Intel Atom P5342 vs Intel Xeon E5-2650 v4 Comparison

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Atom P5342 records an average benchmark score of 3217, while the Intel Xeon E5-2650 v4 averages 3154. The Atom leads by roughly 2%, and both sit at the 53rd percentile among all CPUs in the database.

Q: How do the two chips compare in multi-core Cinebench R23?

A: The Atom P5342 scores 11122 versus 10904 for the Xeon, a 2% advantage. Despite the Xeon having 24 threads against the Atom's 16, the Atom's newer architecture closes the gap and edges ahead.

Q: What are the core and thread counts?

A: The Atom P5342 has 16 cores and 16 threads (no simultaneous multithreading), while the Xeon E5-2650 v4 has 12 cores and 24 threads (Hyper-Threading enabled). The Xeon offers more logical threads, but the Atom has more physical cores.

Q: Which processor supports more memory channels?

A: The Xeon E5-2650 v4 supports quad-channel DDR4 memory with a bandwidth of 68.3 GB/s. The Atom P5342 uses dual-channel DDR4 with a bandwidth of 42.7 GB/s. The Xeon provides substantially higher theoretical memory throughput.

Q: Are both processors still in production?

A: No. The Atom P5342 is listed as Active in production status, while the Xeon E5-2650 v4 is marked End-of-life. The Atom was released in June 2022; the Xeon launched in March 2016.

Q: What is the launch MSRP for each?

A: The Atom P5342 has a launch MSRP of $708. The Xeon E5-2650 v4 has a launch MSRP of $1166.

Architecture Differences

The Intel Atom P5342 and Intel Xeon E5-2650 v4 represent two very different design philosophies from the same manufacturer. The Atom belongs to the Snow Ridge family, built on the Atom (Tremont) generation, and uses a 10 nm process node. The Xeon is a Broadwell-EP part, codenamed Broadwell, fabricated on a 14 nm node with 3,400 million transistors on a 246 mm² die. The Atom's process advantage is significant: a newer 10 nm node versus a mature 14 nm design.

Cache organization differs sharply. The Atom provides 64 KB of L1 per core and 4.5 MB of L2 per module, with no L3 cache listed. The Xeon offers the same 64 KB L1 per core but pairs it with 256 KB of L2 per core and a large 30 MB shared L3 cache. The Xeon's larger shared cache is typical of a server part designed for working sets that benefit from pooled capacity, while the Atom's per-module L2 reflects a more distributed, power-oriented layout.

Memory architecture is another major split. The Atom uses a dual-channel memory bus, capping bandwidth at 42.7 GB/s. The Xeon employs a quad-channel bus, delivering 68.3 GB/s. Both support DDR4 and ECC memory, but the Xeon's wider memory path gives it a clear throughput edge in memory-heavy workloads.

PCIe resources also differ. The Atom provides 16 PCIe Gen 3 lanes, while the Xeon offers 40 PCIe Gen 3 lanes. This difference directly impacts expandability: the Xeon can host more NVMe drives, network adapters, or accelerators without needing a switch. The Atom's lane count is more modest, suited to compact or embedded server designs.

Socket and physical integration are distinct as well. The Atom uses Intel BGA 2106, a ball-grid array that is soldered to the board. The Xeon uses Socket 2011-3, a land-grid array that allows processor replacement. This makes the Xeon more serviceable in traditional server chassis, while the Atom targets fixed, low-power appliances.

Neither chip has integrated graphics. The Atom lists N/A for iGPU, and the Xeon has a null entry, meaning both require discrete or board-level graphics for display output. Both are locked multipliers, so overclocking is not an option. The Atom is marked Active, the Xeon End-of-life, which matters for long-term procurement decisions.

Where Each One Wins

The Intel Atom P5342 wins in every recorded benchmark in the head-to-head comparison. Across all six Cinebench tests, the Atom takes first place with deltas ranging from 1.9% to 2.1%. The biggest margin is in Cinebench R15 multi-core, where the Atom leads by 2.1%. The narrowest is Cinebench R15 single-core at 1.9%.

The Atom's wins are consistent but small. It is not a dominating performance gap, but it is uniform. For workloads that rely on modern instruction efficiency and higher per-core throughput from a newer microarchitecture, the Atom holds a steady edge. Its 16 physical cores, even without SMT, outperform the Xeon's 12 cores with 24 threads in these rendering tests.

The Xeon E5-2650 v4 does not win any of the six head-to-head benchmarks. However, its advantages lie outside Cinebench. The quad-channel memory bus with 68.3 GB/s bandwidth is a clear win for memory-intensive tasks such as large in-memory databases, virtualization hosts with many VMs, or data analytics pipelines that stream through memory. The 30 MB shared L3 cache also benefits workloads with high cache reuse across cores.

