AMD Ryzen 5 7600 vs Intel Core i9-11900K Comparison

Where Each One Wins

The Intel Core i9-11900K takes the majority of head-to-head matchups, winning 15 of 23 benchmarks against the AMD Ryzen 5 7600. The Intel part dominates heavily threaded workloads that scale with core count and cache hierarchy, while the AMD part wins in efficiency-oriented tasks and specific computational patterns.

The Intel i9-11900K is the clear choice for multi-core rendering workloads. In Cinebench R23 multicore, it scores 21168 against the Ryzen 5 7600's 12735, a massive 66.2% advantage. The 3DMark suite also favors Intel substantially: 16-thread tests show 8331 versus 6499 (28.2% ahead), and max-thread tests show 8319 versus 6503 (27.9% ahead). If your workflow involves CPU rendering, video encoding, or any application that scales across all threads, the i9-11900K's 8 cores and 16 threads outperform the Ryzen's 6 cores and 12 threads by a wide margin.

The AMD Ryzen 5 7600 wins in a different set of scenarios. It excels in single-threaded integer performance, physics simulation, and prime number finding. The PassMark single-thread score is 3910 versus 3511, a 10.2% edge for AMD. PassMark physics shows 1776 versus 1052, a 40.8% advantage. The find prime numbers test is particularly lopsided: 200 versus 68, a 66% difference. These results indicate AMD's Zen 4 architecture handles branch-heavy, scalar workloads more efficiently than Intel's Rocket Lake design.

The Ryzen 5 7600 also wins in Geekbench single-core (2521 versus 2273, 9.8% ahead) and PassMark data encryption (17704 versus 16000, 9.6% ahead). For everyday responsiveness, light gaming, and applications that favor single-thread performance, the Ryzen 5 7600 is the stronger candidate despite having fewer cores.

FAQ

Q: Which CPU is faster in multi-threaded rendering?

A: The Intel Core i9-11900K is significantly faster. In Cinebench R23 multicore, it scores 21168 versus the Ryzen 5 7600's 12735, a 66.2% lead. The 3DMark 16-thread test also shows Intel ahead at 8331 versus 6499 (28.2%).

Q: Does the AMD Ryzen 5 7600 win any benchmarks?

A: Yes, it wins 8 of 23 head-to-head tests. Notable wins include PassMark single-thread (3910 versus 3511, 10.2% ahead), PassMark physics (1776 versus 1052, 40.8% ahead), PassMark find prime numbers (200 versus 68, 66% ahead), and Geekbench single-core (2521 versus 2273, 9.8% ahead).

Q: Which CPU has better memory bandwidth on paper?

A: The AMD Ryzen 5 7600 supports DDR5 memory with 83.2 GB/s bandwidth, while the Intel Core i9-11900K supports DDR4 with 51.2 GB/s. The Ryzen also supports ECC memory, which the Intel part does not.

Q: How do their overall benchmark averages compare?

A: The Intel Core i9-11900K has an average benchmark score of 26639, while the AMD Ryzen 5 7600 averages 26324. The Intel part sits at the 79th percentile among all CPUs, and the AMD part sits at the 78th percentile.

Q: What are the core and thread counts?

A: The Intel Core i9-11900K has 8 cores and 16 threads. The AMD Ryzen 5 7600 has 6 cores and 12 threads. Intel uses an 8-core design with Hyper-Threading, while AMD uses a 6-core design with simultaneous multithreading.

Q: Which CPU is newer and still in production?

A: The AMD Ryzen 5 7600 was released on 2023-01-13 and has active production status. The Intel Core i9-11900K was released on 2021-03-15 and is end-of-life.

Head-to-Head Benchmarks

The largest Intel victory comes in Cinebench R23 multicore, where the i9-11900K scores 21168 against the Ryzen 5 7600's 12735. That 66.2% delta is the single biggest gap in the entire comparison. The single-core variant of Cinebench R23 also goes to Intel: 2988 versus 1852, a 61.3% lead. These two results alone establish Intel's dominance in sustained rendering workloads.

