CPU Comparison

The Intel Xeon D-1518 and Intel Core i3-4150 occupy the same performance tier in aggregate statistics, with average benchmark scores of 1121 and 1119 respectively. However, that near-parity in overall average masks a decisive split in workload characteristics. The Xeon D-1518 is a 4-core, 8-thread Broadwell server part, while the Core i3-4150 is a 2-core, 4-thread Haswell desktop chip. Benchmark data indicates the Xeon wins every head-to-head test, yet the two processors remain within 0.2% of each other in average score, suggesting the i3-4150 compensates in specific scenarios not captured by the Cinebench suite.

Head-to-Head Benchmarks

The head-to-head results are unambiguous: the Xeon D-1518 wins all five shared Cinebench tests. In Cinebench R15 multi-core, the Xeon scores 390 against the i3-4150's 290, a 34.5% advantage. That margin holds almost perfectly across the entire suite. Cinebench R20 multi-core shows the Xeon at 1628 versus 1212, a 34.3% win. The single-core R20 test shows 229 against 170, a 34.7% delta. Cinebench R23 continues the pattern: multi-core 3877 versus 2888 (34.2% ahead) and single-core 547 versus 407 (34.4% ahead).

The consistency of these deltas is striking. Every test lands between 34.2% and 34.7%, which points to a fixed architectural advantage rather than workload-specific behavior. The Xeon D-1518 has double the core count and double the thread count (4 cores/8 threads versus 2 cores/4 threads), yet its single-core advantage is nearly identical to its multi-core advantage. That suggests the Xeon's per-thread performance is not merely competitive but superior, likely due to its newer Broadwell microarchitecture versus the i3-4150's Haswell design.

The i3-4150 does have a substantial clock speed advantage on paper: 3.50 GHz base against the Xeon's 2.20 GHz. Despite that 59% higher clock, the Xeon still leads single-core Cinebench tests by 34%. This is a remarkable inversion where architectural efficiency overcomes clock deficit. The Xeon also shows a higher Cinebench R15 single-core score of 54, though the i3-4150 lacks a comparable R15 single-core entry in the dataset, limiting direct comparison there.

Where Each One Wins

The Xeon D-1518 wins every benchmark in the shared test set. Its 34% lead across both single and multi-threaded Cinebench tests indicates it is the stronger processor for rendering, simulation, and any compute-heavy workload that scales with either thread count or per-thread efficiency. The Xeon's 8 threads allow it to handle parallel workloads with double the logical processors of the i3-4150, and its superior single-core efficiency means even lightly threaded tasks favor it.

The Core i3-4150's wins are not in the benchmark data, as it holds zero wins out of five shared tests. However, its aggregate average score of 1119 nearly matches the Xeon's 1121, implying the i3-4150 excels in benchmarks not present in the head-to-head set. The i3-4150 has an integrated GPU (Intel HD 4400) while the Xeon has none, making the i3-4150 the only option for systems without a discrete graphics card. The i3-4150 also lists a memory bandwidth figure of 25.6 GB/s, whereas the Xeon has no listed bandwidth, though both support dual-channel memory.

The i3-4150's higher base clock of 3.50 GHz versus 2.20 GHz could favor latency-sensitive applications that do not parallelize well. Yet the Cinebench single-core results contradict this, showing the Xeon ahead by 34%. The i3-4150's production status is end-of-life, while the Xeon remains active, suggesting the i3-4150 is a legacy part with limited upgrade path. For new server or workstation deployments, the Xeon's active status and ECC memory support make it the clear choice.

Architecture Differences

The two processors come from different Intel microarchitectures and fabrication nodes. The Xeon D-1518 uses Broadwell, built on a 14 nm process, while the Core i3-4150 uses Haswell on a 22 nm node. The die size difference is substantial: the Xeon measures 246 mm² with 3,200 million transistors, versus the i3-4150's 177 mm² and 1,400 million transistors. The Xeon packs more than double the transistors into a larger die, consistent with its additional cores, threads, and server-oriented features.

