Intel Core i3-12300 vs Intel Xeon E-2276G Comparison

The Intel Xeon E-2276G is a 6-core, 12-thread server/workstation processor from the Xeon E-2200 series, while the Intel Core i3-12300 is a 4-core, 8-thread desktop part from the Core 12th Gen family. The database records six head-to-head Cinebench tests between these two CPUs, and the Core i3-12300 wins all six. The Xeon carries more cores and a higher boost clock, yet the newer Alder Lake architecture of the i3 delivers consistently higher scores across every measured workload.

Head-to-Head Benchmarks

The head-to-head results are uniform in direction but narrow in margin. In Cinebench R15 multi-core, the Core i3-12300 scores 1230 against the Xeon E-2276G's 1205, a 2% advantage. The single-core R15 test shows a similar pattern: 173 for the i3 versus 169 for the Xeon, a 2.3% lead. Moving to Cinebench R20, the i3 posts 5128 in multi-core against 5021 for the Xeon, a 2.1% gap, and 724 versus 708 in single-core, a 2.2% difference. The most recent Cinebench R23 results continue the trend: the i3 scores 12211 in multi-core versus 11957, and 1724 in single-core versus 1688, both with a 2.1% delta. Every one of these six tests ends with the Core i3-12300 ahead, and the margins are tightly clustered between 2% and 2.3%.

The Xeon E-2276G does have additional benchmark data in the database, including Geekbench scores of 6551 multi-core and 1610 single-core, but the Core i3-12300 has no recorded Geekbench results, so no direct comparison is possible there. The Cinebench suite, however, covers both multi-threaded and single-threaded workloads across three versions, and the i3 wins all of them. This is notable because the Xeon has 6 cores and 12 threads, while the i3 has only 4 cores and 8 threads. The i3's per-core performance advantage, driven by its newer architecture and smaller process node, more than compensates for the Xeon's additional physical cores.

The Verdict

The benchmark data is unambiguous: the Core i3-12300 outperforms the Xeon E-2276G in every head-to-head test recorded. The i3 wins all six Cinebench comparisons, with margins ranging from 2% to 2.3%. The Xeon's higher core count and higher boost clock (4.90 GHz versus 4.40 GHz) do not translate into a performance win. Instead, the i3's Alder Lake architecture, built on a 10 nm process compared to the Xeon's 14 nm, delivers better efficiency and higher instructions per clock.

For users who prioritize raw compute performance in Cinebench-style workloads, the Core i3-12300 is the clear choice. It also consumes less power, with a TDP of 60 watts versus 80 watts, and is an active production part, while the Xeon is end-of-life. The Xeon does offer ECC memory support and a server/workstation market segment, which may be relevant for specific reliability or platform requirements. However, strictly from the measured benchmark scores, the i3-12300 is the superior performer. The Xeon's only advantages are features that do not appear in the performance data, such as ECC and a different socket ecosystem.

FAQ

Q: Which CPU has the higher multi-core performance in Cinebench R23?

A: The Core i3-12300 scores 12211 in Cinebench R23 multi-core, while the Xeon E-2276G scores 11957, giving the i3 a 2.1% lead.

Q: Does the Xeon E-2276G support ECC memory?

A: Yes, the Xeon E-2276G supports ECC memory, while the Core i3-12300 does not.

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

A: The Xeon E-2276G has 6 cores and 12 threads, while the Core i3-12300 has 4 cores and 8 threads.

Q: Which CPU has a higher boost clock?

A: The Xeon E-2276G has a boost clock of 4.90 GHz, compared to 4.40 GHz for the Core i3-12300, yet the i3 still wins all benchmark tests.

Q: What is the process node difference?

A: The Xeon E-2276G is built on a 14 nm process, while the Core i3-12300 uses a 10 nm process.

Q: Which CPU has more PCIe lanes?

A: The Core i3-12300 has 20 PCIe Gen 5 lanes, while the Xeon E-2276G has 16 PCIe Gen 3 lanes.

