Intel® Atom™ C2538

The Intel Atom C2538 is a embedded processor with 4 cores and 4 threads, built on the Rangeley architecture. It launched in Jul 2013. A 2-MB L3 cache backs the cores (1.1 MB per core). It addresses DDR3 memory up to 64 GB across 2 channels. The chip drops into the FCBGA1283 socket and exposes PCIe 2.0 (16 lanes). Rated TDP is 15 W. Notable platform capabilities: Extended Page Tables (EPT).

The Intel Atom C2538 scores 567 in single-core performance and 968 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 741 for overall performance, 1,423 for productivity performance, 1,553 for creator performance, 932 for engineering performance and 1,943 for gaming performance. Its multi-core throughput works out to 242 per core, 242 per thread and 65 per watt. Its computed efficiency index is 191. Its performance index is 9, so its overall performance is 91% below the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the Intel Atom C2538 scores 4,551 in integer math, 896 in floating-point math, 23,305 in compression, 425 in cryptography, 96 in physics simulation, 345 in vector SIMD, 4 in the prime sieve and 3,150 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 92% below in integer math, 98% below in floating-point math, 90% below in compression, 96% below in cryptography, 91% below in physics simulation, 98% below in vector SIMD, 94% below in the prime sieve and 86% below in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The Intel Atom C2538 has 4 physical cores and runs 4 logical threads. It does not support simultaneous multithreading, so its thread count equals its core count. It runs at a base clock of 2.40 GHz.

The Intel Atom C2538 is a embedded processor, belongs to the Intel Atom C family, uses the Rangeley architecture, carries the codename Rangeley and is manufactured on a 22 nm process. It launched in Jul 2013.

The Intel Atom C2538 has 224 KB of L1 cache, 2 MB of L2 cache and 2 MB of L3 cache. That adds up to about 4.2 MB of cache, or 1.05 MB per core.

The Intel Atom C2538 has a 3-level cache hierarchy: L1 at 224 KB, L2 at 2 MB and L3 at 2 MB. L2 is the largest level and makes up about 47% of the cache listed here.

The Intel Atom C2538 supports DDR3 memory, addresses up to 64 GB of memory and uses 2 memory channels. It does not support DDR5, DDR4 and LPDDR memory.

The Intel Atom C2538 uses the FCBGA1283 socket, supports PCI Express 2.0 and provides up to 16 PCIe lanes.

The Intel Atom C2538 has a rated TDP of 15 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

The Intel Atom C2538 is manufactured by Intel. It launched at a price of $104.

The Intel Atom C2538 is also identified by the model number C2538.

After an audit, 1 value was corrected on the Intel Atom C2538 record. Each change is listed with its old value, new value, rule and sources.

• PCIe revision: 2 → 2.0. Rule: Cleanup pcie int to decimal. normalize to the dominant "N.0" format.

The audit log is public: all changes for this CPU, the corrections overview and the method.

Feex has recorded 53% of the specifications it tracks for the Intel Atom C2538. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L2 Cache (per Core) and L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Graphics: Integrated Graphics, Graphics Model, Graphics Base Clock, Graphics Max Clock, Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number.

Processors that use the same FCBGA1283 socket as the Intel Atom C2538 and have the closest multi-core scores in the Feex database include Intel Atom C2338, Intel Atom C2358, Intel Atom C2350, Intel Atom S1260 and Intel Atom C2550.