Intel Core i3-1315UE vs Intel Xeon E3-1241 v3 Comparison

The Intel Xeon E3-1241 v3 and the Intel Core i3-1315UE occupy very different corners of the processor market. The Xeon is a server/workstation part from the Haswell era, while the i3 is a modern mobile chip built on Raptor Lake. Despite the generational gap, the recorded benchmark data shows the Xeon winning every single head-to-head test, though by narrow margins. This analysis breaks down the architecture, benchmark results, and practical implications of each processor based solely on the database records.

FAQ

Q: Which CPU has more physical cores?

A: The Core i3-1315UE has 6 cores, while the Xeon E3-1241 v3 has 4 cores. Both have 8 threads.

Q: Which CPU supports ECC memory?

A: The Xeon E3-1241 v3 supports ECC memory. The Core i3-1315UE does not.

Q: Which CPU has integrated graphics?

A: The Core i3-1315UE includes UHD Graphics 64EU. The Xeon E3-1241 v3 has no integrated graphics.

Q: Which CPU has a higher boost clock?

A: The Core i3-1315UE boosts to 4.50, while the Xeon E3-1241 v3 boosts to 3.90.

Q: Which CPU has a lower TDP?

A: The Core i3-1315UE has a TDP of 15, compared to the Xeon's 80.

Q: Which CPU wins all recorded Cinebench tests?

A: The Xeon E3-1241 v3 wins all six head-to-head Cinebench tests, with deltas ranging from 0.8% to 1.2%.

Architecture Differences

The two processors are built on fundamentally different platforms. The Xeon E3-1241 v3 uses the Haswell architecture on a 22 nm process, while the Core i3-1315UE uses Raptor Lake on a 10 nm process. The Xeon has 4 cores and 8 threads, whereas the i3 has 6 cores and 8 threads, meaning the i3 packs more physical cores but the same thread count.

Cache layouts differ significantly. The Xeon has 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3. The i3 has 80 KB of L1 per core, 1.25 MB of L2 per core, and 10 MB of shared L3. The i3's larger per-core L2 and total L3 give it a theoretical cache advantage, but the benchmark results do not reflect that in practice.

Memory support is another major split. The Xeon uses DDR3 with dual-channel memory and a recorded bandwidth of 25.6 GB/s. The i3 supports both DDR4 and DDR5, also dual-channel, but no bandwidth figure is recorded. The Xeon supports ECC memory, a critical feature for server and workstation reliability, while the i3 does not.

PCIe connectivity differs as well. The Xeon provides Gen 3 with 16 lanes (CPU only), while the i3 provides Gen 4 with 8 lanes (CPU only). The i3 includes integrated UHD Graphics 64EU, whereas the Xeon has none. The Xeon is a server/workstation part on Intel Socket 1150, while the i3 is a mobile part on BGA 1744. The Xeon is end-of-life, released on 2014-05-10, while the i3 is active, released on 2023-01-03.

Head-to-Head Benchmarks

The database records six Cinebench tests, and the Xeon E3-1241 v3 wins all of them. The margins are small but consistent.

In Cinebench R15 multi-core, the Xeon scores 612 against the i3's 606, a 1% lead. In R15 single-core, the Xeon scores 86 versus 85, a 1.2% advantage. Moving to R20, the Xeon leads multi-core 2550 to 2525, again 1%, and single-core 359 to 356, a 0.8% edge. In R23, the Xeon posts 6072 to 6013 in multi-core (1% ahead) and 857 to 849 in single-core (0.9% ahead).

These results are notable because the i3 has a newer architecture, more physical cores, and a higher boost clock (4.50 vs 3.90). Yet the Xeon, with its older Haswell design and lower boost, still edges out the i3 in every test. The deltas are all under 1.2%, so the practical difference is small, but the direction is unambiguous: the Xeon is the faster part in this benchmark suite.

