Intel Core i5-13600 vs Intel Core i9-12900 Comparison

Head-to-Head Benchmarks

The benchmark results reveal a surprisingly split picture between these two Intel desktop processors. The Intel Core i9-12900 wins 11 of the 17 head-to-head comparisons, but the Intel Core i5-13600 claims the most dramatic victories. The single-core results are the headline story. In Cinebench R23 single-core, the i5-13600 scores 3758 against the i9-12900's 1825, a 105.9% advantage. That is more than double the performance. Cinebench R15 single-core tells a similar story, with the i5-13600 ahead by 44.3% (378 vs 262).

The multi-core picture is more complex. The i9-12900 wins Cinebench R15 multicore by 18.7% (3299 vs 2683) and Cinebench R20 multicore by 6.8% (11994 vs 11180). Yet the i5-13600 flips the script in Cinebench R23 multicore, scoring 26620 versus 18628, a 42.9% lead. This inconsistency across Cinebench versions suggests workload-specific scaling behavior, not a simple core-count story.

In PassMark tests, the i9-12900 generally takes the lead. It wins data compression by 5.9% (407899 vs 383972), data encryption by 4.4% (23203 vs 22182), extended instructions by 7% (24777 vs 23045), find prime numbers by 9.9% (121 vs 109), floating point math by 10.5% (91514 vs 81892), integer math by 12.9% (127512 vs 111044), multithread by 5.6% (33608 vs 31725), and random string sorting by 4.6% (44070 vs 42040). The i5-13600 edges out the i9 in PassMark physics (1782 vs 1730, a 3% lead) and PassMark single-thread (4049 vs 4003, a 1.1% lead). That single-thread margin is thin, but it reinforces the Cinebench single-core story.

The average benchmark scores tell a broader tale. The i5-13600 has an average benchmark score of 44240, while the i9-12900 sits at 42906. That is a 3.1% gap in favor of the newer chip, despite the i9 winning more individual tests. Both processors land at the 88th percentile among all CPUs in the database, meaning they occupy the same overall performance tier.

Architecture Differences

The two chips come from different Intel generations. The i5-13600 uses Raptor Lake (Raptor Lake-S) architecture, while the i9-12900 uses Alder Lake (Alder Lake-S). Both are built on Intel's 10 nm process with a 215 mm² die size, but the core configurations differ meaningfully. The i5-13600 has 14 cores and 20 threads, whereas the i9-12900 has 16 cores and 24 threads. That extra silicon in the i9 should theoretically help in heavily threaded workloads, and the benchmark data confirms this in most PassMark tests.

Cache layouts also diverge. Both share the same L1 (80 KB per core) and L2 (1.25 MB per core) structure, but the L3 cache differs: the i5-13600 carries 24 MB shared, while the i9-12900 has 30 MB shared. The larger L3 on the i9 likely contributes to its wins in data compression, encryption, and integer-heavy PassMark workloads. Base and boost clocks favor different chips. The i5-13600 has a base clock of 2.70 GHz and a boost clock of 5.00 GHz. The i9-12900 starts lower at 2.40 GHz base but boosts higher to 5.10 GHz. That higher boost clock may explain the i9's narrow wins in some single-threaded PassMark tests, though the i5's superior single-core Cinebench scores suggest architecture efficiency matters more than raw clock speed.

Memory support is identical: both accept DDR4 and DDR5, run dual-channel, and support ECC memory. The i9-12900 lists a memory bandwidth of 76.8 GB/s, while the i5-13600 does not have that figure recorded. PCIe connectivity matches at Gen 5, 16 Lanes (CPU only). Both integrate UHD Graphics 770. The socket is the same Intel Socket 1700. Production status is Active for both. The i5-13600 launched on 2023-01-03, while the i9-12900 launched a year earlier on 2022-01-03. The i5 is locked (multiplier not unlocked), while the i9 has an unlocked multiplier. The part numbers differ: SRMBS for the i5, SRL4KQXQ3 for the i9.

FAQ

Q: Which chip has more cores and threads?

A: The Intel Core i9-12900 has 16 cores and 24 threads, compared to 14 cores and 20 threads on the Intel Core i5-13600.

Q: Why does the i5-13600 win Cinebench R23 multicore by such a large margin?

A: The i5-13600 scores 26620 versus 18628 for the i9-12900, a 42.9% difference. This suggests the Raptor Lake architecture in the i5 handles the R23 workload more efficiently than Alder Lake in the i9, despite the i9 having more cores.

Q: Is the i9-12900 always faster in multi-threaded workloads?

A: No. The i9 wins Cinebench R15 multicore (3299 vs 2683) and Cinebench R20 multicore (11994 vs 11180), but loses Cinebench R23 multicore. The PassMark multithread test goes to the i9 (33608 vs 31725), but the i5 wins PassMark physics (1782 vs 1730).

Q: What is the single-core performance difference?

