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

Where Each One Wins

The benchmark data delivers an unambiguous verdict: the AMD Ryzen 9 9900X3D wins every single head-to-head comparison in this dataset, taking all 19 recorded tests. There is no workload category where the Intel Core i9-14900HX comes out ahead. The margin varies dramatically by test type, however, which reveals the AMD part's strengths are not uniform.

The Ryzen 9 9900X3D's largest advantages appear in single-core and lightly threaded workloads. In Cinebench R23 single-core, it scores 6739 against Intel's 2181.5, a 67.6% lead. The Cinebench R15 single-core test shows an even starker 54.3% deficit for Intel (679 vs 310.5). These aren't small wins; they are category-defining gaps that suggest the Zen 5 architecture has a substantial per-thread performance advantage over Raptor Lake.

Multi-threaded performance also favors AMD, though by smaller margins. The Cinebench R23 multi-core score shows AMD at 47737 versus Intel's 30055, a 37% difference. Geekbench multi-core shows a 23.5% lead (22884 vs 17511). The pattern is consistent: AMD wins everywhere, but the single-thread advantage is proportionally larger than the multi-thread advantage when comparing across the full test suite.

The closest contests are in data encryption (AMD wins by just 2%, 33282 vs 32619) and floating-point math (AMD wins by 6.1%, 119622 vs 112273). These are workloads where the Intel part's 24 cores and 32 threads help close the gap against the Ryzen's 12 cores and 24 threads, despite the AMD chip's architectural efficiency.

Architecture Differences

The two processors represent fundamentally different design philosophies. The Intel Core i9-14900HX is built on Raptor Lake architecture, manufactured on Intel's 10 nm process, with a die size of 257 mm². The AMD Ryzen 9 9900X3D uses Zen 5 architecture (Granite Ridge codename), built on TSMC's 4 nm process, with a dual-die configuration totaling 2x 70.6 mm² and 16,630 million transistors.

The core counts tell the story of divergent strategies. Intel fields 24 cores and 32 threads, while AMD counters with 12 cores and 24 threads. Despite having half the cores, AMD's chip wins all multicore benchmarks, which points to a massive per-core efficiency advantage from the Zen 5 architecture and the 4 nm process node.

Cache configurations differ substantially. The Intel part has 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. AMD's design also uses 80 KB of L1 per core but pairs it with 1 MB of L2 per core and a much larger 128 MB of L3 cache. This 128 MB L3 is a defining feature for the 3D V-Cache lineup, and the benchmark results suggest it contributes significantly to the single-thread and lightly threaded wins.

The platform targets are completely different. Intel's i9-14900HX is a mobile processor on the Intel BGA 1964 socket with a 55 W TDP, supporting both DDR4 and DDR5 memory. AMD's Ryzen 9 9900X3D is a desktop part on the AMD Socket AM5 with a 120 W TDP, supporting only DDR5 with a specified memory bandwidth of 89.6 GB/s. The Intel part has 16 PCIe Gen 5 lanes from the CPU, while AMD provides 24 Gen 5 lanes.

Integrated graphics differ: Intel includes UHD Graphics 770, while AMD pairs the chip with Radeon Graphics. Both support ECC memory. Both have unlocked multipliers, and both are currently in active production. The release dates are close — Intel launched on 2024-01-07 and AMD on 2025-01-05 — but the architectural gap between them is vast.

Head-to-Head Benchmarks

The data shows a clean sweep, but the magnitude of each win varies in ways that matter for specific use cases. Starting with the biggest margins, the Cinebench R23 single-core test delivers AMD's largest victory at 67.6% (6739 vs 2181.5). The Cinebench R15 single-core test shows a 54.3% gap (679 vs 310.5), and PassMark's find prime numbers test shows a 64.5% AMD advantage (544 vs 193). These are workloads that emphasize raw per-thread throughput and cache efficiency.

In multi-core Cinebench tests, the pattern holds but with smaller deltas. The R23 multi-core result is 47737 for AMD versus 30055 for Intel, a 37% lead. R20 multi-core shows a 22.1% gap (20049 vs 15616), and R15 multi-core narrows to just 4.9% (4811 vs 4574). The R15 multi-core result is the closest of any test, suggesting that at lower thread counts and older instruction mixes, Intel's higher core count can nearly compensate for AMD's per-core advantage.

PassMark's suite reveals where the chips are closest and farthest apart. Data compression shows AMD ahead by 21.2% (685074 vs 539965). Integer math favors AMD by 12.4% (179727 vs 157375). Random string sorting shows a 15.3% AMD lead (71864 vs 60861). The extended instructions test is a 43.6% blowout in AMD's favor (55426 vs 31247), and physics simulation shows AMD at 5340 versus Intel's 2638, a 50.6% gap.

The most competitive results are data encryption (AMD by 2%, 33282 vs 32619) and floating-point math (AMD by 6.1%, 119622 vs 112273). Even in these close calls, Intel cannot secure a single win. The PassMark multithread score shows AMD at 56154 versus Intel's 43778, a 22% lead. Single-thread PassMark shows a 10.1% AMD edge (4646 vs 4175). Geekbench multi-core and single-core both land around 23.4-23.5% in AMD's favor (22884 vs 17511, and 3041 vs 2330, respectively).

