Intel Core i9-13900KF vs Intel Core i9-14900F Comparison

The Intel Core i9-13900KF and Intel Core i9-14900F are both 24-core, 32-thread desktop processors from Intel's Raptor Lake family. The database records 19 head-to-head benchmark comparisons between them, and the 13900KF wins all 19. This analysis walks through the measured performance differences, specification changes, and architecture notes.

Head-to-Head Benchmarks

The 13900KF leads in every recorded test, but the size of that lead varies widely by workload. The largest margin appears in Passmark extended instructions, where the 13900KF scores 46,084 against 31,084, a 48.3% advantage. Data compression shows a 39.3% lead (786,218 vs 564,207), and random string sorting is 35.7% ahead (86,510 vs 63,728). Data encryption is 33.3% ahead (46,186 vs 34,644), and floating point math is 26.2% ahead (150,869 vs 119,550). Multi-threaded Passmark is 24.1% ahead (57,729 vs 46,532), while Cinebench R23 multicore is 23.5% ahead (48,855 vs 39,551). The same 23.5% delta appears across Cinebench R15 and R20 multicore and single-core tests, indicating a consistent advantage in rendering and CPU-bound tasks.

The narrowest margins are in single-threaded and physics workloads. Passmark single-thread shows only a 1.7% lead (4,584 vs 4,506), and Passmark physics is 2% ahead (2,956 vs 2,899). Geekbench single-core is 3.8% ahead (2,668 vs 2,570), and Passmark find prime numbers is 7.7% ahead (225 vs 209). Geekbench multicore sits in the middle at 12.4% (22,486 vs 20,008). These results indicate that the 13900KF delivers a substantial performance advantage in most workloads, with the largest gains in instruction-heavy and data-processing tasks, while the gap narrows in lightly threaded or physics-based tests.

The Verdict

Based on the recorded benchmarks, the Intel Core i9-13900KF is the faster processor in every measured test. It wins all 19 head-to-head comparisons, with deltas ranging from 1.7% to 48.3%. The 14900F does not win a single benchmark. For users who prioritize raw performance, the 13900KF is the clear choice. The 14900F offers a lower TDP (65W vs 125W) and a lower launch MSRP ($524 vs $564), but those are not performance metrics. The 13900KF also has an unlocked multiplier, while the 14900F is locked. The data does not show any workload where the 14900F outperforms the 13900KF.

FAQ

Q: Which CPU has a higher boost clock?

A: Both have a boost clock of 5.80 GHz.

Q: How many cores and threads do they have?

A: Both have 24 cores and 32 threads.

Q: What is the TDP difference?

A: The 13900KF has a TDP of 125W, while the 14900F has a TDP of 65W.

Q: Do they have the same cache?

A: Yes, both have 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3.

Q: Which CPU is unlocked for overclocking?

A: The 13900KF has an unlocked multiplier, while the 14900F is locked.

Q: What are the PCIe lane counts?

A: The 13900KF has 20 PCIe Gen 5 lanes (CPU only), while the 14900F has 16.

Specification Differences

The two processors differ in the following specification fields: base clock (3.00 GHz vs 2.00 GHz), TDP (125W vs 65W), PCIe lanes (20 vs 16), integrated graphics (not listed vs N/A), release date (2022-09-26 vs 2024-01-07), launch MSRP ($564 vs $524), multiplier unlocked (true vs false), part number (SRMBJ vs SRN3W), generation (Core i9 (Raptor Lake) vs Core i9 (Raptor Lake Refresh)), and codename (Raptor Lake-S vs Raptor Lake-R). All other specification fields, including cores, threads, boost clock, cache, memory support, socket, process node, foundry, and die size, are identical.

Architecture Differences

Both processors are built on Intel's 10nm process and have a die size of 257 mm². They share the same cache hierarchy: 80 KB L1 per core, 2 MB L2 per core, and 36 MB shared L3. The architecture is Raptor Lake for both, but the 13900KF uses the Raptor Lake-S codename, while the 14900F uses Raptor Lake-R, indicating a refresh. The 14900F has a lower base clock and TDP, and is locked, while the 13900KF is unlocked. The 14900F also has fewer PCIe lanes (16 vs 20). The 14900F lists integrated graphics as N/A, while the 13900KF does not list any. Both support DDR4 and DDR5 memory in dual-channel mode, and both support ECC memory.

Where Each One Wins

Based on the head-to-head data, the 13900KF wins in every benchmark category. There is no recorded test where the 14900F takes the lead. The 13900KF's largest advantages are in extended instructions (48.3%), data compression (39.3%), and random string sorting (35.7%). Its smallest leads are in single-threaded Passmark (1.7%) and physics (2%). The 14900F does not win any of the 19 comparisons. For workloads that stress multi-threaded performance, the 13900KF is ahead by 23.5% in Cinebench R23 multicore and 24.1% in Passmark multithread. For single-threaded tasks, the lead is smaller but still present: 23.5% in Cinebench R23 single-core and 1.7% in Passmark single-thread. The 14900F has a lower TDP and a lower launch MSRP, but the benchmark data shows no performance win.