A: The i5-13600 leads in all single-core tests. Cinebench R23 single-core shows a 105.9% lead (3758 vs 1825). Cinebench R15 single-core shows a 44.3% lead (378 vs 262). PassMark single-thread shows a smaller 1.1% lead (4049 vs 4003).

Q: Do both chips support the same memory types?

A: Yes, both support DDR4 and DDR5 with dual-channel memory and ECC. The i9-12900 also lists a memory bandwidth of 76.8 GB/s, a figure not recorded for the i5-13600.

Q: Which CPU has a higher boost clock?

A: The i9-12900 boosts to 5.10 GHz, while the i5-13600 boosts to 5.00 GHz. However, the i5 has a higher base clock at 2.70 GHz versus 2.40 GHz for the i9.

The Verdict

The data points to a nuanced recommendation. For users prioritizing single-core performance, the Intel Core i5-13600 is the clear choice. Its Cinebench R23 single-core score of 3758 is more than double the i9-12900's 1825, and it wins every single-threaded test in the comparison. The 105.9% delta in that benchmark is not a marginal improvement; it is a generational leap in architecture efficiency.

For users running heavily parallel workloads, the Intel Core i9-12900 holds advantages in most PassMark tests. It wins integer math, floating point math, data compression, data encryption, extended instructions, find prime numbers, random string sorting, and multithread. Each of those wins ranges from 4.4% to 12.9%. The i9 also takes Cinebench R15 and R20 multicore, though it loses R23 multicore by a significant margin.

The average benchmark score favors the i5-13600 at 44240 versus 42906 for the i9. Both sit at the 88th percentile among all CPUs. The i5 achieves this with fewer cores and fewer threads, which speaks to the efficiency of the Raptor Lake design. The i9 counters with more cache (30 MB vs 24 MB L3) and an unlocked multiplier, which may appeal to users wanting manual overclocking headroom. The i5 is launch MSRP $255, while the i9 is launch MSRP $519. The i5 also launches a year later, in 2023 versus 2022 for the i9.

Specification Differences

The two processors differ in several key specifications. The i5-13600 has 14 cores and 20 threads; the i9-12900 has 16 cores and 24 threads. Base clocks differ: 2.70 GHz for the i5, 2.40 GHz for the i9. Boost clocks also differ: 5.00 GHz for the i5, 5.10 GHz for the i9. L3 cache differs: 24 MB shared for the i5, 30 MB shared for the i9. The i9-12900 lists memory bandwidth of 76.8 GB/s; the i5-13600 does not have a recorded figure. The multiplier is locked on the i5-13600 but unlocked on the i9-12900. Release dates differ: 2023-01-03 for the i5, 2022-01-03 for the i9. Launch MSRP differs: $255 for the i5, $519 for the i9. Architecture differs: Raptor Lake-S for the i5, Alder Lake-S for the i9. Part numbers differ: SRMBS for the i5, SRL4KQXQ3 for the i9. All other specifications match: socket, process node, die size, L1 and L2 cache, memory support, memory bus, ECC, PCIe, integrated graphics, market segment, production status, foundry, and manufacturer.

Where Each One Wins

The Intel Core i5-13600 wins in tasks dominated by single-thread execution. Cinebench R23 single-core at 3758 versus 1825 is the standout, and Cinebench R15 single-core at 378 versus 262 reinforces this. PassMark single-thread at 4049 versus 4003 is a narrow win, but it still favors the i5. PassMark physics at 1782 versus 1730 shows a 3% edge. The i5 also wins Cinebench R23 multicore at 26620 versus 18628, which suggests certain modern multi-threaded workloads that scale with Raptor Lake's design will run faster on this chip.

The Intel Core i9-12900 wins in most PassMark multi-threaded scenarios. Integer math at 127512 versus 111044 (12.9% ahead) is the largest PassMark win. Floating point math at 91514 versus 81892 (10.5% ahead), find prime numbers at 121 versus 109 (9.9% ahead), extended instructions at 24777 versus 23045 (7% ahead), multithread at 33608 versus 31725 (5.6% ahead), data compression at 407899 versus 383972 (5.9% ahead), random string sorting at 44070 versus 42040 (4.6% ahead), and data encryption at 23203 versus 22182 (4.4% ahead) all favor the i9. Cinebench R15 multicore at 3299 versus 2683 (18.7% ahead) and Cinebench R20 multicore at 11994 versus 11180 (6.8% ahead) also go to the i9.

The i9 wins 11 of 17 head-to-head comparisons, but the i5 wins the two most lopsided contests. Users who run legacy multi-threaded benchmarks or PassMark-style integer and floating point workloads will see better numbers on the i9. Users who run Cinebench R23 or single-threaded applications will see better numbers on the i5. The i5's higher average benchmark score (44240 vs 42906) suggests that for the overall mix of workloads in the database, the newer architecture compensates for its core deficit.