time, Intel Atom C3558R has more cores (4 vs 2), more threads (4 vs 2), a higher base clock (2.4 GHz vs 1.8 GHz) and a higher maximum memory size (256 GB vs 128 GB).
Both processors match on: process node (14 nm), PCIe version (3).
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 C3338R | Intel Atom C3558R |
|---|---|---|
| Cores / threads | 2 / 2 | 4 / 4 |
| Max boost clock | 2.2 GHz | — |
| TDP | 10.5 W | 17 W |
| Process | 14 nm | 14 nm |
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 C3338R | Intel Atom C3558R |
|---|---|---|
| General | ||
| Model | C3338R | C3558R |
| Codename | Denverton | Denverton |
| Segment | Server | Server |
| Product line | Процессоры Intel Atom серии C | Процессоры Intel Atom серии C |
| Process | 14 nm | 14 nm |
| Launch date | Q2 2020 | Q2 2020 |
| Status | Launched | Launched |
| Embedded options available | Yes | Yes |
| CPU | ||
| Cores | 2 | 4 |
| Threads | 2 | 4 |
| Multithreading (SMT/HT) | No | No |
| Base clock | 1.8 GHz | 2.4 GHz |
| Max boost clock | 2.2 GHz | — |
| Turbo Boost 2.0 frequency | 2.2 GHz | — |
| Cache (level unspecified) | 4 MB | 8 MB |
| TDP | 10.5 W | 17 W |
| Turbo Boost | Yes (2) | No |
| Instruction set width | 64 bit | 64 bit |
| QPI links | 0 | 0 |
| UPI links | 0 | 0 |
| Memory | ||
| Max memory size | 128 GB | 256 GB |
| Memory types | DDR4 | DDR4 |
| Memory channels | 1 | 2 |
| ECC memory supported | Yes | Yes |
| I/O and interfaces | ||
| PCI Express revision | 3 | 3 |
| PCI Express lanes | 10 | 20 |
| PCI Express configurations | x2,x4,x8 | x2,x4,x8 |
| USB revision | 3 | 3 |
| USB ports | 8 | 8 |
| SATA ports | 10 | — |
| SATA 6 Gb/s ports | 10 | 12 |
| Integrated LAN | 4x2.5/1 GbE | 2 |
| Package and thermal | ||
| Sockets supported | FCBGA1310 | FCBGA1310 |
| Max CPU configuration | 1 | 1 |
| Package size | 34 mm x 28 mm | 34 mm x 28 mm |
| TCASE | 88 °C | 82 °C |
| Min operating temperature | 0 °C | 0 °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 |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | No | No |
| Intel Software Guard Extensions | No | No |