AMD Ryzen 9 5900XT vs Intel Core i9-13980HX Comparison

The Intel Core i9-13980HX and AMD Ryzen 9 5900XT represent two very different philosophies for high-end computing, yet benchmark results place them in a statistical tie. Intel’s mobile flagship averages a benchmark score of 50,944, while AMD’s desktop part averages 50,738, a negligible 0.4% difference. Both sit within the 93rd to 94th percentile of all CPUs, but their performance profiles could not be more distinct. The data shows a clear split: Intel dominates single-threaded and lightly-threaded workloads, while AMD counters with specific multi-threaded and data-processing tasks. This analysis breaks down where each chip wins, what architectural choices drive those results, and how the head-to-head benchmarks define their respective identities.

Where Each One Wins

The Intel Core i9-13980HX is the clear winner for responsiveness and lightly-threaded work. It takes 17 of the 23 head-to-head benchmark comparisons, with its largest advantages coming in tests that rely on high clock speeds and strong per-core performance. The 3DMark single-thread test shows Intel ahead by 21.5%, and the low-thread-count 3DMark tests (2, 4, and 8 threads) all favor Intel by margins between 10.3% and 19.1%. This makes the 13980HX the better choice for everyday application responsiveness, legacy software that uses few cores, and gaming scenarios where frame rates depend on single-core throughput rather than raw core counts.

The AMD Ryzen 9 5900XT wins the remaining 6 benchmarks, and its victories are concentrated in specific areas. It leads in 3DMark 16-thread performance by 11.1%, a test that leverages its full core complement more efficiently in certain scenarios. More importantly, AMD takes the PassMark integer math, data encryption, data compression, extended instructions, and prime number tests. These wins indicate a strength in encryption workloads, file compression, and general integer-heavy data processing. The 5900XT’s 16-core, 32-thread configuration with a large 64 MB L3 cache appears to give it an edge in these specific throughput-oriented tasks, even though its average benchmark score is slightly lower.

Architecture Differences

The two processors are built on fundamentally different platforms. Intel uses Raptor Lake architecture on a 10 nm process node, fabricated by Intel itself, with a die size of 257 mm². AMD’s Ryzen 9 5900XT uses Zen 3 architecture on a 7 nm process node from TSMC, consisting of two chiplets at 74 mm² each, with a total of 8,300 million transistors. These process and design choices directly influence their power and performance characteristics.

Core configurations differ sharply. Intel packs 24 cores (8 performance and 16 efficiency cores) and 32 threads, while AMD offers 16 full-size Zen 3 cores and 32 threads. Intel’s hybrid design allows it to reach a boost clock of 5.60 GHz, compared to AMD’s 4.80 GHz maximum. Base clocks also favor AMD at 3.30 GHz versus Intel’s 2.20 GHz, but Intel’s higher boost clock is what drives its single-thread dominance. Cache hierarchies are equally distinct: Intel provides 2 MB of L2 per core and 36 MB of shared L3, while AMD provides 512 KB of L2 per core but a much larger 64 MB L3 cache, which helps in certain data-heavy workloads.

Platform support is another differentiator. Intel is a mobile part on the BGA 1964 socket with a 55 W TDP, while AMD is a desktop part on Socket AM4 with a 105 W TDP. Intel supports both DDR4 and DDR5 memory, while AMD is limited to DDR4, though the 5900XT’s memory bandwidth is listed at 51.2 GB/s. Intel includes integrated graphics (UHD Graphics 770), while AMD has none. Intel also supports PCIe Gen 5 with 20 lanes, whereas AMD supports PCIe Gen 4 with 20 lanes. Both support ECC memory and have unlocked multipliers, but they serve different market segments: mobile for Intel, desktop for AMD.

Head-to-Head Benchmarks

The most striking single result is in the PassMark physics test, where Intel wins by 48.4% (2,575 vs 1,735). This is the largest margin in the entire comparison and suggests Intel’s architecture handles physics simulation workloads dramatically better. Intel also shows a strong 23.1% advantage in PassMark single-thread (4,252 vs 3,455), reinforcing its per-core superiority. In 3DMark single-thread, Intel leads by 21.5% (1,145 vs 942), and in floating-point math, Intel wins by 19.4% (118,645 vs 99,357). These results paint a picture of a chip that excels at tasks requiring high clock speeds and efficient instruction execution.