3DMark results reinforce the pattern. The 16-thread test shows Intel at 8331 versus AMD's 6499 (28.2% ahead), and the 8-thread test shows 6528 versus 5508 (18.5% ahead). Even the 2-thread and 4-thread tests go to Intel, albeit by smaller margins of 1.9% and 2.5% respectively. The single-thread 3DMark test is close, with Intel at 1011 versus 999 (1.2% ahead).

PassMark integer math favors Intel at 89279 versus 80581, a 10.8% advantage. Floating-point math also goes to Intel: 52841 versus 48107 (9.8% ahead). Data compression shows Intel ahead at 330836 versus 304942 (8.5%), and random string sorting at 37942 versus 35904 (5.7%). Extended instructions are nearly tied, with Intel at 23406 versus 23071 (1.5% ahead). Geekbench multicore is also close: 13550 versus 13413, a slim 1% Intel win.

The AMD Ryzen 5 7600's biggest win is PassMark find prime numbers, scoring 200 against Intel's 68, a 66% advantage. This test measures scalar integer throughput in a tight loop, and Zen 4's architecture clearly excels there. PassMark physics shows AMD at 1776 versus 1052 (40.8% ahead), reflecting better instruction-level parallelism in physics calculations.

PassMark multithread goes to AMD at 27058 versus 25038 (7.5% ahead), which is notable because AMD wins this despite having fewer cores. The Ryzen 5 7600 also wins PassMark single-thread (3910 versus 3511, 10.2% ahead, listed twice in the data as passmark_single_thread and passmark_singlethread). Geekbench single-core goes to AMD at 2521 versus 2273 (9.8% ahead). Data encryption shows AMD at 17704 versus 16000 (9.6% ahead). Cinebench R15 multicore goes to AMD at 2339 versus 2133 (8.8% ahead), while R15 single-core is essentially tied with Intel at 300 versus 298 (0.7% ahead).

The overall picture is that Intel wins the throughput-heavy tests and AMD wins the latency-sensitive and scalar tests. The i9-11900K's higher core count and larger L3 cache (16 MB shared) help in parallel workloads, while the Ryzen 5 7600's newer architecture and higher base clock (3.80 GHz versus 3.50 GHz) contribute to its single-thread wins.

Specification Differences

The Intel Core i9-11900K and AMD Ryzen 5 7600 differ in almost every major specification. Intel has 8 cores and 16 threads, 2 more cores and 4 more threads than AMD's 6 cores and 12 threads. Base clocks are close (Intel at 3.50 GHz, AMD at 3.80 GHz), but boost clocks favor Intel at 5.30 GHz versus AMD's 5.10 GHz. The TDP rating differs substantially: Intel at 125 watts, AMD at 65 watts.

Memory support is a major generational divide. Intel uses DDR4 with a dual-channel bus and 51.2 GB/s bandwidth. AMD uses DDR5 with a dual-channel bus and 83.2 GB/s bandwidth. AMD supports ECC memory, which Intel does not. PCIe support also differs by a full generation gap: Intel provides Gen 4 with 20 lanes (CPU only), AMD provides Gen 5 with 24 lanes (CPU only).

The process node tells a story of manufacturing leadership. Intel uses 14 nm process from Intel's own foundry with a die size of 276 mm². AMD uses a 5 nm process from TSMC with a die size of 71 mm² and 6,570 million transistors. The cache hierarchies differ as well: Intel has L1 at 80 KB per core, L2 at 512 KB per core, and L3 at 16 MB shared. AMD has L1 at 64 KB per core, L2 at 1 MB per core, and L3 at 32 MB shared.

