AMD Ryzen 7 3800XT vs Intel Core i5-10600K Comparison

The Intel Core i5-10600K and AMD Ryzen 7 3800XT are both active desktop processors from 2020, yet they deliver starkly different performance profiles. Benchmark data shows the AMD chip dominates multi-threaded workloads, while the Intel part holds a clear edge in low-thread-count scenarios. With an average benchmark score of 3533 for the Intel and 3515 for the AMD, the overall performance gap is nearly negligible, but the distribution of wins tells a compelling story about each chip's strengths.

Head-to-Head Benchmarks

The most decisive victory in this matchup belongs to the AMD Ryzen 7 3800XT in Cinebench R15 multi-core, where it scores 2230 against the Intel's 1220. That represents a 45.3% lead for AMD, a massive margin that underscores the advantage of having two additional physical cores. The Ryzen also wins Cinebench R15 single-core, scoring 219 versus 172, a 21.5% gap that is surprising given Intel's reputation for single-thread strength. Geekbench results follow the same pattern: AMD leads multi-core with 8561 versus 6393 (25.3% ahead) and single-core with 1773 versus 1477 (16.7% ahead).

The 3DMark suite shows a more nuanced picture. AMD wins the 16-thread test with 6307 against 5378 (14.7% ahead) and the max-thread test with 6294 versus 5377 (14.6% ahead). AMD also takes the 8-thread test, scoring 4743 versus 4504, a narrower 5% margin. However, Intel sweeps the lower-thread-count tests. In 3DMark single-thread, Intel scores 799 versus AMD's 748, a 6.8% advantage. In the 2-thread test, Intel leads 1553 to 1475 (5.3% ahead), and in the 4-thread test, Intel wins 2970 to 2795 (6.3% ahead). Intel also holds wins in Cinebench R20 single-core (717 vs no comparable AMD score) and multi-core (5084 vs no comparable AMD score), as well as Cinebench R23 single-core (1709) and multi-core (12106), where no AMD counterpart is listed in the data.

Overall, AMD wins 7 of the 10 head-to-head benchmarks, with Intel taking 3. The pattern is consistent: AMD dominates whenever thread counts scale, while Intel's per-core efficiency gives it the edge in lightly threaded tasks. The delta percentages show AMD's multi-thread wins are typically larger (14.6% to 45.3%) than Intel's low-thread wins (5.3% to 6.8%), suggesting AMD's total workload advantage is more pronounced.

Architecture Differences

The two processors are built on fundamentally different manufacturing and design philosophies. The Intel Core i5-10600K uses the Comet Lake architecture on a 14 nm process node fabricated by Intel, while the AMD Ryzen 7 3800XT employs Zen 2 (codename Matisse 2) on a 7 nm process node from TSMC. This process gap is significant: AMD's smaller node allows for higher transistor density, with the Ryzen 7 packing 3,800 million transistors on a 74 mm² die, whereas the Intel chip's transistor count and die size are not specified in the data.

Core and thread counts differ substantially. The Intel offers 6 cores and 12 threads, while the AMD provides 8 cores and 16 threads. Cache configurations also diverge. Both share 64 KB of L1 cache per core, but AMD doubles the L2 cache to 512 KB per core versus Intel's 256 KB per core. More dramatically, the AMD has 32 MB of shared L3 cache compared to Intel's 12 MB shared L3 cache, a 20 MB difference that favors AMD in cache-sensitive workloads.

Memory bandwidth also favors AMD: the Ryzen 7 3800XT delivers 51.2 GB/s versus Intel's 42.7 GB/s, both using dual-channel DDR4. PCIe support differs as well, with AMD offering Gen 4 and Intel limited to Gen 3 with 16 lanes from the CPU. The AMD chip has no integrated graphics, while Intel includes UHD Graphics 630. Clock speeds are higher on the Intel part, with a base clock of 4.10 GHz and boost of 4.80 GHz, compared to AMD's 3.80 GHz base and 4.70 GHz boost, yet the AMD's architectural efficiency compensates in most benchmarks.

