CPU Comparison

The Intel Xeon E-2226G and Intel Core i5-1345UE occupy nearly identical positions in the benchmark database despite their radically different designs. The Xeon E-2226G, a server/workstation part from 2019, and the Core i5-1345UE, a mobile processor from 2023, sit within 0.4% of each other in average benchmark score. Both land at the 50th percentile among all CPUs, with the Xeon averaging 2709 and the Core i5 averaging 2698. The data paints a picture of two chips that reach the same destination through entirely different architectural routes.

Head-to-Head Benchmarks

The head-to-head results show a clean sweep for the Intel Xeon E-2226G, which wins all six Cinebench comparisons, but the margins are remarkably thin. In Cinebench R15 multi-core, the Xeon scores 944 against 940 for the Core i5-1345UE, a 0.4% advantage. The single-core R15 test shows the Xeon ahead at 133 versus 132, a 0.8% lead that represents the largest delta in any benchmark. Moving to Cinebench R20, the Xeon posts 3934 multi-core and 555 single-core, while the Core i5 manages 3918 and 553, respectively, both 0.4% deltas. The R23 results continue the pattern: 9368 versus 9329 in multi-core and 1322 versus 1317 in single-core, again with the Xeon holding a 0.4% edge.

These margins are effectively negligible in real-world terms. The largest gap, the 0.8% single-core R15 delta, translates to a single point on a 133-point scale. The consistency of the 0.4% deltas across four of the six tests suggests a stable, near-identical performance ceiling rather than one chip having a meaningful advantage. The Core i5-1345UE's closest rival in the database is the Intel Core i7-8700T, with a delta of -0.1%, while the Xeon E-2226G's nearest comparison is the AMD Ryzen 5 PRO 5650U at -0.2%. Both chips essentially trade blows with the same cluster of processors, including the Intel Core i7-1185G7E and Intel Xeon E5-2640 v3, which appear as rivals for both.

Architecture Differences

The architectural split between these two processors is substantial. The Xeon E-2226G uses the Coffee Lake architecture, specifically the Coffee Lake-S WS die, built on Intel's 14 nm process with a die size of 154 mm². The Core i5-1345UE employs Raptor Lake, specifically Raptor Lake-U, on a 10 nm node with no die size listed. The node shrink from 14 nm to 10 nm is a generation-defining difference, yet the performance outcome is a statistical tie.

Core and thread counts diverge sharply. The Xeon E-2226G has 6 cores and 6 threads, meaning no hyper-threading support. The Core i5-1345UE offers 10 cores and 12 threads, a hybrid arrangement typical of Raptor Lake mobile parts. Despite having 4 more cores and 6 more threads, the Core i5 cannot outrun the Xeon in multi-threaded workloads, which suggests its efficiency-oriented design limits sustained throughput. The cache hierarchy differs accordingly: the Xeon carries 64 KB L1 and 256 KB L2 per core, while the Core i5 has 80 KB L1 and 1.25 MB L2 per core. Both share 12 MB of L3 cache, so the total last-level cache is identical, but the per-core L2 allocation on the Core i5 is nearly five times larger.

Clock speeds tell a complementary story. The Xeon E-2226G has a 3.40 GHz base clock and a 4.70 GHz boost clock. The Core i5-1345UE lists a 1400.00 MHz base clock, which is 1.40 GHz, and a 4.60 GHz boost. The Xeon's base clock is more than double the Core i5's, reflecting its workstation-oriented power budget. That power budget is where the two diverge most starkly: the Xeon has a TDP of 80 watts, while the Core i5 is rated at just 15 watts. The Xeon draws over five times the power to achieve the same benchmark scores.

Where Each One Wins

The Xeon E-2226G wins every benchmark in the head-to-head set, but the practical interpretation is more nuanced. Its wins are so narrow, all under 1%, that no workload would show a perceptible difference. The Xeon's advantage is structural rather than experiential: it supports ECC memory, a feature entirely absent from the Core i5-1345UE. For server or workstation tasks where data integrity is paramount, the Xeon is the only viable option of the two. Its dual-channel DDR4 memory bus delivers 42.7 GB/s of bandwidth, a figure the Core i5 does not list.

The Core i5-1345UE wins on platform flexibility and efficiency. It supports both DDR4 and DDR5 memory, whereas the Xeon is limited to DDR4. The Core i5's PCIe implementation is Gen 4 with 8 lanes, compared to the Xeon's Gen 3 with 16 lanes, the Core i5 offers newer interconnect technology, though with fewer lanes. The integrated graphics differ as well: the Xeon includes HD Graphics P630, while the Core i5 features Iris Xe Graphics 80EU, a more capable integrated solution for media and display workloads. The Core i5 is also an active production part, while the Xeon is end-of-life.