Integrated graphics differ between the two. The Intel part includes UHD Graphics 750, while the AMD part includes Radeon Graphics. Both have unlocked multipliers for overclocking. The Intel part is end-of-life with a 2021-03-15 release date, while the AMD part is active with a 2023-01-13 release date. The Intel launch MSRP is $539, and the AMD launch MSRP is $229. Socket compatibility is completely different: Intel Socket 1200 versus AMD Socket AM5.

Architecture Differences

The Intel Core i9-11900K is built on Rocket Lake, Intel's 11th generation architecture. It uses a 14 nm process from Intel's foundry, which is the same node family that Intel had used for several generations. The die size is 276 mm², reflecting a monolithic design with relatively large per-core logic. The cache layout includes 80 KB L1 per core, 512 KB L2 per core, and 16 MB shared L3. This is a mature design that relies on high boost clocks (5.30 GHz) to extract performance from an older node.

The AMD Ryzen 5 7600 uses the Zen 4 architecture under the Raphael codename, manufactured on TSMC's 5 nm process node. The die size is just 71 mm² with 6,570 million transistors. Zen 4 uses a chiplet-based approach with a different cache distribution: 64 KB L1 per core, 1 MB L2 per core, and 32 MB shared L3, double Intel's L3 capacity. The architecture is designed for efficiency with a lower TDP of 65 watts while still achieving a 3.80 GHz base clock.

The PCIe implementation reflects architectural generation. Intel provides Gen 4 PCIe with 20 lanes, while AMD provides Gen 5 with 24 lanes. Both support the same dual-channel memory bus width, but the protocols differ: DDR4 versus DDR5 with significantly different bandwidth figures (51.4% higher on paper for AMD's 83.2 GB/s versus Intel's 51.2 GB/s).

These architectural choices explain many benchmark results. Intel's Rocket Lake design pushes IPC improvements through a wider execution engine, but the 14 nm node limits efficiency and die size is large at 276 mm². AMD's Zen 4 achieves higher IPC through a newer node and smaller transistors at 5 nm and just 71 mm². The Ryzen 5 7600's higher single-thread PassMark score of 3910 reflects this architectural advantage.

The AMD architecture also supports ECC memory, a feature Intel's Rocket Lake lacks entirely. For servers or workstations that require error-correcting memory, AMD's design has an inherent advantage. The Intel part counters with more cores and higher thread count (16 threads versus 12), which explains its dominance in Cinebench R23 multicore and 3DMark 16-thread tests.

The Verdict

Choose the Intel Core i9-11900K if your workloads are dominated by heavily threaded applications. The data shows a 66.2% lead in Cinebench R23 multicore, 28.2% in 3DMark 16-thread, and 27.9% in 3DMark max-thread. If you are rendering 3D scenes, encoding video, compressing data, sorting random strings, or running integer-heavy math, the i9-12900K wins by margins that are too large to ignore. The 8-core, 16-thread design with 16 MB L3 cache is built for throughput, and it shows in scores like 89279 in PassMark integer math and 52841 in floating-point math.

Choose the AMD Ryzen 5 7600 if your priorities are single-thread responsiveness and scalar performance. The PassMark single-thread win of 3910 (10.2% ahead), physics simulation (40.8% ahead), and prime number finding (66% ahead) all favor AMD. The Ryzen 5 7600 also has a lower TDP of 65 watts versus 125 watts, which matters for system thermals and power delivery. If you run Geekbench single-core workloads, play games that are light on threads, or work with encryption-heavy data, the AMD part wins or ties in each of these categories.

For a balanced desktop system today, the AMD Ryzen 5 7600 is the more modern platform with DDR5 support, Gen 5 PCIe, and an active production status. The Intel i9-11900K is end-of-life and uses DDR4, but its multi-threaded performance remains formidable against a newer 6-core rival. The average benchmark scores are close (26639 versus 26324), and the percentile ranks nearly identical (79th versus 78th). The real decision comes down to whether your software scales across 16 threads or prefers a faster single-core architecture. The data supports both picks depending on the workload.