Cache hierarchies differ fundamentally. The Xeon D-1518 provides 64 KB L1 per core, 256 KB L2 per core, and 1.5 MB L3 per core. The Core i3-4150 also has 64 KB L1 per core and 256 KB L2 per core, but its L3 is 3 MB shared across both cores. For a 2-core part, 3 MB shared L3 translates to 1.5 MB per core, matching the Xeon's per-core L3 allocation. However, the Xeon's total L3 capacity is higher because it has four cores, each with 1.5 MB, totaling 6 MB across the chip.

The memory controllers differ in supported standards. The Xeon supports both DDR3 and DDR4, while the i3-4150 is limited to DDR3 only. Both use dual-channel memory buses. The Xeon also supports ECC memory, a critical feature for server reliability, whereas the i3-4150 does not. PCI Express connectivity differs as well: the Xeon provides Gen 3 with 24 lanes (CPU only), while the i3-4150 provides Gen 3 with 16 lanes (CPU only). The Xeon's additional 8 lanes enable more expansion cards or NVMe devices.

The Xeon D-1518 uses an Intel BGA 1667 socket, which is a soldered, embedded form factor typical of server-on-chip designs. The Core i3-4150 uses Intel Socket 1150, a standard desktop LGA socket. The Xeon's BGA package means it is not upgradeable, while the i3-4150's socketed design allows replacement. The Xeon also has a lower TDP of 35 watts against the i3-4150's 54 watts, despite the Xeon having more cores and a larger die, a direct benefit of the 14 nm process.

Specification Differences

The two processors differ in nearly every key specification. Core count: the Xeon has 4 cores versus the i3-4150's 2. Thread count: 8 versus 4. Base clock: the Xeon runs at 2.20 GHz, the i3-4150 at 3.50 GHz. Neither supports boost clocks. TDP: the Xeon draws 35 watts, the i3-4150 draws 54 watts. Socket: Intel BGA 1667 for the Xeon, Intel Socket 1150 for the i3-4150.

Process node: 14 nm for the Xeon, 22 nm for the i3-4150. Transistor count: 3,200 million versus 1,400 million. Die size: 246 mm² versus 177 mm². L3 cache: the Xeon has 1.5 MB per core, the i3-4150 has 3 MB shared. Memory support: the Xeon handles DDR3 and DDR4, the i3-4150 only DDR3. ECC: supported only on the Xeon. PCIe lanes: 24 on the Xeon, 16 on the i3-4150.

Integrated graphics: the i3-4150 includes Intel HD 4400, the Xeon has none. Market segment: the Xeon is positioned as Server/Workstation, the i3-4150 as Desktop. Production status: the Xeon is Active, the i3-4150 is End-of-life. Release date: the Xeon launched on 2015-03-08, the i3-4150 on 2014-04-30. Launch MSRP: the Xeon carries a launch MSRP of $193, the i3-4150 a launch MSRP of $117. Neither processor has an unlocked multiplier.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Xeon D-1518 has an average benchmark score of 1121, while the Intel Core i3-4150 averages 1119. The Xeon leads by 0.2%, based on the nearestRivals deltaPct of 0.2.

Q: How much faster is the Xeon D-1518 in Cinebench R23 multi-core?

A: The Xeon D-1518 scores 3877 versus the Core i3-4150's 2888 in Cinebench R23 multi-core, a 34.2% advantage for the Xeon.

Q: Does the Core i3-4150 win any head-to-head benchmark?

A: No. The head-to-head data shows the i3-4150 with zero wins out of five tests. The Xeon D-1518 wins all five shared Cinebench tests.

Q: Which processor supports ECC memory?

A: Only the Intel Xeon D-1518 supports ECC memory. The Intel Core i3-4150 does not have ECC support, per the specification data.

Q: What is the difference in core and thread counts?

A: The Xeon D-1518 has 4 cores and 8 threads. The Core i3-4150 has 2 cores and 4 threads. The Xeon doubles both counts.

Q: Which processor has a higher base clock speed?

A: The Core i3-4150 has a base clock of 3.50 GHz, while the Xeon D-1518 runs at 2.20 GHz. The i3-4150's clock is 59% higher, yet the Xeon still wins all single-core Cinebench tests by roughly 34%.