The average benchmark score for the Xeon is 1756, while the i3 sits at 1739. Both processors land at the 41st percentile among all CPUs in the database. The Xeon's nearest rivals include the Core i7-4790T (avg 1755, delta 0%), Core i5-5675C (avg 1759, delta -0.2%), Ryzen 3 PRO 3200GE (avg 1750, delta 0.4%), and Xeon E-2224 (avg 1762, delta -0.3%). The i3's nearest rivals are the Core i3-10100 (avg 1742, delta -0.1%), Ryzen 3 4300U (avg 1742, delta -0.2%), Core i5-6600 (avg 1744, delta -0.3%), and Core i7-980X (avg 1746, delta -0.4%). These rival comparisons show both CPUs sitting in a tight performance band, but the Xeon holds a slight edge.

The Verdict

Based on the recorded data, the Xeon E3-1241 v3 is the faster processor in every Cinebench test. For raw compute performance, it is the clear winner. However, the i3-1315UE brings other advantages: integrated graphics, a much lower TDP (15 vs 80), a newer process node, and active production status. The Xeon is end-of-life, which may affect availability and long-term support.

The Xeon also supports ECC memory, making it suitable for server or workstation environments where data integrity is critical. The i3 does not support ECC. The i3's mobile socket and integrated graphics make it a natural fit for laptops and compact systems, while the Xeon's socket 1150 and lack of iGPU point toward traditional desktop or server builds.

If the priority is maximum benchmark performance, the Xeon wins. If the priority is power efficiency, integrated graphics, or a modern active platform, the i3 is the better choice. The data does not support the i3 as a performance upgrade; it is a different class of product with different strengths.

Specification Differences

• Cores: 4 (Xeon) vs 6 (i3)
• Base clock: 3.50 (Xeon) vs 1200.00 (i3)
• Boost clock: 3.90 (Xeon) vs 4.50 (i3)
• TDP: 80 (Xeon) vs 15 (i3)
• Socket: Intel Socket 1150 (Xeon) vs Intel BGA 1744 (i3)
• Process node: 22 nm (Xeon) vs 10 nm (i3)
• L1 cache per core: 64 KB (Xeon) vs 80 KB (i3)
• L2 cache per core: 256 KB (Xeon) vs 1.25 MB (i3)
• L3 cache shared: 8 MB (Xeon) vs 10 MB (i3)
• Memory support: DDR3 (Xeon) vs DDR4, DDR5 (i3)
• Memory bandwidth: 25.6 GB/s (Xeon) vs not specified (i3)
• ECC memory: true (Xeon) vs false (i3)
• PCIe: Gen 3, 16 lanes (Xeon) vs Gen 4, 8 lanes (i3)
• Integrated graphics: none (Xeon) vs UHD Graphics 64EU (i3)
• Market segment: Server/Workstation (Xeon) vs Mobile (i3)
• Production status: End-of-life (Xeon) vs Active (i3)
• Release date: 2014-05-10 (Xeon) vs 2023-01-03 (i3)
• Launch MSRP: $273 (Xeon only)

Where Each One Wins

The Xeon E3-1241 v3 wins all six recorded Cinebench tests, so it is the better choice for any workload that relies on multi-threaded or single-threaded compute performance as measured by Cinebench. Its ECC memory support gives it an edge in server or workstation environments where memory errors cannot be tolerated. The Xeon also has a higher memory bandwidth figure (25.6 GB/s) and more PCIe lanes (16 vs 8), which may benefit certain I/O-heavy tasks.

The Core i3-1315UE wins in scenarios where integrated graphics are required, eliminating the need for a discrete GPU. Its TDP of 15 makes it far more power-efficient, which is critical for mobile devices and fanless or low-power designs. The i3 is also an active product, meaning it is currently in production, while the Xeon is end-of-life. For new system designs, the i3 offers a modern platform with a 10 nm process and support for both DDR4 and DDR5 memory.

In summary, the Xeon is the performance leader in the database's benchmark suite, but the i3 is the more versatile and modern part for mobile and power-constrained applications. The choice depends entirely on whether raw compute or platform features matter more.