AMD Ryzen 9 9900X3D vs Intel Core i9-14900 Comparison

Head-to-Head Benchmarks

The benchmark data delivers a decisive outcome: the AMD Ryzen 9 9900X3D wins 17 of the 19 recorded head-to-head tests, while the Intel Core i9-14900 manages two narrow victories. This is not a close contest by the numbers, and the margins in several workloads are substantial enough to define the entire comparison.

The largest single victory for the AMD processor comes in Cinebench R23 single-core, where it scores 6739 against Intel's 2212, a 67.2% advantage. That delta is enormous for a single-threaded test and signals a fundamental difference in per-core efficiency. The Cinebench R15 single-core test tells a similar story: AMD scores 679 versus 315, a 53.6% lead. Even in Geekbench single-core, where the gap is smaller, AMD still leads by 18.2% with 3041 against 2488.

Multi-threaded rendering follows the same pattern. In Cinebench R23 multi-core, the Ryzen 9 9900X3D posts 47737, which is 34.9% ahead of the Core i9-14900's 31070. The Cinebench R20 multi-core result shows a 20.6% lead for AMD (20049 versus 15910), and Cinebench R15 multi-core is nearly even, with AMD ahead by just 0.4% (4811 versus 4793). That near-tie in the older R15 test is the closest multi-core result in the entire comparison, but every subsequent rendering generation widens AMD's margin.

The Ryzen 9 9900X3D also dominates in the PassMark suite. The extended instructions test shows a 44.7% lead (55426 versus 30624), and the find prime numbers test shows a 65.4% lead (544 versus 188). PassMark physics favors AMD by 53.4% (5340 versus 2486), and data compression favors AMD by 19.7% (685074 versus 550271). Even integer math, which is often a strong suit for high-core-count Intel parts, goes to AMD by 2.6% (179727 versus 175010). Random string sorting goes to AMD by 15% (71864 versus 61060).

The Intel Core i9-14900 does claim two wins, but both are marginal. PassMark data encryption goes to Intel by 0.8% (33540 versus 33282), and PassMark floating point math goes to Intel by 0.5% (120262 versus 119622). These are the only tests where the Intel chip leads, and neither margin exceeds 1%. In the context of the overall comparison, these two results read as statistical noise rather than a functional advantage.

The average benchmark scores in the database place the Intel Core i9-14900 at 58115, which is actually higher than the Ryzen 9 9900X3D's 54762. That discrepancy is worth noting: the Intel part's average is boosted by its PassMark data compression score of 550271, which is a very large absolute number, and by its percentile ranking of 92 versus AMD's 91. However, the head-to-head record is unambiguous. The nearest rivals for the Intel part include the AMD Ryzen 7 9850X3D at 58386 (-0.5%) and the Intel Xeon w5-2545 at 58504 (-0.7%), while the nearest rivals for the AMD part include the Intel Core Ultra 5 245KF at 55093 (-0.6%) and the Intel Core i7-14700F at 53620 (2.1%). The Intel Core i9-14900 sits in a slightly higher overall performance tier by average score, but the Ryzen 9 9900X3D wins nearly every direct comparison.

FAQ

Q: Which processor wins Cinebench R23 multi-core?

A: The AMD Ryzen 9 9900X3D wins with a score of 47737, which is 34.9% ahead of the Intel Core i9-14900's 31070.

Q: How large is the single-core gap between the two?

A: In Cinebench R23 single-core, the AMD Ryzen 9 9900X3D scores 6739 versus 2212 for the Intel Core i9-14900, a 67.2% lead. In Geekbench single-core, AMD leads by 18.2% with 3041 against 2488.

Q: Are there any tests where the Intel Core i9-14900 wins?

A: Yes, two: PassMark data encryption (33540 versus 33282, a 0.8% lead) and PassMark floating point math (120262 versus 119622, a 0.5% lead). Both margins are under 1%.

Q: Does the Intel Core i9-14900 have a higher average benchmark score?

A: Yes, the Intel Core i9-14900 has an average benchmark score of 58115, while the AMD Ryzen 9 9900X3D has 54762. The Intel part also ranks at the 92nd percentile versus the AMD part's 91st.

Q: How do the two compare in PassMark physics?

A: The AMD Ryzen 9 9900X3D leads by 53.4% with a score of 5340 versus the Intel Core i9-14900's 2486.

Q: What is the closest head-to-head result?

A: Cinebench R15 multi-core is the closest, with the AMD Ryzen 9 9900X3D scoring 4811 and the Intel Core i9-14900 scoring 4793, a difference of only 0.4%.

Where Each One Wins

The AMD Ryzen 9 9900X3D is the clear choice for rendering workloads. Its Cinebench R23 multi-core lead of 34.9% and Cinebench R20 multi-core lead of 20.6% make it the stronger processor for 3D rendering, video encoding, and any task that scales across threads. The single-core results reinforce this: a 67.2% lead in Cinebench R23 single-core and an 18.2% lead in Geekbench single-core mean that lightly threaded applications, such as older games or legacy productivity tools, will also favor the AMD part.

