Intel Core i3-12100T vs Intel Xeon E5-1660 v4 Comparison

The Intel Core i3-12100T and the Intel Xeon E5-1660 v4 represent two very different eras of desktop computing, yet their average benchmark scores are nearly identical. The i3-12100T, a modern 10 nm Alder Lake part, posts an average score of 3277, while the older 14 nm Broadwell Xeon E5-1660 v4 scores 3264. Despite the Xeon's 8 cores and 16 threads against the i3's 4 cores and 8 threads, the newer architecture of the i3 closes the gap, resulting in a difference of just 0.4% in favor of the i3. The data reveals a fascinating clash between core count and architectural efficiency.

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Core i3-12100T has a slightly higher average benchmark score of 3277, compared to the Intel Xeon E5-1660 v4's score of 3264. This puts the i3-12100T just 0.4% ahead of the Xeon in the database's aggregate metric.

Q: How do the two chips compare in the head-to-head Cinebench R23 tests?

A: The Xeon E5-1660 v4 wins all six head-to-head tests, including a 7% advantage in Cinebench R23 multicore (11285 vs 10490) and a 7% lead in single-core (1593 vs 1481).

Q: Does the older Xeon processor support error-correcting memory?

A: Yes, the Intel Xeon E5-1660 v4 supports ECC memory and features a quad-channel memory bus, whereas the Intel Core i3-12100T does not support ECC and is limited to dual-channel memory.

Q: What are the power requirements for each CPU?

A: The Intel Core i3-12100T has a TDP of 35 watts, making it a highly efficient low-power part. In contrast, the Intel Xeon E5-1660 v4 has a TDP of 140 watts, requiring significantly more power.

Q: Which processor has a higher clock speed?

A: The Intel Xeon E5-1660 v4 has a higher base clock of 3.20 GHz, but the Intel Core i3-12100T has a higher boost clock of 4.10 GHz. The Xeon's boost clock is 3.80 GHz.

Q: What is the production status of these two processors?

A: The Intel Core i3-12100T is listed as "Active" in production, while the Intel Xeon E5-1660 v4 is marked as "End-of-life" and was released on 2016-06-19.

Architecture Differences

The two processors are built on fundamentally different architectures and process nodes. The Intel Core i3-12100T is a 10 nm Alder Lake-S part, while the Intel Xeon E5-1660 v4 is a 14 nm Broadwell-EP chip. This process advantage gives the i3 a significant efficiency lead, as reflected in its 35-watt TDP compared to the Xeon's 140-watt TDP. The die size also differs substantially, with the i3 measuring 163 mm² versus the Xeon's larger 246 mm².

Core and thread counts are where the Xeon pulls ahead. The i3-12100T offers 4 cores and 8 threads, while the Xeon E5-1660 v4 doubles that with 8 cores and 16 threads. Cache configurations also favor the Xeon in total capacity: the i3 has 12 MB of shared L3 cache, whereas the Xeon has 20 MB of shared L3 cache. However, the per-core cache allocations tell a different story. The i3 features 80 KB of L1 and 1.25 MB of L2 per core, while the Xeon has 64 KB of L1 and 256 KB of L2 per core, indicating the i3's more modern cache design.

Memory support is a major differentiator. The i3-12100T supports both DDR4 and DDR5 memory over a dual-channel bus, while the Xeon E5-1660 v4 is restricted to DDR4 over a quad-channel bus. The Xeon compensates with a higher memory bandwidth of 76.8 GB/s and ECC support, which the i3 lacks. PCIe connectivity also differs: the i3 offers Gen 5 with 20 lanes, while the Xeon provides Gen 3 with 40 lanes. The i3 includes integrated UHD Graphics 730, whereas the Xeon has no integrated graphics.

Head-to-Head Benchmarks

The head-to-head data is unambiguous: the Intel Xeon E5-1660 v4 wins all six benchmark comparisons. The margins are consistent, with the Xeon leading by 6.9% to 7% across the board. In Cinebench R15, the Xeon scores 1137 versus the i3's 1057 in multicore, a 7% advantage. The single-core R15 test shows a 6.9% lead for the Xeon, with scores of 160 and 149 respectively.