Where Each One Wins

The AMD Ryzen 7 3800XT is the clear choice for multi-threaded, content-creation, and productivity workloads. Its Cinebench R15 multi-core score of 2230 versus Intel's 1220 indicates a 45.3% advantage that will be felt in rendering, video encoding, and compilation tasks. The Geekbench multi-core result of 8561 versus 6393 reinforces this, showing AMD is 25.3% ahead in general multi-threaded processing. The 3DMark 16-thread and max-thread tests, where AMD leads by 14.7% and 14.6% respectively, confirm that scaling across all available threads heavily favors AMD. The larger L3 cache (32 MB vs 12 MB) and higher memory bandwidth (51.2 GB/s vs 42.7 GB/s) support this win profile, as these resources benefit workloads that access large datasets or stream data heavily.

The Intel Core i5-10600K wins in scenarios where only a few threads are active. Its 3DMark single-thread score of 799 versus AMD's 748 (6.8% ahead) and its 2-thread and 4-thread wins (5.3% and 6.3% ahead) make it the better fit for older games, lightly threaded applications, and tasks that rely on high per-core frequency. The higher boost clock of 4.80 GHz versus 4.70 GHz contributes to this edge. Intel also wins Cinebench R20 and R23 single-core tests (717 and 1709 respectively), though no AMD scores are listed for direct comparison in those tests. For users who prioritize responsiveness in everyday tasks or gaming with low thread utilization, the Intel part offers a measurable advantage.

Specification Differences

The two processors differ across several key specification fields. The Intel Core i5-10600K has 6 cores and 12 threads, while the AMD Ryzen 7 3800XT has 8 cores and 16 threads. Base clocks are 4.10 GHz for Intel and 3.80 GHz for AMD, with boost clocks of 4.80 GHz and 4.70 GHz respectively. Thermal design power differs, with Intel rated at 125 W and AMD at 105 W. Sockets are incompatible: Intel uses Socket 1200, while AMD uses Socket AM4. Process nodes are 14 nm for Intel and 7 nm for AMD. The AMD chip has 3,800 million transistors on a 74 mm² die, whereas Intel does not report these figures. L2 cache is 256 KB per core for Intel and 512 KB per core for AMD, while L3 cache is 12 MB shared for Intel and 32 MB for AMD. Memory bandwidth is 42.7 GB/s for Intel and 51.2 GB/s for AMD. PCIe support is Gen 3 with 16 lanes for Intel and Gen 4 for AMD. Intel includes UHD Graphics 630, while AMD has no integrated graphics. Release dates are April 2020 for Intel and July 2020 for AMD. The AMD processor has a launch MSRP of $399; Intel does not have a listed launch MSRP.

FAQ

Q: Which processor is faster in multi-threaded benchmarks?

A: The AMD Ryzen 7 3800XT wins all multi-threaded tests. It leads by 45.3% in Cinebench R15 multi-core (2230 vs 1220), 25.3% in Geekbench multi-core (8561 vs 6393), and 14.7% in 3DMark 16-thread (6307 vs 5378).

Q: Does the Intel Core i5-10600K win any benchmarks?

A: Yes, Intel wins 3DMark single-thread (799 vs 748, 6.8% ahead), 2-thread (1553 vs 1475, 5.3% ahead), and 4-thread (2970 vs 2795, 6.3% ahead). Intel also holds Cinebench R20 and R23 single-core and multi-core scores, though no AMD counterparts are listed for those tests.

Q: How do the core and thread counts compare?

A: The AMD Ryzen 7 3800XT has 8 cores and 16 threads, while the Intel Core i5-10600K has 6 cores and 12 threads. This gives AMD two additional cores and four additional threads.

Q: What is the difference in cache sizes?

A: Both have 64 KB of L1 cache per core. The AMD has 512 KB of L2 cache per core compared to Intel's 256 KB. For L3, AMD offers 32 MB shared, while Intel provides 12 MB shared.

Q: Which chip has higher clock speeds?

A: The Intel Core i5-10600K has higher clocks: 4.10 GHz base and 4.80 GHz boost, versus the AMD's 3.80 GHz base and 4.70 GHz boost.

Q: What is the memory bandwidth difference?

A: The AMD Ryzen 7 3800XT provides 51.2 GB/s of memory bandwidth, while the Intel Core i5-10600K provides 42.7 GB/s. Both support dual-channel DDR4 memory.