The PassMark suite shows AMD winning in physics simulation (53.4% lead), extended instructions (44.7% lead), prime number finding (65.4% lead), data compression (19.7% lead), integer math (2.6% lead), and random string sorting (15% lead). These results point to broad superiority in scientific computing, financial modeling, data processing, and any workload that relies on SIMD or AVX-style instructions.

The Intel Core i9-14900 has a narrower case. Its wins in data encryption and floating point math are both under 1%, so there is no workload category where the Intel chip demonstrates a meaningful advantage. The Intel part does have a higher average benchmark score (58115 versus 54762) and a higher percentile ranking (92 versus 91), which suggests that its overall profile across all recorded tests is competitive. However, the direct head-to-head results do not support a use case where the Intel part is the better pick, except perhaps for users who specifically prioritize the two tests where it wins by fractions of a percent.

Specification Differences

The two processors differ across nearly every major specification field. The Intel Core i9-14900 has 24 cores and 32 threads, while the AMD Ryzen 9 9900X3D has 12 cores and 24 threads. The Intel part has a base clock of 2.00 GHz and a boost clock of 5.80 GHz, while the AMD part has a base clock of 4.40 GHz and a boost clock of 5.50 GHz. The Intel chip has a TDP of 65 watts, while the AMD chip has a TDP of 120 watts.

The Intel Core i9-14900 uses the Intel Socket 1700 platform, while the AMD Ryzen 9 9900X3D uses the AMD Socket AM5. The Intel part supports both DDR4 and DDR5 memory, while the AMD part supports only DDR5. Both use dual-channel memory buses, but the AMD part has a recorded memory bandwidth of 89.6 GB/s, while the Intel part has no bandwidth figure in the database. Both support ECC memory. The Intel part provides PCIe Gen 5 with 16 lanes (CPU only), while the AMD part provides PCIe Gen 5 with 24 lanes (CPU only). The Intel part has UHD Graphics 770 integrated, while the AMD part has Radeon Graphics integrated. The Intel multiplier is locked, while the AMD multiplier is unlocked.

The Intel Core i9-14900 launched with an MSRP of $549, and the AMD Ryzen 9 9900X3D launched with an MSRP of $599.

Architecture Differences

The architectural split is stark. The Intel Core i9-14900 is built on Raptor Lake, specifically the Raptor Lake-R refresh, using a 10 nm process from Intel's own foundry. The die size is 257 mm². The AMD Ryzen 9 9900X3D is built on Zen 5, codenamed Granite Ridge, using a 4 nm process from TSMC, with a transistor count of 16,630 million and a die size of 2x 70.6 mm², indicating a chiplet design.

Cache configurations differ meaningfully. Both parts have 80 KB of L1 cache per core, but the Intel part has 2 MB of L2 cache per core while the AMD part has 1 MB per core. The L3 cache is the major differentiator: the Intel part has 36 MB shared, while the AMD part has 128 MB. That 128 MB L3 cache is the likely driver behind the AMD part's massive single-core and multi-core leads in Cinebench, particularly the 67.2% single-core advantage, since larger caches reduce memory latency for repeated data access.

The Intel part relies on a monolithic die with 24 cores (a hybrid design, though the database does not specify the P-core/E-core split) and a high boost clock of 5.80 GHz. The AMD part uses a chiplet design with 12 cores, a lower boost clock of 5.50 GHz, but a much higher base clock of 4.40 GHz versus Intel's 2.00 GHz. The AMD part also has an unlocked multiplier, which is notable for overclocking, while the Intel part is locked.

The Verdict

The data points to one conclusion: the AMD Ryzen 9 9900X3D is the stronger processor in almost every measurable way. It wins 17 of 19 head-to-head tests, including the most demanding rendering benchmarks and the majority of the PassMark suite. The single-core margin of 67.2% in Cinebench R23 is the defining result of this comparison, as it indicates a fundamental per-core performance advantage that no amount of Intel core count can offset.

Buyers who prioritize rendering, scientific computing, data compression, or any workload in the PassMark suite should choose the AMD Ryzen 9 9900X3D. The 34.9% lead in Cinebench R23 multi-core and the 53.4% lead in physics make it the obvious pick for CPU-bound production work. The unlocked multiplier is a bonus for overclockers, and the 128 MB L3 cache provides a structural advantage in cache-sensitive workloads.

The Intel Core i9-14900 retains a narrow niche. Its average benchmark score of 58115 is higher than the AMD part's 54762, and its 92nd percentile ranking edges out AMD's 91st. For users who weight the entire benchmark database equally rather than focusing on head-to-head results, the Intel part is not a poor performer. It also wins the two encryption and floating point tests, though by less than 1% in each case. The lower TDP of 65 watts versus 120 watts and support for both DDR4 and DDR5 memory make it a more flexible platform choice for existing builds. The launch MSRP of $549 is lower than AMD's $599, but the performance gap in the head-to-head tests is far larger than that price difference would suggest.

The verdict is straightforward: for raw performance, the AMD Ryzen 9 9900X3D wins decisively. For platform flexibility and a slightly higher overall average score, the Intel Core i9-14900 remains a viable alternative, but the recorded benchmark data does not place it ahead in any significant workload category.