Moving to Cinebench R20, the pattern holds. The Xeon's multicore score of 4739 beats the i3's 4405 by 7%, and its single-core score of 669 beats 622 by the same 7% margin. The results are nearly identical in Cinebench R23: the Xeon scores 11285 multicore and 1593 single-core, while the i3 scores 10490 and 1481 respectively, again a 7% differential in each test.

The fact that the Xeon wins by a uniform margin across all tests is notable. Despite having twice as many cores and threads, the Xeon does not achieve a larger multicore advantage than its single-core lead. The i3's newer Alder Lake architecture clearly boosts its per-core performance, preventing the Xeon's core-count advantage from translating into a bigger win. The i3's higher boost clock of 4.10 GHz versus the Xeon's 3.80 GHz helps close the single-core gap that the Xeon's higher 3.20 GHz base clock cannot overcome.

Specification Differences

The two processors differ across nearly every major specification category. The most obvious difference is core count: the Xeon E5-1660 v4 has 8 cores and 16 threads, while the i3-12100T has 4 cores and 8 threads. This is a 100% increase in parallel resources for the Xeon.

Clock speeds present a mixed picture. The Xeon has a higher base clock at 3.20 GHz versus 2.20 GHz for the i3, but the i3's boost clock of 4.10 GHz exceeds the Xeon's 3.80 GHz. The TDP figures are starkly different, with the i3 at 35 watts and the Xeon at 140 watts, a 4x difference.

The sockets are incompatible: the i3 uses Intel Socket 1700, while the Xeon uses Intel Socket 2011-3. Process technology differs as well, with the i3 on 10 nm versus the Xeon's 14 nm. The Xeon has a transistor count of 3,400 million, while the i3's transistor count is not specified in the data.

Memory support diverges on several fronts. The i3 supports DDR4 and DDR5, while the Xeon only supports DDR4. The memory bus width differs, with the i3 using dual-channel and the Xeon using quad-channel. The Xeon has an explicit memory bandwidth of 76.8 GB/s, while the i3's bandwidth is not listed. ECC memory is supported only by the Xeon.

PCIe capabilities also differ: the i3 provides Gen 5 with 20 lanes, whereas the Xeon provides Gen 3 with 40 lanes. The i3 has integrated UHD Graphics 730, while the Xeon has no integrated graphics. Production statuses are opposites, with the i3 Active and the Xeon End-of-life. The launch MSRP for the i3-12100T is $122, while the Xeon E5-1660 v4 launched at $1113.

The Verdict

The data presents a clear picture for different use cases. The Intel Xeon E5-1660 v4 wins every benchmark test in the head-to-head comparison, with a consistent 7% lead in both single-core and multi-core workloads. Its 8 cores, 16 threads, 20 MB of L3 cache, and quad-channel memory with ECC support make it a capable platform for memory-intensive applications that can leverage parallel processing. The Xeon's higher base clock of 3.20 GHz also contributes to its benchmark superiority.

However, the Intel Core i3-12100T is far from a poor performer. Its 10 nm architecture delivers competitive results with a 35-watt TDP, making it vastly more power-efficient than the 140-watt Xeon. The i3's support for both DDR4 and DDR5 memory, along with PCIe Gen 5, provides a more modern platform foundation. Its integrated UHD Graphics 730 eliminates the need for a discrete GPU in basic systems.

The verdict from the data is straightforward: users who prioritize raw compute performance and require ECC memory support should choose the Xeon E5-1660 v4, as its benchmark scores are higher across all tests. Users who value modern features, lower power consumption, and a current production status should opt for the i3-12100T, which delivers 93% of the Xeon's performance at a fraction of the power draw. The Xeon's 53rd percentile ranking matches the i3's exactly, but its end-of-life status and older platform make it a less future-proof choice despite its benchmark wins.