The Cinebench suite shows consistent but smaller Intel wins. Across R15, R20, and R23, Intel leads by roughly 5.5% in both single-core and multi-core tests. For example, Cinebench R23 multi-core shows Intel at 39,433 versus AMD’s 37,373, and single-core shows 5,567 versus 5,276. This consistency indicates that Intel’s overall compute throughput is slightly higher, but not overwhelmingly so.

AMD’s wins are more specialized. The 3DMark 16-thread test is AMD’s biggest win at 11.1% (10,624 vs 9,440), which is surprising given Intel’s wins in the 2, 4, and 8-thread versions of the same test. This suggests AMD’s architecture scales better when all 16 cores are engaged in this particular workload. In PassMark extended instructions, AMD wins by 13.4% (39,125 vs 33,868), and in prime number finding, it wins by 8.6% (209 vs 191). Data encryption and integer math also favor AMD, with margins of 6.6% and 6.2%, respectively. These are meaningful advantages for users who prioritize cryptographic operations or integer-heavy computation.

Specification Differences

The specification sheets highlight the fundamental divergence between these two processors. Intel offers 24 cores and 32 threads, while AMD offers 16 cores and 32 threads. Intel’s base clock is 2.20 GHz versus AMD’s 3.30 GHz, but Intel’s boost clock is 5.60 GHz versus AMD’s 4.80 GHz. TDP differs significantly: 55 W for Intel versus 105 W for AMD, reflecting the mobile versus desktop design goals.

Cache configurations are notably different. Intel provides 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of L3. AMD provides 64 KB of L1 per core, 512 KB of L2 per core, and 64 MB of L3. This means AMD has nearly twice the total L3 cache, which benefits certain data-heavy workloads, while Intel’s larger per-core L2 cache helps with latency-sensitive tasks.

Memory support is a key differentiator. Intel supports both DDR4 and DDR5, while AMD supports only DDR4. Both use a dual-channel memory bus. Intel’s integrated graphics, UHD Graphics 770, is absent on the AMD part. PCIe support favors Intel with Gen 5, while AMD is limited to Gen 4; both provide 20 lanes. The market segments are explicitly different: Intel is a mobile processor on BGA 1964, while AMD is a desktop processor on Socket AM4. Finally, the release dates are separated by about 19 months, with Intel launching in January 2023 and AMD in July 2024.

FAQ

Q: Which processor is faster in single-threaded tasks?

A: The Intel Core i9-13980HX is significantly faster. It wins the 3DMark single-thread test by 21.5% (1,145 vs 942) and the PassMark single-thread test by 23.1% (4,252 vs 3,455). Its 5.60 GHz boost clock gives it a clear edge over AMD’s 4.80 GHz.

Q: Where does the AMD Ryzen 9 5900XT beat the Intel chip?

A: AMD wins 6 of 23 benchmarks, including 3DMark 16-thread by 11.1%, PassMark extended instructions by 13.4%, data encryption by 6.6%, integer math by 6.2%, data compression by 1.7%, and prime number finding by 8.6%. These are all multi-threaded or data-processing workloads.

Q: What is the biggest performance gap between the two?

A: The largest margin is in the PassMark physics test, where Intel wins by 48.4% (2,575 vs 1,735). This is followed by Intel’s 23.1% lead in PassMark single-thread and 21.5% lead in 3DMark single-thread.

Q: How do their core counts and cache sizes compare?

A: Intel has 24 cores and 32 threads with 36 MB of L3 cache, while AMD has 16 cores and 32 threads with 64 MB of L3 cache. Intel provides 2 MB of L2 per core, while AMD provides 512 KB per core.

Q: Which processor supports faster memory and PCIe?

A: Intel supports both DDR4 and DDR5 memory and PCIe Gen 5, while AMD supports only DDR4 and PCIe Gen 4. Both use dual-channel memory and provide 20 PCIe lanes.

Q: Are these processors comparable in overall performance?

A: Yes, their average benchmark scores are nearly identical. Intel scores 50,944 and AMD scores 50,738, a difference of only 0.4%. Intel ranks in the 94th percentile and AMD in the 93rd percentile of all CPUs.