CPU Comparison

Head-to-Head Benchmarks

The benchmark data paints an unusually one-sided picture. The Intel Xeon W3540 wins every single head-to-head comparison in the Cinebench suite, though the margins are razor-thin. In Cinebench R15 multi-core, the Xeon scores 267 against the Core i3-4330T's 265, a 0.8% advantage. That pattern holds across every other test: Cinebench R20 multi-core shows 1113 versus 1108 (0.5% delta), and single-core in the same test is 157 versus 156 (0.6%). The R23 results follow suit, 2652 against 2639 multi-core (0.5%) and 374 against 372 single-core (0.5%).

The wins are consistent but almost negligible in magnitude. A 0.5% to 0.8% lead across all five benchmarks does not represent a meaningful performance tier separation; it is within run-to-run variance territory for most workloads. Still, the data is unambiguous: the Xeon W3540 claims all five victories, while the Core i3-4330T records zero outright wins. For users parsing benchmark charts, the takeaway is that the older Xeon holds a slight but reproducible edge in every measured metric.

What makes this interesting is the context. The Xeon W3540's average benchmark score is 913, while the Core i3-4330T sits at 908. That five-point gap puts the Xeon in the 24th percentile of all CPUs, and the Core i3 lands in the exact same percentile, 24th. Both chips occupy the same performance neighborhood, surrounded by a cluster of rivals: the AMD Ryzen 3 3250U (908, 0% delta from the Core i3), the AMD PRO A12-9800E (910, -0.3% from the Core i3), and the Intel Pentium Gold G6405T (915, -0.2% from the Xeon). The Xeon's nearest rival, the Pentium Gold G6405T, out-scores it by 0.2%, while the Core i3's closest competitor, the Core i3-10110Y, matches it exactly at 908.

Where Each One Wins

The Xeon W3540 wins everywhere in the benchmark suite, but the practical implications are different from the raw scoreboard. Its five-win sweep is built on a combination of two extra cores and four extra threads, 8 threads versus the Core i3-4330T's 4, yet the multi-core margins are surprisingly small. In Cinebench R15, the Xeon's 8-thread advantage yields only 2 points (267 vs 265). That suggests the Core i3's newer architecture compensates heavily for its thread deficit.

The single-core results reinforce this. The Xeon edges out the Core i3 by 1 point in R20 single-core (157 vs 156) and by 2 points in R23 single-core (374 vs 372). A 2013 desktop chip with half the threads nearly matches a 2009 server/workstation part on raw single-thread performance. The Core i3-4330T's 3.00 GHz base clock, with no boost clock listed, is higher than the Xeon's 2.93 GHz base and only slightly below its 3.20 GHz boost, yet the Xeon still wins by a hair.

For use-case segmentation, the Xeon W3540 is the pick for multi-threaded render workloads where every point in Cinebench R20 or R23 matters, however marginally. Its 8 MB shared L3 cache (versus 4 MB on the Core i3) and triple-channel DDR3 memory bus (versus dual-channel) give it a structural advantage in memory-hungry tasks. The Core i3-4330T, meanwhile, is not without merit: its 35W TDP versus the Xeon's 130W TDP makes it vastly more efficient for the same benchmark scores, a critical factor in compact or thermally constrained builds.

Architecture Differences

These two processors come from different eras and fundamentally different design philosophies. The Xeon W3540 is built on Intel's 45 nm process, codenamed Bloomfield under the Nehalem architecture, and belongs to the Xeon (Bloomfield) generation. It packs 731 million transistors into a 263 mm² die. The Core i3-4330T uses the 22 nm process, codenamed Haswell, with 1,400 million transistors in a smaller 177 mm² die, nearly double the transistor count on a die that is 86 mm² smaller.

The core configurations diverge sharply. The Xeon offers 4 cores and 8 threads; the Core i3 offers 2 cores and 4 threads. Cache layouts also differ: both have 64 KB L1 and 256 KB L2 per core, but the Xeon's L3 is 8 MB shared versus 4 MB on the Core i3. The Xeon's memory bus is triple-channel DDR3, while the Core i3's is dual-channel DDR3, though neither lists a memory bandwidth figure in the data.

Platform features highlight the generational leap. The Xeon W3540 uses Intel Socket 1366 and PCIe Gen 2; the Core i3-4330T uses Intel Socket 1150 and PCIe Gen 3. The Core i3 includes integrated graphics (Intel HD 4600), while the Xeon has none listed. ECC memory support is exclusive to the Xeon, reflecting its server/workstation market segment; the Core i3 lacks ECC entirely. The Xeon's part number is SLBEX, the Core i3's is SR1NK. Neither chip has an unlocked multiplier, and neither lists a launch MSRP in the data.

The release dates are separated by over four years: the Xeon W3540 launched on March 29, 2009, while the Core i3-4330T arrived on August 31, 2013. The Xeon is explicitly marked end-of-life production status; the Core i3's status is not listed. The market segments tell the story: the Xeon targets server/workstation workloads, the Core i3 targets desktop consumers.

FAQ

Q: Which CPU has more cores and threads?

A: The Intel Xeon W3540 has 4 cores and 8 threads. The Intel Core i3-4330T has 2 cores and 4 threads.

Q: Is there a meaningful performance difference between them?

A: The Xeon W3540 wins all five Cinebench comparisons, but by margins of only 0.5% to 0.8%. Their average benchmark scores are 913 and 908 respectively, and both sit in the 24th percentile of all CPUs.

Q: How do they compare on power consumption?

A: The Xeon W3540 has a TDP of 130W, while the Core i3-4330T has a TDP of 35W. The Core i3 delivers nearly identical benchmark scores at a fraction of the power draw.

Q: Which CPU supports ECC memory?

A: Only the Intel Xeon W3540 supports ECC memory, consistent with its server/workstation market segment. The Core i3-4330T does not list ECC support.

Q: What are the integrated graphics options?

A: The Intel Core i3-4330T includes Intel HD 4600 integrated graphics. The Intel Xeon W3540 has no integrated graphics listed.

Q: How do their memory channels differ?

A: The Xeon W3540 uses triple-channel DDR3 memory, while the Core i3-4330T uses dual-channel DDR3.

The Verdict

The benchmark data is clear: the Intel Xeon W3540 is the faster processor in every measured Cinebench test. It wins 5 out of 5 head-to-head comparisons, with its largest margin being a 0.8% lead in R15 multi-core. For users who need absolute maximum multi-threaded render scores on this specific benchmark suite, the Xeon W3540 is the data-backed choice.

However, the margins are so thin that they border on statistical noise. A 0.5% average advantage across all tests, coupled with an identical 24th percentile ranking, means these two chips are functionally equivalent in real-world performance. The Core i3-4330T matches the Xeon within 2 to 14 points across all benchmarks, despite having half the cores and half the threads.

The real differentiators are not benchmark scores but platform attributes. The Xeon W3540 offers ECC memory support, triple-channel DDR3, and 8 MB of L3 cache, features aimed at server and workstation reliability. The Core i3-4330T counters with integrated graphics, PCIe Gen 3, a 22 nm process, and a dramatically lower 35W TDP versus 130W. For a desktop user building a low-power system with modern connectivity, the Core i3-4330T is the sensible choice. For a workstation requiring ECC memory and maximum thread count, the Xeon W3540's data-backed wins justify its selection, even if the performance gap is only a rounding error away from a tie.