AMD Ryzen 7 5700X vs AMD Ryzen 7 6800U Comparison

Head-to-Head Benchmarks

The recorded data shows a decisive pattern: the AMD Ryzen 7 5700X wins 16 of the 17 shared benchmark comparisons, while the AMD Ryzen 7 6800U takes a single victory. That one win is narrow but notable. In Cinebench R23 single-core, the 6800U scores 1506 against 1499 for the 5700X, a 0.5% edge. This is the only test where the mobile chip comes out ahead, and the margin is slim enough to be considered a statistical tie in practical terms.

Everywhere else, the 5700X pulls away by margins that range from modest to massive. The largest gap appears in PassMark find prime numbers, where the 5700X scores 119 versus 57, a 52.1% advantage. That test is heavily dependent on sustained all-core throughput, which favors the desktop part's higher power envelope. Similarly, PassMark extended instructions shows a 26.8% lead for the 5700X (21755 vs 15935), and PassMark physics shows a 26.4% gap (1337 vs 984). These are workloads that reward consistent multi-threaded execution over short burst performance.

Cinebench R15 multicore tells the same story: 2329 for the 5700X versus 1776 for the 6800U, a 23.7% deficit for the mobile chip. Cinebench R23 multicore follows with 13184 against 10546, a 20% gap. Geekbench multicore shows a 16.5% difference (10779 vs 9002), while Geekbench single-core sits at 13.6% in favor of the 5700X (2016 vs 1742). Even the PassMark single-thread score, which usually favors newer architectures, goes to the 5700X by 6.5% (3385 vs 3166).

The remaining comparisons cluster in the 16% to 25% range. PassMark data compression: 323610 vs 244082, a 24.6% lead. PassMark data encryption: 20198 vs 15601, a 22.8% lead. PassMark random string sorting: 33512 vs 25954, a 22.6% lead. PassMark multithread: 26612 vs 20350, a 23.5% lead. PassMark floating point math: 51842 vs 42246, an 18.5% lead. PassMark integer math: 92749 vs 77731, a 16.2% lead. Cinebench R15 single-core is closer at 253 vs 242, a 4.3% edge for the 5700X.

The average benchmark score in the database puts the 6800U at 27887 and the 5700X at 27578, a difference of about 1.1% in favor of the mobile part despite losing nearly every head-to-head test. This happens because the 6800U has additional benchmark results in its profile that are not shared with the 5700X, which changes the averaging. The percentile ranking against all CPUs is identical for both at 79.

Architecture Differences

The two processors come from different generations and target different physical environments. The 6800U is a mobile part from the 6000 series, built on the Zen 3+ architecture with the codename Rembrandt. It uses a 6 nm process from TSMC and has a die size of 208 mm². The 5700X is a desktop part from the 5000 series, built on the original Zen 3 architecture with the codename Vermeer. It uses a 7 nm process from TSMC and has a die size of 74 mm² with 4,150 million transistors.

Both chips have 8 cores and 16 threads, so the core count is identical. The cache layout differs in one important way: each core has 64 KB of L1 and 512 KB of L2 on both parts, but the shared L3 cache is 16 MB on the 6800U and 32 MB on the 5700X. That doubling of L3 cache is a significant architectural advantage for the desktop chip, especially in workloads that repeatedly access a large working set.

Memory support is another major split. The 6800U supports DDR5 memory with a dual-channel bus and a recorded memory bandwidth of 76.8 GB/s. The 5700X supports DDR4 memory, also dual-channel, with a bandwidth of 51.2 GB/s. The mobile chip has the higher theoretical memory bandwidth, but the desktop chip compensates with the larger cache pool. The 6800U does not support ECC memory, while the 5700X does.

The 6800U includes integrated graphics in the form of the Radeon 680M, while the 5700X has no integrated graphics at all. Both use PCIe Gen 4 with 20 lanes from the CPU. The 6800U has a base clock of 2.70 GHz and a boost clock of 4.70 GHz, while the 5700X has a base clock of 3.40 GHz and a boost clock of 4.60 GHz. The desktop chip starts higher and boosts slightly lower, but its 65 W TDP against the 6800U's 15 W TDP explains most of the performance difference in sustained workloads.

The sockets are completely different: the 6800U uses AMD Socket FP7, while the 5700X uses AMD Socket AM4. The 6800U has a locked multiplier, while the 5700X is multiplier-unlocked. The 5700X has a recorded release date of April 3, 2022, while no release date is recorded for the 6800U.

FAQ

Q: Which CPU is faster in single-core performance?

A: The 5700X wins most single-thread tests. It leads by 4.3% in Cinebench R15 single-core (253 vs 242), by 13.6% in Geekbench single-core (2016 vs 1742), and by 6.5% in PassMark single-thread (3385 vs 3166). The 6800U only wins Cinebench R23 single-core by 0.5% (1506 vs 1499).

Q: How large is the multi-core performance gap?

A: The 5700X leads by 23.7% in Cinebench R15 multicore, 20% in Cinebench R23 multicore, 16.5% in Geekbench multicore, and 23.5% in PassMark multithread. The largest multi-threaded gap is 52.1% in PassMark find prime numbers.