The Xeon's 40 PCIe lanes make it the better fit for systems with many high-bandwidth peripherals. Storage servers with numerous NVMe drives, or compute nodes with multiple GPUs, would exhaust the Atom's 16 lanes quickly. The Xeon also supports 24 threads, which can help in heavily threaded workloads where SMT provides measurable gains, even if Cinebench does not show an advantage here.

The Atom P5342 wins where low power and modern process efficiency matter. Its 71 W TDP versus the Xeon's 105 W TDP means it can be deployed in denser or more thermally constrained environments. The 10 nm node gives it an architectural head start. For edge servers, network appliances, or compact storage systems, the Atom's combination of 16 cores and modest power draw is compelling.

Specification Differences

The two processors differ on several key specification fields.

| Specification | Intel Atom P5342 | Intel Xeon E5-2650 v4 |

|---|---|---|

| Cores | 16 | 12 |

| Threads | 16 | 24 |

| Boost Clock | None listed | 2.90 GHz |

| TDP | 71 W | 105 W |

| Socket | Intel BGA 2106 | Intel Socket 2011-3 |

| Architecture | Snow Ridge (Tremont) | Broadwell (Broadwell-EP) |

| Process Node | 10 nm | 14 nm |

| Transistors | Not listed | 3,400 million |

| Die Size | Not listed | 246 mm² |

| L2 Cache | 4.5 MB (per module) | 256 KB (per core) |

| L3 Cache | None | 30 MB (shared) |

| Memory Bus | Dual-channel | Quad-channel |

| Memory Bandwidth | 42.7 GB/s | 68.3 GB/s |

| PCIe Lanes | 16 (Gen 3) | 40 (Gen 3) |

| Release Date | June 2022 | March 2016 |

| Production Status | Active | End-of-life |

| Launch MSRP | $708 | $1166 |

The base clocks are identical at 2.20 GHz, but the Xeon has a boost clock of 2.90 GHz while the Atom lists no boost clock. The Atom's threads equal its cores, meaning no SMT, while the Xeon doubles its thread count through Hyper-Threading. The Xeon's L3 cache is a major differentiator: 30 MB shared versus none on the Atom. The Atom's L2 is organized per module, while the Xeon's is per core.

Both support DDR4 and ECC memory, but the Xeon's quad-channel bus provides 60% more bandwidth on paper. The Xeon also has 2.5 times the PCIe lanes. The Atom is a newer, smaller-node part with a much lower TDP. The Xeon is a legacy server chip with a higher launch MSRP.

Head-to-Head Benchmarks

All six head-to-head Cinebench results favor the Intel Atom P5342. The margins are narrow but consistent, indicating a small architectural advantage across both single-core and multi-core workloads.

In Cinebench R15 multi-core, the Atom scores 1121 against the Xeon's 1098, a 2.1% lead. This is the largest delta in the entire comparison. Single-core R15 sees the Atom at 158 versus 155, a 1.9% edge. The difference is only three points, but it is in the Atom's favor.

Cinebench R20 multi-core repeats the pattern: the Atom scores 4671, the Xeon 4579, a 2% delta. Single-core R20 shows 659 versus 646, also a 2% delta. The Atom's lead remains steady at two points out of every hundred.

Cinebench R23 multi-core continues the trend. The Atom posts 11122, the Xeon 10904, again a 2% delta. Single-core R23 gives the Atom 1570 and the Xeon 1539, a 2% delta. The consistency across all three Cinebench versions is notable: the Atom outperforms the Xeon by roughly 2% in every test, regardless of workload mix or scoring methodology.

The Xeon's 24 threads do not translate into a multi-core win. Its 12 Broadwell cores, even with SMT, cannot overcome the Atom's 16 Tremont cores on a 10 nm process. The Atom's per-core efficiency appears to offset the Xeon's thread-count advantage in these rendering workloads.

The single-core results are telling as well. The Xeon has a 2.90 GHz boost clock, yet it still trails the Atom, which lists no boost clock at all. This suggests the Atom's base 2.20 GHz runs with higher instructions-per-clock than the older Broadwell design. The 14 nm Xeon architecture, dating to 2016, simply cannot match the newer Tremont microarchitecture on per-thread performance.

Overall, the Atom P5342 wins all six benchmarks, with deltas between 1.9% and 2.1%. The Xeon E5-2650 v4's strengths are not visible in Cinebench; they lie in memory bandwidth, cache capacity, and PCIe expansion. For raw CPU compute as measured by Cinebench, the Atom is the clear, if modest, winner.