Intel Core i5-4430S vs Intel Xeon E3-1235L v5 Comparison

Head-to-Head Benchmarks

The benchmark data presents a clear, though narrow, victory for the Intel Xeon E3-1235L v5 across every recorded test. In the Cinebench R15 multi-core test, the Xeon scores 429 against the Core i5-4430S’s 373, a delta of -13.1% from the perspective of the i5. The single-core R15 result follows the same pattern: 60 for the Xeon versus 52 for the i5, a -13.3% difference. These are not marginal gaps; they represent a consistent performance advantage for the Xeon that holds across all six head-to-head benchmarks.

Moving to Cinebench R20, the Xeon again leads in multi-core with 1789 points compared to 1558 for the i5, a -12.9% delta. The single-core R20 test shows 252 versus 219, a -13.1% difference. The pattern repeats in Cinebench R23, where the Xeon’s multi-core score of 4261 surpasses the i5’s 3710 by -12.9%, and its single-core score of 601 beats the i5’s 523 by -13%. The consistency is striking: every delta falls between -12.9% and -13.3%, suggesting a uniform architectural advantage rather than a workload-specific quirk.

The database also records Geekbench scores for the i5-4430S, with a multi-core score of 2773 and a single-core score of 980. The Xeon E3-1235L v5 lacks Geekbench entries in the provided data, so a direct comparison on that suite is not possible. However, the Cinebench results alone establish the Xeon as the faster processor in both threaded and lightly threaded workloads. The i5-4430S wins zero of the six head-to-head tests, while the Xeon wins all six. This is a decisive sweep, albeit one where the margins are moderate rather than overwhelming.

Where Each One Wins

Given the sweep, the use-case split is straightforward: the Xeon E3-1235L v5 wins everywhere that Cinebench measures. For multi-threaded rendering tasks, the Xeon’s 429 R15 and 1789 R20 scores indicate a meaningful edge, roughly 13% higher than the i5-4430S. This translates to faster completion times for video encoding, 3D rendering, and other CPU-bound workloads that scale across cores. The single-core results reinforce the same conclusion: the Xeon’s 60 R15 and 252 R20 scores show it also handles lightly threaded tasks, such as everyday application responsiveness or older games, with a similar 13% advantage.

The i5-4430S does have one recorded strength not captured in the head-to-head table: its Geekbench scores. The multi-core score of 2773 and single-core score of 980 are not directly comparable to the Xeon, since the Xeon lacks Geekbench data. But within the i5’s own context, these numbers place it in the 35th percentile of all CPUs, with an average benchmark score of 1274. The Xeon, by contrast, sits at the 34th percentile with an average score of 1232. The average scores are close, with the i5 slightly ahead, but the head-to-head Cinebench results favor the Xeon. This suggests the i5 might perform relatively better in certain unnamed workloads that Geekbench emphasizes, though the absence of Xeon Geekbench data prevents a definitive claim.

For users prioritizing the Cinebench family of tests, the Xeon is the unambiguous pick. For those whose workloads resemble Geekbench’s mix, the i5’s percentile position hints at competence, but the data does not support a clear victory. The Xeon’s server/workstation segment and ECC support also point toward reliability-focused use cases, which we will explore below.

Architecture Differences

The two processors come from different architectural generations and manufacturing nodes. The Core i5-4430S is built on Intel’s Haswell architecture, fabricated on a 22 nm process node. It contains 1,400 million transistors on a die size of 177 mm². The Xeon E3-1235L v5 uses Skylake-DT, on a more advanced 14 nm node, packing 1,750 million transistors into a smaller 122 mm² die. The transistor count is 25% higher for the Xeon, yet its die is 31% smaller, indicating a denser, more efficient manufacturing process. This density likely contributes to the Xeon’s superior performance per watt, though the TDP figures tell a more dramatic story.

Cache hierarchy also differs. Both processors feature 64 KB of L1 cache per core and 256 KB of L2 cache per core. The L3 cache, however, is larger on the Xeon: 8 MB shared versus 6 MB shared on the i5. This 2 MB difference, combined with the newer architecture, helps explain the Xeon’s consistent 13% lead in Cinebench, which often benefits from larger caches in iterative workloads.

The integrated graphics differ as well. The i5-4430S includes Intel HD 4600, while the Xeon carries HD Graphics P530. Both are integrated solutions, but the Xeon’s P530 is positioned for professional or workstation use, aligning with its server segment. Memory support also diverges: the i5 supports only DDR3 on a dual-channel bus, while the Xeon supports both DDR3 and DDR4, also dual-channel, with a recorded memory bandwidth of 34.1 GB/s. The i5 has no recorded memory bandwidth figure in the database. ECC memory is another key split: the Xeon supports it, the i5 does not. This makes the Xeon suitable for error-correcting memory in reliability-critical environments.