Specification Differences

| Field | Intel Core i9-14900HX | AMD Ryzen 9 9900X3D |

|-------|----------------------|---------------------|

| Cores | 24 | 12 |

| Threads | 32 | 24 |

| Base Clock | 2.20 GHz | 4.40 GHz |

| Boost Clock | 5.80 GHz | 5.50 GHz |

| TDP | 55 W | 120 W |

| Socket | Intel BGA 1964 | AMD Socket AM5 |

| Architecture | Raptor Lake | Zen 5 |

| Process Node | 10 nm | 4 nm |

| Foundry | Intel | TSMC |

| Die Size | 257 mm² | 2x 70.6 mm² |

| L2 Cache | 2 MB (per core) | 1 MB (per core) |

| L3 Cache | 36 MB (shared) | 128 MB |

| Memory Support | DDR4, DDR5 | DDR5 |

| Memory Bandwidth | Not specified | 89.6 GB/s |

| PCIe Lanes | Gen 5, 16 Lanes | Gen 5, 24 Lanes |

| Integrated Graphics | UHD Graphics 770 | Radeon Graphics |

| Market Segment | Mobile | Desktop |

| Release Date | 2024-01-07 | 2025-01-05 |

| Launch MSRP | Not specified | $599 |

Both processors have unlocked multipliers and support ECC memory. The Intel part uses a dual-channel memory bus, as does the AMD part. The transistor count is only specified for AMD at 16,630 million.

FAQ

Q: Does the Intel Core i9-14900HX win any benchmark in this dataset?

A: No. The data shows AMD Ryzen 9 9900X3D winning all 19 head-to-head tests, with Intel's best showing being a 2% deficit in data encryption (32619 vs 33282).

Q: How much faster is the Ryzen 9 9900X3D in single-core performance?

A: The single-core advantage ranges from 10.1% in PassMark single-thread (4646 vs 4175) to 67.6% in Cinebench R23 single-core (6739 vs 2181.5). The Cinebench R15 single-core test shows a 54.3% gap (679 vs 310.5).

Q: Which processor has more cores and threads?

A: The Intel Core i9-14900HX has 24 cores and 32 threads, while the AMD Ryzen 9 9900X3D has 12 cores and 24 threads. Despite Intel's core advantage, AMD wins all multi-threaded benchmarks.

Q: What is the cache difference between the two?

A: The Intel part has 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3. The AMD part has 80 KB of L1 per core, 1 MB of L2 per core, and 128 MB of L3 cache.

Q: Are these processors for the same market segment?

A: No. The Intel i9-14900HX is a mobile processor with a 55 W TDP on the Intel BGA 1964 socket. The AMD Ryzen 9 9900X3D is a desktop processor with a 120 W TDP on the AMD Socket AM5.

Q: What is the closest benchmark result between the two?

A: The closest result is PassMark data encryption, where AMD wins by just 2% (33282 vs 32619). The Cinebench R15 multi-core test is the next closest at 4.9% (4811 vs 4574).

The Verdict

The data leaves no room for ambiguity: the AMD Ryzen 9 9900X3D is the superior processor in every measured dimension. If you are selecting purely on benchmark performance, the choice is clear. The Intel Core i9-14900HX does not win a single test in this comparison, and its deficits range from marginal (2% in encryption) to catastrophic (67.6% in Cinebench R23 single-core).

For users who prioritize single-threaded responsiveness, the Ryzen 9 9900X3D is the only rational pick. The 54.3% and 67.6% leads in Cinebench single-core tests indicate that day-to-day application responsiveness, which often depends on single-thread speed, will be dramatically better on the AMD platform. The 128 MB L3 cache likely drives much of this advantage, particularly in workloads that fit within that large cache footprint.

For multi-threaded rendering and compute workloads, AMD still wins, but the margin narrows. The 37% lead in Cinebench R23 multi-core (47737 vs 30055) is substantial, but the R15 multi-core result at just 4.9% (4811 vs 4574) suggests that in older or less optimized workloads, the Intel part's 24 cores can nearly match the AMD chip. Still, "nearly match" is not "win," and the AMD part's consistency across all tests is its defining characteristic.

The platform differences matter for purchasing decisions. The Intel i9-14900HX is a mobile part, meaning it belongs in laptops where the 55 W TDP makes sense. The AMD Ryzen 9 9900X3D is a desktop part with a 120 W TDP, so it requires a desktop platform with the AM5 socket. These are not competing in the same physical form factor; the comparison is about raw capability, not direct replacement.

The AMD part's launch MSRP is $599. The Intel part has no stated launch MSRP in the data. Both processors sit at the 91st percentile among all CPUs, indicating they are both high-end parts, but the AMD chip achieves that percentile with half the cores and a much more efficient architecture.

For anyone choosing between these two on performance data alone, the Ryzen 9 9900X3D is the definitive winner. The only case for the Intel part would be a scenario where the mobile form factor and lower TDP are absolute requirements, or where DDR4 memory support is needed. But in a pure performance comparison, AMD's Zen 5 architecture, 4 nm process, and massive 128 MB L3 cache produce a processor that outperforms the Intel Raptor Lake part in every benchmark recorded here.