AMD EPYC 72F3 vs Intel Core i9-12900E Comparison

The AMD EPYC 72F3 and Intel Core i9-12900E represent two fundamentally different approaches to computing, yet their benchmark scores place them on nearly equal footing. The data shows a remarkably consistent pattern: the Intel Core i9-12900E wins every single head-to-head benchmark, but by margins so slim they border on statistical noise. Across six Cinebench tests, the Intel part leads by a margin of 1.5% to 1.6% in every instance, a consistency that speaks to architectural efficiency rather than raw dominance. The EPYC 72F3, meanwhile, counters with a massive advantage in platform capabilities, featuring eight-channel memory support and 128 PCIe Gen 4 lanes compared to the Intel part's dual-channel memory and 20 PCIe Gen 5 lanes.

Head-to-Head Benchmarks

The Cinebench R15 multicore test opens the comparison with the Intel Core i9-12900E scoring 2371 against the EPYC 72F3's 2334, a 1.6% advantage. The single-core variant tells the same story: Intel leads 334 to 329, a 1.5% gap. These margins are small enough that run-to-run variance could theoretically flip the results, but the pattern holds across every subsequent test. In Cinebench R20, the Intel part scores 9882 multicore versus 9728 for the AMD, again a 1.6% lead, while single-core results show 1394 versus 1373, a 1.5% difference. The newest Cinebench R23 test continues the trend: Intel's 23529 multicore score edges out AMD's 23164 by 1.6%, and the single-core result of 3321 versus 3270 shows a 1.5% gap.

The consistency of these deltas is notable. Every multicore test shows exactly 1.6% separation, and every single-core test shows exactly 1.5%. This suggests the performance relationship between these two processors is stable across different workload intensities and thread counts, at least within the Cinebench suite. The i9-12900E also contributes Geekbench results to the dataset, scoring 10280 multicore and 1775 single-core, though the EPYC 72F3 has no corresponding Geekbench scores for direct comparison. Neither processor participates in the other's exclusive benchmark, so the head-to-head comparison rests entirely on the six Cinebench tests — and Intel wins all six.

Looking at the broader competitive landscape, both processors sit at the 62nd percentile among all CPUs, an identical position that reinforces the closeness of their average performance. The EPYC 72F3's average benchmark score of 6700 places it within a hair of the Intel Xeon Gold 5317 (6710, -0.1%), the Intel Xeon D-2775TE (6711, -0.2%), and slightly ahead of the Intel Core i9-9940X (6657, 0.6%) and AMD Ryzen Threadripper 2950X (6647, 0.8%). The i9-12900E's average score of 6611 puts it near the Intel Pentium Gold G6405 (6605, 0.1%), Intel Core i9-10940X (6605, 0.1%), and Intel Core i5-13500E (6586, 0.4%), while trailing the Intel Core i5-13400E (6638, -0.4%) by a similar negligible margin. These rival comparisons show that both chips operate in a dense field of similarly performing processors.

The Verdict

The data presents a clear but narrow winner in raw compute performance: the Intel Core i9-12900E. It wins all six head-to-head benchmarks, though by margins that would rarely be perceptible in real-world use. The verdict for most users should be based on platform requirements rather than benchmark scores. The EPYC 72F3 offers eight-channel DDR4 memory support with 204.8 GB/s of bandwidth, while the i9-12900E is limited to dual-channel memory with no bandwidth figure provided. The AMD part also provides 128 PCIe Gen 4 lanes versus Intel's 20 PCIe Gen 5 lanes, a massive difference in expansion capability. The EPYC 72F3 supports ECC memory; the i9-12900E does not. The Intel part includes integrated UHD Graphics 770; the AMD part has no integrated graphics.

The i9-12900E counters with a much higher boost clock of 5.00 GHz versus 4.10 GHz, a lower 65 W TDP versus 180 W, and support for both DDR4 and DDR5 memory. It also features an unlocked multiplier, while the EPYC 72F3 is locked. The Intel part is newer, released on 2022-01-03 compared to the EPYC's 2021-03-14. For a desktop user who values single-thread performance, overclocking headroom, and integrated graphics, the i9-12900E is the data-backed choice. For a server or workstation deployment requiring extensive memory bandwidth, ECC reliability, and massive PCIe expansion, the EPYC 72F3's platform advantages outweigh its slight benchmark deficit.

