Intel Core 3 N350 vs Intel Xeon Platinum 8280M Comparison
Intel Core 3 N350
Xeon Platinum 8280M
PERFORMANCE BENCHMARKS
Analysis: Intel Core 3 N350 vs Intel Xeon Platinum 8280M
The Verdict
The Intel Xeon Platinum 8280M is the clear performance winner in every recorded benchmark, beating the Intel Core 3 N350 by 80.4% across all six Cinebench tests. The Xeon posts roughly five times the multi-core score in Cinebench R23 (32015 vs 6274) and more than five times the single-core score (4519 vs 885). If your workload is compute-heavy and you have the platform to support a 205 Watt server processor, the Xeon Platinum 8280M is the only choice from the data.
The Intel Core 3 N350, however, is not without a purpose. It is a 7 Watt mobile part on a BGA 1264 socket, built for low-power, compact systems. Its average benchmark score (9903) actually sits slightly above the Xeon's average (9260), and it ranks in the 66th percentile of all CPUs versus the Xeon's 65th. That inverted ranking comes from the N350 having a much wider benchmark portfolio in the database, including PassMark tests where it scores well. Pick the N350 for efficiency-focused mobile builds where the 7 Watt TDP and integrated UHD Graphics 770 matter more than raw rendering muscle. Pick the Xeon Platinum 8280M for servers and workstations where the 28 cores, 56 threads, and ECC memory support are non-negotiable.
Architecture Differences
The two processors come from entirely different Intel design families. The Core 3 N350 uses the Twin Lake architecture on a 10 nm process node, while the Xeon Platinum 8280M uses Cascade Lake-SP on a 14 nm node with 8,000 million transistors. The N350 is a mobile segment part in the "Core 3 (Alder Lake-N)" generation, whereas the Xeon is a server/workstation part in the "Xeon Platinum (Cascade Lake-SP)" generation.
Core counts differ dramatically. The N350 has 8 cores and 8 threads with a base clock of 0.10 GHz and a boost clock of 3.90 GHz. The Xeon Platinum 8280M has 28 cores and 56 threads with a base clock of 2.70 GHz and a boost clock of 4.00 GHz. The Xeon's base clock is 2.60 GHz higher, which matters for sustained workloads, while the boost clocks are close.
Cache layouts are also different. The N350 has 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. The Xeon has 64 KB of L1 per core, 1 MB of L2 per core, and a much larger 38.5 MB of shared L3. The Xeon's per-core L2 and massive L3 pool give it a strong edge in cache-sensitive server workloads. The N350 supports DDR4, DDR5, and LPDDR5 memory on a single-channel bus with 38.4 GB/s of bandwidth, while the Xeon supports DDR4 only with ECC memory enabled. The N350 has no ECC support. The Xeon uses Intel Socket 3647, the N350 uses Intel BGA 1264. PCIe support is Gen 3 for both, but the N350 has 9 CPU lanes while the Xeon lists Gen 3 without a lane count.
Where Each One Wins
The Xeon Platinum 8280M wins every single benchmark category recorded in the head-to-head comparison. In Cinebench R15, R20, and R23, both multi-core and single-core results favor the Xeon by an identical 80.4% margin. The largest absolute gap is in Cinebench R23 multi-core, where the Xeon scores 32015 versus the N350's 6274, a difference of 25741 points. The Xeon also wins single-core by a wide margin, scoring 4519 versus 885 in Cinebench R23 single-core.
The N350's wins are not in raw compute but in the broader benchmark portfolio. Its average benchmark score of 9903 is 6.9% higher than the Xeon's 9260, driven by PassMark results. The N350 scores 80444 in data compression, 5693 in data encryption, 3981 in extended instructions, 17781 in floating point math, 27669 in integer math, 7382 in multithread, and 1974 in single thread. The Xeon has no recorded PassMark results in the database, so direct comparison in those tests is not possible. The N350 also has integrated UHD Graphics 770, which the Xeon lacks entirely. For a mobile or all-in-one system that needs display output without a discrete GPU, the N350 is the only one of the two that can do that on its own.
FAQ
Q: Which processor has more cores and threads?
A: The Intel Xeon Platinum 8280M has 28 cores and 56 threads, while the Intel Core 3 N350 has 8 cores and 8 threads.
Q: Does the Xeon Platinum 8280M support ECC memory?