Q: Does the 6800U have integrated graphics?

A: Yes, the 6800U has a Radeon 680M integrated GPU. The 5700X has no integrated graphics, so it requires a discrete graphics card for display output.

Q: What memory types do these CPUs support?

A: The 6800U supports DDR5 memory with a bandwidth of 76.8 GB/s, while the 5700X supports DDR4 memory with a bandwidth of 51.2 GB/s. Both use dual-channel memory buses. The 5700X also supports ECC memory, while the 6800U does not.

Q: Are these CPUs on the same socket?

A: No. The 6800U uses AMD Socket FP7, which is a mobile socket. The 5700X uses AMD Socket AM4, which is a desktop socket. They are not interchangeable.

Q: Which CPU has more L3 cache?

A: The 5700X has 32 MB of shared L3 cache, double the 16 MB found on the 6800U. Both have identical per-core L1 (64 KB) and L2 (512 KB) caches.

Specification Differences

| Specification | AMD Ryzen 7 6800U | AMD Ryzen 7 5700X |

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

| Series | 6000 series | 5000 series |

| Base clock | 2.70 GHz | 3.40 GHz |

| Boost clock | 4.70 GHz | 4.60 GHz |

| TDP | 15 W | 65 W |

| Socket | AMD Socket FP7 | AMD Socket AM4 |

| Architecture | Zen 3+ | Zen 3 |

| Codename | Rembrandt | Vermeer |

| Process node | 6 nm | 7 nm |

| Transistors | Not recorded | 4,150 million |

| Die size | 208 mm² | 74 mm² |

| L3 cache | 16 MB (shared) | 32 MB (shared) |

| Memory support | DDR5 | DDR4 |

| Memory bandwidth | 76.8 GB/s | 51.2 GB/s |

| ECC memory | No | Yes |

| Integrated graphics | Radeon 680M | None |

| Market segment | Mobile | Desktop |

| Release date | Not recorded | April 3, 2022 |

| Launch MSRP | None recorded | $299 |

| Multiplier unlocked | No | Yes |

Where Each One Wins

The 5700X wins every meaningful compute category in the shared benchmarks. It is faster in rendering workloads as shown by Cinebench R15 and R23 multicore results, faster in general productivity as shown by Geekbench multicore, and faster in every PassMark subtest including data compression, encryption, extended instructions, prime number finding, floating point math, integer math, multithread, physics, and random string sorting. It also wins most single-thread tests despite the 6800U's single narrow victory in Cinebench R23 single-core.

The 6800U's advantages are not in raw compute but in platform features and power characteristics. It draws 15 W compared to 65 W for the 5700X, which makes it suitable for thin-and-light laptops where cooling and battery life matter more than peak throughput. It includes a Radeon 680M integrated GPU, so it can run a display without any discrete graphics card. It also supports DDR5 memory with a higher theoretical bandwidth of 76.8 GB/s, and it uses a smaller 6 nm process node.

For workloads that fit entirely in a smaller working set, the 6800U's 16 MB of L3 cache may be sufficient, but the 5700X's 32 MB L3 cache gives it a structural advantage in data-heavy tasks. The database's benchmark results do not isolate cache-sensitive workloads directly, but the consistent 16% to 26% gaps across diverse PassMark tests suggest the desktop chip's higher power budget and larger cache contribute across the board.

The Verdict

The data points to a clear split based on platform. If the goal is maximum compute performance in a desktop system, the AMD Ryzen 7 5700X is the stronger choice by a wide margin. It wins 16 of 17 shared benchmarks, with leads ranging from 0.5% to 52.1%. The largest advantages appear in multi-threaded and cache-sensitive workloads, where its 32 MB L3 cache and 65 W TDP allow sustained high output. It also offers ECC memory support and an unlocked multiplier for overclocking, and it has a recorded launch MSRP of $299.

If the goal is a mobile system with reasonable performance and integrated graphics, the AMD Ryzen 7 6800U is the only viable option of the two. It cannot be installed in a desktop AM4 board, and the 5700X cannot be installed in a laptop FP7 board. The 6800U's 15 W TDP, Radeon 680M graphics, and DDR5 support make it a competent mobile processor, and its single-core Cinebench R23 result is effectively on par with the 5700X. But in every multi-threaded benchmark, the 5700X holds a significant advantage, often exceeding 20%.

Both CPUs sit at the 79th percentile against all CPUs in the database, and their average benchmark scores are close (27887 for the 6800U, 27578 for the 5700X). That similarity in aggregate statistics hides the fact that the 5700X is consistently faster in the tests where both were measured. The 6800U's higher average comes from additional benchmark entries in its profile, not from beating the 5700X in shared workloads.

The practical advice is simple: choose the 5700X for a desktop build where performance is the priority, and choose the 6800U only when the mobile form factor, integrated graphics, or 15 W power draw are the deciding factors. The performance gap is simply too large to ignore in favor of the mobile chip for pure compute-bound tasks.