For use cases, the data suggests the Xeon belongs in a rack-mounted server or workstation where ECC memory and sustained power delivery matter more than efficiency. The Core i5 belongs in a laptop or compact mobile system where the 15-watt TDP enables fanless or low-noise designs and where DDR5 support future-proofs the memory subsystem. The Core i5's 10 cores and 12 threads would theoretically benefit heavily threaded workloads, but the benchmark results show no such benefit materializing, the Xeon's higher base clock and unrestricted power envelope keep them equal.

Specification Differences

The two processors differ across nearly every specification field. The Xeon E-2226G has 6 cores and 6 threads; the Core i5-1345UE has 10 cores and 12 threads. Base clocks are 3.40 GHz versus 1400.00 MHz, and boost clocks are 4.70 GHz versus 4.60 GHz. TDP is 80 watts versus 15 watts. Sockets are Intel Socket 1151 versus Intel BGA 1744. Architecture is Coffee Lake versus Raptor Lake, on 14 nm versus 10 nm nodes. The Xeon's die is 154 mm²; the Core i5's die size is not listed.

Cache configurations differ per core: the Xeon has 64 KB L1 and 256 KB L2 per core, while the Core i5 has 80 KB L1 and 1.25 MB L2 per core. Both share 12 MB L3. Memory support is DDR4 for the Xeon versus DDR4 and DDR5 for the Core i5. Memory bandwidth is listed at 42.7 GB/s for the Xeon but is null for the Core i5. ECC memory is supported only on the Xeon. PCIe is Gen 3 with 16 lanes on the Xeon versus Gen 4 with 8 lanes on the Core i5. Integrated graphics are HD Graphics P630 versus Iris Xe Graphics 80EU. The Xeon is a server/workstation part released in 2019 with a launch MSRP of $255; the Core i5 is a mobile part released in 2023 with no listed MSRP. The Xeon is end-of-life; the Core i5 is active. The Xeon has a part number (SRF7F); the Core i5 does not list one. Neither chip has an unlocked multiplier.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Xeon E-2226G averages 2709, while the Intel Core i5-1345UE averages 2698, a difference of 11 points or about 0.4%.

Q: Does the Core i5-1345UE support ECC memory?

A: No. ECC memory support is exclusive to the Intel Xeon E-2226G in this comparison. The Core i5-1345UE lists ECC memory as false.

Q: What are the core and thread counts for each chip?

A: The Intel Xeon E-2226G has 6 cores and 6 threads. The Intel Core i5-1345UE has 10 cores and 12 threads.

Q: Which processor supports DDR5 memory?

A: Only the Intel Core i5-1345UE supports DDR5, along with DDR4. The Intel Xeon E-2226G supports only DDR4.

Q: How do the TDP ratings compare?

A: The Intel Xeon E-2226G is rated at 80 watts, while the Intel Core i5-1345UE is rated at 15 watts, a five-fold difference in power draw.

Q: Which processor has a newer PCIe implementation?

A: The Intel Core i5-1345UE uses PCIe Gen 4 with 8 lanes. The Intel Xeon E-2226G uses PCIe Gen 3 with 16 lanes.

The Verdict

The data presents an unusual case: two processors from different eras, sockets, and market segments that benchmark as near-perfect equals. The Intel Xeon E-2226G wins all six head-to-head Cinebench tests, but the largest margin is 0.8% and the typical margin is 0.4%. No user would notice a difference between 944 and 940 in R15 multi-core, or between 1322 and 1317 in R23 single-core. The Xeon's 6 cores and 6 threads are sufficient to match the Core i5's 10 cores and 12 threads because the Xeon operates at a 3.40 GHz base clock with an 80-watt TDP, while the Core i5 idles at 1.40 GHz with a 15-watt TDP.

The choice between these two should be determined entirely by platform requirements, not performance. Buyers who need ECC memory, a socketed desktop/workstation form factor, or a server-grade part with a known part number should select the Xeon E-2226G. Its launch MSRP of $255 reflects its workstation positioning, though it is now end-of-life. Buyers who need a mobile processor with low power draw, DDR5 support, PCIe Gen 4, and a more capable integrated GPU should select the Core i5-1345UE. It is the only active production part of the two. The Core i5's 15-watt TDP makes it suitable for compact or battery-powered systems where the Xeon's 80-watt envelope would be impractical. Both chips sit at the 50th percentile of all CPUs, and both will deliver identical Cinebench-class performance. The deciding factor is the system around the chip, not the chip itself.