Specification Differences

The two processors differ in several core specifications. The Xeon E-2276G has 6 cores and 12 threads, while the Core i3-12300 has 4 cores and 8 threads. Base clocks are 3.80 GHz for the Xeon and 3.50 GHz for the i3, with boost clocks of 4.90 GHz and 4.40 GHz respectively. TDP is 80 watts for the Xeon and 60 watts for the i3. The sockets differ: the Xeon uses Intel Socket 1151, while the i3 uses Intel Socket 1700. Process nodes are 14 nm for the Xeon and 10 nm for the i3, with die sizes of 154 mm² and 163 mm² respectively. Cache configurations also differ: the Xeon has 64 KB L1 and 256 KB L2 per core, while the i3 has 80 KB L1 and 1.25 MB L2 per core; both share 12 MB L3. Memory support is DDR4 for the Xeon and DDR4/DDR5 for the i3, with the Xeon having a recorded memory bandwidth of 42.7 GB/s while the i3 has no bandwidth figure. ECC memory is supported on the Xeon but not on the i3. PCIe connectivity is Gen 3 with 16 lanes on the Xeon versus Gen 5 with 20 lanes on the i3. Integrated graphics are HD Graphics P630 on the Xeon and UHD Graphics 730 on the i3. The Xeon is a server/workstation part and is end-of-life, while the i3 is a desktop part and is active. The Xeon has a release date of 2019-05-28, while the i3 has no recorded release date. The launch MSRP for the Xeon is $362, and for the i3 it is $143. Both processors have locked multipliers, and their part numbers are SR3WS for the Xeon and SRL61 for the i3.

Architecture Differences

The architectural gap is substantial. The Xeon E-2276G is based on Coffee Lake, specifically the Coffee Lake-S WS codename, and belongs to the Xeon E (Coffee Lake) generation. The Core i3-12300 uses Alder Lake, with the Alder Lake-S codename, and is part of the Core i3 (Alder Lake-S) generation. The process node shrinks from 14 nm to 10 nm, which contributes to the i3's higher efficiency and performance per clock. Cache hierarchies differ as well: the Xeon has 64 KB L1 and 256 KB L2 per core, while the i3 has 80 KB L1 and 1.25 MB L2 per core, a significant increase in L2 capacity. Both share 12 MB of L3 cache. Memory support expands from DDR4-only on the Xeon to DDR4 and DDR5 on the i3, though both use a dual-channel memory bus. ECC memory is a feature of the Xeon but absent on the i3. PCIe capability jumps from Gen 3 with 16 lanes to Gen 5 with 20 lanes. Integrated graphics differ, with the Xeon using HD Graphics P630 and the i3 using UHD Graphics 730. The Xeon targets the server/workstation market segment, while the i3 is a desktop part. The Xeon is end-of-life, whereas the i3 is active. The die size is slightly larger on the i3 at 163 mm² versus 154 mm², despite the smaller process node, reflecting the more complex Alder Lake design.

Where Each One Wins

Based on the recorded benchmark data, the Core i3-12300 wins every head-to-head comparison. It leads in all six Cinebench tests, covering both multi-core and single-core workloads across R15, R20, and R23. The i3's advantage is consistent, ranging from 2% to 2.3% depending on the test. This means that for any workload that resembles Cinebench, such as 3D rendering or video encoding, the i3-12300 is the faster processor. The Xeon E-2276G, despite having more cores and a higher boost clock, cannot overcome the architectural efficiency of the i3.

The Xeon does have a distinct feature set that may matter in specific environments. It supports ECC memory, which is critical for error-correcting workloads in servers or workstations. It also uses the Intel Socket 1151 platform, which may be relevant for existing systems. The Xeon's market segment is server/workstation, and it is end-of-life, while the i3 is an active desktop part. For users who require ECC or a server-grade platform, the Xeon offers those capabilities, but the performance data shows it is slower in every measured test. For users who prioritize raw compute performance, the Core i3-12300 is the clear winner. The i3 also has a lower TDP, newer PCIe generation, and support for DDR5 memory, making it a more modern choice overall. The benchmark results leave no ambiguity: the Core i3-12300 is the superior performer in this comparison.