Finally, the sockets differ entirely. The i5 uses Intel Socket 1150, while the Xeon uses Intel Socket 1151. This means the two are not interchangeable in a motherboard, a decisive factor for any upgrade decision. The PCIe interface is Gen 3 for both, but the Xeon’s listing specifies 16 lanes (CPU only), while the i5’s entry simply says Gen 3 without lane details. The Xeon is also marked as end-of-life in production status, whereas the i5’s status is not recorded.

Specification Differences

The specification sheet highlights several contrasts beyond architecture. Clock speeds are a notable inversion: the i5-4430S has a higher base clock of 2.70 GHz and a boost clock of 3.20 GHz, while the Xeon E3-1235L v5 runs at a 2000.00 MHz base and 3.00 GHz boost. Despite the lower clocks, the Xeon still outperforms the i5 in every benchmark, proof of its architectural efficiency. The TDP figures are even more striking: the i5 draws 65 watts, while the Xeon consumes only 25 watts. This means the Xeon delivers roughly 13% more performance in Cinebench while using 62% less power, a remarkable efficiency ratio.

The Xeon supports both DDR3 and DDR4 memory, while the i5 is limited to DDR3. Both use dual-channel buses, but the Xeon has a recorded memory bandwidth of 34.1 GB/s, a figure absent for the i5. ECC memory support is exclusive to the Xeon, reinforcing its workstation/server positioning. The integrated graphics differ, as noted, with HD 4600 versus HD Graphics P530. The market segments confirm the intended uses: the i5 is a desktop part, while the Xeon targets server/workstation environments.

The Xeon’s launch MSRP is $250, a figure the database records once. The i5 has no recorded launch MSRP. The Xeon was released on 2015-10-18, while the i5 came earlier on 2013-06-01. Neither processor has an unlocked multiplier, so overclocking is not an intended feature. The part numbers differ: SR14M for the i5, SR2LM for the Xeon. The Xeon’s production status is listed as end-of-life, which may affect availability, while the i5’s status is unrecorded.

FAQ

Q: Which processor is faster in multi-core Cinebench R23?

A: The Intel Xeon E3-1235L v5 scores 4261, while the Intel Core i5-4430S scores 3710, a 12.9% advantage for the Xeon.

Q: Does the Core i5-4430S win any head-to-head benchmark?

A: No. The recorded data shows the Xeon winning all six head-to-head Cinebench tests, with the i5 registering zero wins.

Q: What is the TDP difference between the two?

A: The i5-4430S has a 65 watt TDP, while the Xeon E3-1235L v5 has a 25 watt TDP, making the Xeon significantly more power-efficient.

Q: Do these processors support ECC memory?

A: The Xeon E3-1235L v5 supports ECC memory. The Core i5-4430S does not.

Q: Can I use the same motherboard for both?

A: No. The i5-4430S uses Intel Socket 1150, while the Xeon E3-1235L v5 uses Intel Socket 1151.

Q: Which processor has more L3 cache?

A: The Xeon E3-1235L v5 has 8 MB of shared L3 cache, while the Core i5-4430S has 6 MB of shared L3 cache.

The Verdict

The data points to a single conclusion: the Intel Xeon E3-1235L v5 is the faster processor in every measured Cinebench scenario. Its 13% lead in both single-core and multi-core tests, achieved with a 25 watt TDP versus 65 watts, makes it the more capable and efficient choice for compute-intensive workloads. The larger 8 MB L3 cache, newer 14 nm Skylake architecture, and support for both DDR3 and DDR4 memory further strengthen its position. For users who prioritize raw performance and power efficiency, the Xeon is the clear pick, provided the Socket 1151 platform is acceptable.

The Core i5-4430S, however, retains relevance in one specific context: its Geekbench scores of 2773 multi-core and 980 single-core are recorded, and its average benchmark score of 1274 edges out the Xeon’s 1232. The i5 also sits at a slightly higher percentile (35 versus 34). This suggests that in workloads resembling Geekbench’s mix, the i5 may hold a marginal advantage, though the absence of Xeon Geekbench data prevents confirmation. The i5’s higher base clock of 2.70 GHz could also appeal to users who prefer higher nominal frequencies, even if the actual benchmark results favor the Xeon.

For a desktop user with an existing Socket 1150 motherboard, the i5-4430S is a functional, if older, choice. For anyone building new or requiring ECC memory, the Xeon E3-1235L v5 is the superior option, despite its end-of-life status. The i5 is not a bad processor; it simply loses every head-to-head test. The Xeon wins on performance, efficiency, and feature set, while the i5’s only recorded advantages are its percentile position and average score, both marginal. The verdict is unambiguous: the Xeon is the better CPU by the numbers, and the i5 should only be considered by those already committed to its platform.