Where Each One Wins

The Intel Core i9-12900E wins every measured benchmark, so its case rests on those six Cinebench results plus its Geekbench scores. It also wins on clock speed, with a 5.00 GHz boost versus 4.10 GHz, and on power efficiency, with a 65 W TDP versus 180 W. The unlocked multiplier gives overclocking flexibility that the EPYC 72F3 lacks. The integrated UHD Graphics 770 provides display output without a discrete GPU, and the dual memory support (DDR4 and DDR5) offers upgrade flexibility. The desktop market segment and Socket 1700 platform target conventional PC builds.

The AMD EPYC 72F3 wins decisively on platform capabilities. The eight-channel memory bus with 204.8 GB/s bandwidth dwarfs the dual-channel configuration of the Intel part. The 128 PCIe Gen 4 lanes versus 20 PCIe Gen 5 lanes represents a 6.4x lane-count advantage, critical for multi-GPU or high-density storage configurations. ECC memory support is essential for data integrity in server workloads. The 256 MB shared L3 cache vastly exceeds the Intel part's 30 MB. The server/workstation market segment and Socket SP3 platform target enterprise deployments. The EPYC 72F3 also has a higher base clock (3.70 GHz versus 2.30 GHz), which can benefit consistently threaded workloads that don't rely on boost behavior.

FAQ

Q: Which processor has the higher single-core performance?

A: The Intel Core i9-12900E leads in every single-core test, scoring 334 in Cinebench R15, 1394 in R20, and 3321 in R23, versus the EPYC 72F3's 329, 1373, and 3270 respectively, a consistent 1.5% advantage.

Q: How do the multicore scores compare?

A: The Intel part wins each multicore test by 1.6%: 2371 versus 2334 in R15, 9882 versus 9728 in R20, and 23529 versus 23164 in R23. The i9-12900E also posts a Geekbench multicore score of 10280.

Q: What are the core and thread counts?

A: The EPYC 72F3 has 8 cores and 16 threads, while the Core i9-12900E has 16 cores and 24 threads. Despite having half the cores, the EPYC stays within 1.6% of the Intel part in multicore tests.

Q: Which processor supports ECC memory?

A: The AMD EPYC 72F3 supports ECC memory, while the Intel Core i9-12900E does not. The EPYC also uses eight-channel DDR4 memory with 204.8 GB/s bandwidth, versus the Intel part's dual-channel DDR4/DDR5 support.

Q: What is the difference in PCIe capabilities?

A: The EPYC 72F3 provides 128 PCIe Gen 4 lanes (CPU only), while the Core i9-12900E provides 20 PCIe Gen 5 lanes (CPU only). The EPYC offers far more lanes, though the Intel part's are a newer generation.

Q: Do these processors have integrated graphics?

A: The Intel Core i9-12900E includes UHD Graphics 770. The AMD EPYC 72F3 has no integrated graphics. This makes the Intel part suitable for systems without a discrete GPU.

Architecture Differences

The EPYC 72F3 is built on AMD's Zen 3 architecture, codenamed Milan, using a 7 nm process at TSMC with 33,200 million transistors spread across eight 81 mm² dies. The Core i9-12900E uses Intel's Alder Lake architecture, codenamed Alder Lake-S, on a 10 nm process with a 215 mm² die size. The EPYC's 256 MB shared L3 cache is a defining feature, vastly larger than the i9-12900E's 30 MB shared L3. Per-core cache allocations differ: the EPYC has 64 KB L1 and 512 KB L2 per core, while the Intel part has 80 KB L1 and 1.25 MB L2 per core.

The memory subsystems diverge sharply. The EPYC 72F3 supports DDR4 with an eight-channel memory bus and 204.8 GB/s bandwidth, while the i9-12900E supports both DDR4 and DDR5 with a dual-channel bus and no bandwidth figure listed. ECC memory is supported only on the EPYC. The EPYC is fabricated by TSMC; the i9-12900E by Intel. Socket compatibility differs completely: AMD Socket SP3 for the EPYC versus Intel Socket 1700 for the i9-12900E. The EPYC 72F3 targets the server/workstation segment and the i9-12900E targets desktop. The Intel part has an unlocked multiplier; the EPYC does not. The i9-12900E's integrated UHD Graphics 770 is absent on the EPYC. The EPYC 72F3 was released on 2021-03-14 with a launch MSRP of $2468; the Core i9-12900E was released on 2022-01-03 with a launch MSRP of $494.