AMD Ryzen 5 PRO 6650H vs AMD Ryzen 7 5700X3D Comparison

The AMD Ryzen 7 5700X3D and AMD Ryzen 5 PRO 6650H represent two distinct philosophies in processor design: a desktop-focused, cache-heavy part versus a mobile-focused, efficiency-oriented chip. The benchmark data shows a decisive overall victory for the 5700X3D, which secures 15 of the 17 head-to-head wins, but the 6650H demonstrates its own strengths in specific single-threaded workloads. This analysis breaks down the performance deltas, architectural foundations, and resulting use cases for each processor.

Head-to-Head Benchmarks

The most striking result in the entire comparison is the Cinebench R23 multi-core test. The Ryzen 7 5700X3D scores 22,366, while the Ryzen 5 PRO 6650H manages 9,561. This represents a 133.9% advantage for the 5700X3D, more than doubling the mobile chip's output in this heavily threaded workload. Similarly, in the Cinebench R15 multi-core test, the 5700X3D posts 2,254 points versus 1,550, a 45.4% lead.

The single-core Cinebench results also favor the desktop part, though with a smaller gap. The 5700X3D scores 3,157 in Cinebench R23 single-core, beating the 6650H's 1,471 by 114.6%. In Cinebench R15 single-core, the results are 318 versus 236, a 34.7% delta. This pattern suggests the 5700X3D's architectural advantages carry over even to lightly threaded tasks.

Geekbench results further confirm the trend. The 5700X3D's multi-core score of 11,086 is 60% higher than the 6650H's 6,930. The single-core gap narrows considerably, with the 5700X3D scoring 1,849 against 1,735, a 6.6% advantage. This indicates that the desktop chip's advantage grows substantially when more cores are engaged.

PassMark tests reveal a consistent pattern of dominance for the 5700X3D in most categories. The largest margin is in the find prime numbers test, where the 5700X3D scores 224 versus just 52 for the 6650H — a 330.8% difference. The physics test shows a 220.5% lead for the 5700X3D (2,686 vs 838). Data compression favors the 5700X3D by 41.1% (307,237 vs 217,700), and extended instructions by 40.9% (21,202 vs 15,044).

Interesting exceptions emerge in the PassMark single-thread tests. The 6650H scores 3,110 in both PassMark single_thread and singlethread tests, while the 5700X3D scores 2,970. This gives the mobile chip a 4.5% win in these two specific benchmarks, the only head-to-head victories for the 6650H. This is notable because the 6650H has a higher boost clock of 4.50 GHz compared to the 5700X3D's 4.10 GHz, and the data suggests this frequency advantage translates to faster single-threaded throughput in these particular tests.

The multi-threaded PassMark score shows a 46.7% lead for the 5700X3D (26,318 vs 17,936). Integer math favors the 5700X3D by 29.3% (81,257 vs 62,838), and floating-point math by 30.1% (46,492 vs 35,743). Data encryption shows a 39% advantage for the 5700X3D (18,788 vs 13,518), and random string sorting a 38% lead (31,492 vs 22,823).

The Verdict

The data presents a clear choice for most users. The Ryzen 7 5700X3D wins 15 out of 17 head-to-head benchmarks, including every multi-threaded test and all but two single-threaded tests. Its average benchmark score of 24,709 places it at the 77th percentile of all CPUs, while the 6650H's average of 24,364 sits at the 76th percentile. The overall scores are close — a 1.4% difference in favor of the 5700X3D — but the distribution of wins is heavily skewed.

For users who need maximum multi-threaded performance, the 5700X3D is the clear selection. The 133.9% lead in Cinebench R23 multi-core and 60% lead in Geekbench multi-core demonstrate that the 8-core, 16-thread desktop part is in a different class for rendering, compilation, and other parallel workloads. Its 96 MB of shared L3 cache provides a substantial advantage in cache-sensitive applications.

The 6650H does have a niche: the PassMark single-thread tests. With scores of 3,110 versus 2,970, it edges out the 5700X3D by 4.5% in these specific benchmarks. This, combined with its 45W TDP and integrated Radeon 660M graphics, makes it suitable for thin-and-light mobile systems where power efficiency and modest single-threaded performance are priorities. However, the 5700X3D still wins the other single-threaded benchmarks (Geekbench single-core and Cinebench single-core), so the 6650H's advantage is narrowly scoped.

