AMD Ryzen 7 9850X3D vs Intel Core i9-13900 Comparison

Head-to-Head Benchmarks

The benchmark data presents a clear split between the Intel Core i9-13900 and the AMD Ryzen 7 9850X3D, with the Intel part winning 10 of the 15 recorded comparisons. The most dramatic margin appears in Cinebench R23 single-core, where the i9-13900 scores 5355 against 2228 for the Ryzen, a 140.4% advantage. This is the largest delta in the entire head-to-head set, and it is followed closely by the Cinebench R15 single-core result, where Intel leads 539 to 343, a 57.1% difference. These are not marginal wins; the Intel processor dominates in the single-threaded Cinebench workloads by a wide margin.

The multi-core Cinebench results follow a similar pattern. In Cinebench R23 multi-core, the i9-13900 posts 37931 versus 22807, a 66.3% lead. The Cinebench R15 multi-core test is closer, with Intel at 3823 and AMD at 3551, a 7.7% edge. The Intel processor also wins the PassMark multithread test, scoring 45680 against 41318, a 10.6% advantage. Data compression favors Intel at 577285 versus 474501, a 21.7% lead. Data encryption shows an even larger gap: 35242 versus 22856, a 54.2% win for Intel. Floating point math goes to Intel at 120492 versus 81998, a 46.9% margin. Integer math is similarly one-sided, with Intel at 176107 versus 123140, a 43% lead. Random string sorting completes the Intel sweep in the remaining workload, 64396 versus 49764, a 29.4% advantage.

The AMD Ryzen 7 9850X3D claims five wins, and they are concentrated in specific instruction and physics workloads. The largest AMD victory is in PassMark find prime numbers, where it scores 435 against 186, a 57.2% lead in favor of AMD. PassMark physics shows a 4171 to 2484 result, a 40.4% advantage for the Ryzen. Extended instructions go to AMD at 39272 versus 32760, a 16.6% margin. Finally, the single-thread PassMark results, recorded under both the single_thread and singlethread test names, show AMD at 4704 versus 4309, an 8.4% advantage. These wins indicate that the AMD processor excels in specific scalar and physics-oriented tasks, even though it trails in most aggregate multi-threaded and memory-heavy benchmarks.

Looking at the overall average scores, the Intel i9-13900 records an average benchmark score of 60676, while the Ryzen 7 9850X3D sits at 58386. Both processors sit at the 92nd percentile against all CPUs in the database. The nearest rivals for the Intel part include the Intel Xeon Gold 6338T at 60572 (0.2% delta), the AMD Ryzen 7 8745HX at 60104 (1%), the AMD Ryzen 9 7945HX at 60099 (1%), and the Intel Core i9-14900F at 60008 (1.1%). The Ryzen 7 9850X3D sits near the Intel Xeon w5-2545 at 58504 (-0.2%), the Intel Xeon Platinum 8260M at 58323 (0.1%), the Intel Core i9-14900 at 58115 (0.5%), and the AMD Ryzen AI 9 HX 470 at 58826 (-0.7%). These rival positions confirm that the Intel part sits at the top of its immediate performance cluster, while the AMD part is surrounded by a mix of server and desktop chips.

Architecture Differences

The two processors come from fundamentally different design approaches. The Intel Core i9-13900 uses Raptor Lake architecture on a 10 nm process from Intel, with a die size of 257 mm². The AMD Ryzen 7 9850X3D uses Zen 5 architecture on a 4 nm process from TSMC, with a die size of 70.6 mm² and 8,315 million transistors. The core counts differ sharply: Intel provides 24 cores and 32 threads, while AMD provides 8 cores and 16 threads. Base clocks also diverge, with Intel at 2000 MHz and AMD at 4700 MHz, though both share the same 5.60 GHz boost clock.

Cache configurations are central to the comparison. The Intel part has 80 KB of L1 per core, 2 MB of L2 per core, and 36 MB of shared L3 cache. The AMD part matches the 80 KB per-core L1 but uses 1 MB per-core L2 and a much larger 96 MB shared L3 cache. This difference in L3 capacity is substantial and likely explains some of the AMD wins in physics and prime number workloads, which can be sensitive to cache residency. Memory support differs as well, with Intel supporting both DDR4 and DDR5 memory, while AMD supports only DDR5. Memory bandwidth is listed for AMD at 89.6 GB/s, while no comparable figure is recorded for Intel.

Platform and feature differences are also notable. Intel uses Socket 1700, while AMD uses Socket AM5. Intel provides PCIe Gen 5 with 16 lanes (CPU only), while AMD provides PCIe Gen 5 with 24 lanes (CPU only). Both support ECC memory. The Intel part includes integrated graphics in the form of UHD Graphics 770, while AMD includes Radeon Graphics. The Intel processor has a locked multiplier, while the AMD processor has an unlocked multiplier. Thermal design power is listed at 65 W for Intel and 120 W for AMD. The Intel part launched on 2023-01-03, while the AMD part launched later on 2026-01-28. The launch MSRP is $549 for Intel and $499 for AMD.

Where Each One Wins

The Intel Core i9-13900 is the clear choice for multi-threaded rendering and encoding workloads. The Cinebench R23 multi-core result of 37931 against 22807 represents a 66.3% lead, which is a decisive margin for any task that scales across many cores. The 24-core, 32-thread configuration gives it a structural advantage in parallel workloads, and the data confirms this in integer math, floating point math, and data compression. The 10.6% lead in PassMark multithread reinforces that the Intel part maintains its edge even outside Cinebench. For users running video renders, 3D scene compilations, or batch data processing, the recorded numbers point firmly toward Intel.