A: Yes, the Xeon Platinum 8280M has ECC memory support. The Core 3 N350 does not support ECC memory.
Q: Which CPU is better for single-core performance?
A: The Xeon Platinum 8280M is better in single-core tests. In Cinebench R23 single-core, it scores 4519 versus the N350's 885, an 80.4% advantage.
Q: Can the Core 3 N350 output video without a dedicated graphics card?
A: Yes, the Core 3 N350 has integrated UHD Graphics 770. The Xeon Platinum 8280M has no integrated graphics.
Q: Which processor supports more memory types?
A: The Core 3 N350 supports DDR4, DDR5, and LPDDR5 memory. The Xeon Platinum 8280M supports DDR4 only.
Q: How do their average benchmark scores compare?
A: The Core 3 N350 has an average benchmark score of 9903, which is higher than the Xeon Platinum 8280M's 9260. The N350 ranks in the 66th percentile of all CPUs, while the Xeon ranks in the 65th.
Head-to-Head Benchmarks
The head-to-head data contains six Cinebench tests, and the Xeon Platinum 8280M wins all six with the exact same 80.4% delta. That uniformity suggests a consistent architectural advantage rather than workload-specific behavior.
In Cinebench R15 multi-core, the Xeon scores 3227 and the N350 scores 632. The 2595-point gap is typical of a high-core-count server part versus a low-power mobile part. In Cinebench R15 single-core, the Xeon scores 455 and the N350 scores 89. Even in single-threaded work, the Xeon's 4.00 GHz boost clock and older but higher-power design outpace the N350's 3.90 GHz boost.
Cinebench R20 multi-core shows the Xeon at 13446 and the N350 at 2635. The Xeon's 28 cores scale well in multi-threaded rendering, producing a result that is 10811 points higher. In R20 single-core, the Xeon scores 1897 versus 371, a 1526-point margin.
Cinebench R23 multi-core is the largest absolute difference in the set. The Xeon Platinum 8280M posts 32015, while the N350 posts 6274. That is a 25741-point gap, confirming that the Xeon is in a different performance class for heavily threaded workloads. In R23 single-core, the Xeon scores 4519 versus 885, a 3634-point gap.
Looking at the nearest rivals in the database provides context. The N350's nearest rival is the Intel Xeon Platinum 8280 (non-M variant), which has an average score of 10230, a 3.2% difference. The Xeon Platinum 8280M's nearest rival is the AMD Ryzen Threadripper 3960X with an average score of 9284, a 0.3% difference. The Xeon Platinum 8280M also sits close to the Intel Core i7-1165G7 (9235, 0.3% difference) and the Intel Xeon Gold 5320 (9234, 0.3% difference). These tight deltas show that the 8280M's average score is competitive with a broad range of processors, despite its older 2018 release date.
Specification Differences
The two CPUs differ in nearly every specification field. The Core 3 N350 is a 10 nm Twin Lake mobile part with 8 cores, 8 threads, a 0.10 GHz base clock, a 3.90 GHz boost clock, and a 7 Watt TDP. The Xeon Platinum 8280M is a 14 nm Cascade Lake-SP server part with 28 cores, 56 threads, a 2.70 GHz base clock, a 4.00 GHz boost clock, and a 205 Watt TDP.
Cache differences are significant. The N350 has 96 KB of L1 per core, 2 MB of shared L2, and 6 MB of shared L3. The Xeon has 64 KB of L1 per core, 1 MB of L2 per core, and 38.5 MB of shared L3. The Xeon's L3 cache is more than six times larger, which is critical for server workloads with large working sets.
Memory support diverges. The N350 supports DDR4, DDR5, and LPDDR5 on a single-channel bus with 38.4 GB/s bandwidth, and it has no ECC support. The Xeon supports DDR4 only with ECC support, and its memory bus and bandwidth are not recorded in the database. The N350 has integrated UHD Graphics 770; the Xeon has none. The N350 uses Intel BGA 1264, the Xeon uses Intel Socket 3647. PCIe is Gen 3 for both, but the N350 has 9 CPU lanes while the Xeon lists no lane count. The N350 was released on 2025-01-06 and is marked as Active in production, while the Xeon was released on 2018-12-10 and has no production status recorded. Neither processor has a launch MSRP in the database, and neither has an unlocked multiplier.