The AMD Ryzen 7 9850X3D wins in specific single-threaded and cache-sensitive scenarios. The PassMark single-thread score of 4704 versus 4309, an 8.4% advantage, shows that the Zen 5 architecture delivers strong single-core throughput despite its lower core count. The physics test result of 435 versus 186, a 40.4% advantage in prime number finding, suggests that workloads with tight loops over resident data benefit from the larger 96 MB L3 cache. The extended instructions result, 39272 versus 32760, a 16.6% win, adds another data point in favor of AMD for instruction-heavy code. The 5.60 GHz boost clock on both parts is identical, so the AMD advantage here comes from architectural efficiency rather than raw clock speed.

The Verdict

The data supports a straightforward split based on workload type. For users whose primary workloads are multi-threaded rendering, the Intel Core i9-13900 wins in 10 of the 15 head-to-head tests and leads by large margins in the most demanding ones. The 66.3% Cinebench R23 multi-core lead and the 54.2% data encryption lead are too large to ignore for any heavily parallel workloads. The AMD Ryzen 7 9850X3D wins in single-threaded PassMark, physics, prime number finding, extended instructions, and even then only one of those five wins, the PassMark single-thread result at 8.4%, approaches double digits. The AMD part is the better fit for cache-sensitive scalar workloads, but the Intel part simply records more wins across the board.

Both CPUs sit at the 92nd percentile against all CPUs, which means neither one is a poor choice in absolute terms. The Intel part's nearest rivals are all within 1.1% of its average score, while the AMD part's nearest rivals sit within 0.7%, so both sit in tightly packed performance clusters among high-end desktop and server-class parts. The Intel Core i9-13900 records the higher average benchmark score at 60676, and it does so with more cores and a larger L3 cache. The AMD Ryzen 7 9850X3D counters with fewer cores, a smaller die, and a higher base clock. If the workload is rendering scores and multi-threaded PassMark tests, the Intel part is the data-backed pick. If the workload is physics and extended instruction tests, the AMD part has the edge.

FAQ

Q: Which processor has a higher single-core Cinebench R23 score?

A: The Intel Core i9-13900 scores 5355 in Cinebench R23 single-core, while the AMD Ryzen 7 9850X3D scores 2228. The Intel part leads by 140.4%.

Q: How do the two chips compare in PassMark physics performance, and which one wins?

A: The AMD Ryzen 7 9850X3D wins PassMark physics with 4171 against 2484, a 40.4% advantage for AMD.

Q: Does the AMD processor have a cache advantage over the Intel Core i9-13900?

A: Yes, the AMD Ryzen 7 9850X3D has 96 MB of shared L3 cache, while the Intel Core i9-13900 has 36 MB of shared L3. Both have 80 KB per-core L1, but Intel has 2 MB per-core L2 versus AMD's 1 MB per-core L2.

Q: Which processor supports DDR5 memory, and does either support DDR4?

A: The AMD Ryzen 7 9850X3D supports DDR5 memory only. The Intel Core i9-13900 supports both DDR4 and DDR5. Memory bandwidth for AMD is listed at 89.6 GB/s.

Q: What is the core and thread count difference between the two?

A: The Intel Core i9-13900 has 24 cores and 32 threads. The AMD Ryzen 7 9850X3D has 8 cores and 16 threads. The boost clock is identical at 5.60 GHz for both.

Q: Which processor records the higher average benchmark score overall, and by how much?

A: The Intel Core i9-13900 records an average benchmark score of 60676, while the AMD Ryzen 7 9850X3D records 58386. The difference is 2290 points.

Specification Differences

The following fields differ between the two processors. The Intel Core i9-13900 has 24 cores and 32 threads, while the AMD Ryzen 7 9850X3D has 8 cores and 16 threads. The Intel base clock is 2000 MHz, while the AMD base clock is 4700 MHz. Both share a 5.60 GHz boost clock. The Intel TDP is 65 W, while the AMD TDP is 120 W. The Intel uses Socket 1700, while AMD uses Socket AM5. The Intel architecture is Raptor Lake, while AMD uses Zen 5 with codename Granite Ridge. The Intel process node is 10 nm from Intel, with a die size of 257 mm², while AMD uses 4 nm from TSMC, with a die size of 70.6 mm². The Intel L2 cache is 2 MB per core, while AMD is 1 MB per core. The Intel L3 cache is 36 MB shared, while AMD is 96 MB shared. The Intel memory support includes DDR4 and DDR5, while AMD supports DDR5 only. The Intel memory bandwidth is not listed in the database, while AMD is listed at 89.6 GB/s. Both support ECC memory. The Intel PCIe is Gen 5 with 16 lanes (CPU only), while AMD is Gen 5 with 24 lanes (CPU only). The integrated graphics are UHD Graphics 770 for Intel and Radeon Graphics for AMD. The Intel multiplier is locked, while AMD is unlocked. The Intel release date is 2023-01-03, while AMD is 2026-01-28. The Intel launch MSRP is $549, while AMD is $499. The Intel part number is SRMB6, while AMD is 100-000001973.