The 5700X3D's launch MSRP is $249. Users requiring consistent high performance across a wide range of workloads should choose the Ryzen 7 5700X3D. Users constrained to a mobile form factor with modest single-threaded needs may find the 6650H acceptable, but the data shows it is outclassed in nearly every measurable way.

Architecture Differences

The two processors are built on different architectural generations and process nodes. The Ryzen 7 5700X3D uses Zen 3 architecture (codenamed Vermeer) on a 7 nm process from TSMC, while the Ryzen 5 PRO 6650H uses Zen 3+ architecture (codenamed Rembrandt) on a 6 nm process. Despite the newer process node for the 6650H, the 5700X3D delivers superior performance in the benchmarks.

Core counts differ significantly: the 5700X3D has 8 cores and 16 threads, while the 6650H has 6 cores and 12 threads. The desktop part also has a much larger cache configuration, with 96 MB of shared L3 cache versus 16 MB on the mobile chip. Both have 64 KB of L1 cache per core and 512 KB of L2 cache per core.

Clock speeds tell a different story. The 6650H has a higher base clock of 3.30 GHz and a higher boost clock of 4.50 GHz, compared to the 5700X3D's 3.00 GHz base and 4.10 GHz boost. This frequency advantage helps the 6650H win the PassMark single-thread tests, but it is not enough to overcome the 5700X3D's core count and cache advantages.

Power and platform differences are substantial. The 5700X3D has a 105W TDP and uses the AMD Socket AM4, while the 6650H has a 45W TDP and uses the AMD Socket FP7. The desktop part supports DDR4 memory with 51.2 GB/s bandwidth, while the mobile part supports DDR5 with 76.8 GB/s bandwidth. The 6650H includes integrated Radeon 660M graphics, while the 5700X3D has no integrated graphics. The 5700X3D supports ECC memory, while the 6650H does not. Both support PCIe Gen 4 with 20 lanes.

The transistor counts and die sizes differ markedly. The 5700X3D has 8,850 million transistors on a 74 mm² die, while the 6650H's die size is 208 mm² with no transistor count listed. The 5700X3D was released on 2024-01-07, while the 6650H was released on 2022-04-18.

FAQ

Q: Which processor has more cores?

A: The AMD Ryzen 7 5700X3D has 8 cores and 16 threads, while the AMD Ryzen 5 PRO 6650H has 6 cores and 12 threads.

Q: Does the Ryzen 5 PRO 6650H have integrated graphics?

A: Yes, it includes Radeon 660M integrated graphics. The Ryzen 7 5700X3D has no integrated graphics.

Q: Which processor has a higher boost clock?

A: The Ryzen 5 PRO 6650H has a higher boost clock of 4.50 GHz, compared to the Ryzen 7 5700X3D's 4.10 GHz.

Q: What is the difference in L3 cache size?

A: The Ryzen 7 5700X3D has 96 MB of shared L3 cache, while the Ryzen 5 PRO 6650H has 16 MB of shared L3 cache.

Q: Which processor supports ECC memory?

A: The Ryzen 7 5700X3D supports ECC memory, while the Ryzen 5 PRO 6650H does not.

Q: How many benchmarks does each processor win in the head-to-head comparison?

A: The Ryzen 7 5700X3D wins 15 benchmarks, while the Ryzen 5 PRO 6650H wins 2 benchmarks (both PassMark single-thread tests).

Where Each One Wins

The Ryzen 7 5700X3D is the dominant choice for demanding desktop workloads. Its 133.9% lead in Cinebench R23 multi-core makes it ideal for 3D rendering, video encoding, and software compilation. The 60% advantage in Geekbench multi-core further supports its use in multi-threaded productivity applications. The 220.5% lead in PassMark physics and 330.8% lead in find prime numbers indicate strong performance in scientific and simulation workloads. The 41.1% advantage in data compression and 39% in data encryption make it suitable for archiving and security-related tasks. Its 96 MB L3 cache is well-suited for gaming and other cache-sensitive applications.

The Ryzen 5 PRO 6650H wins in the PassMark single-thread tests, scoring 3,110 versus 2,970, a 4.5% advantage. This, combined with its 45W TDP and integrated Radeon 660M graphics, makes it a reasonable choice for thin-and-light laptops where battery life and portability take precedence over raw performance. Its higher boost clock of 4.50 GHz and support for faster DDR5 memory with 76.8 GB/s bandwidth provide some advantages in memory-intensive workloads. The 6650H's lower TDP also makes it suitable for passively cooled or fanless designs, though the benchmark data indicates it cannot match the 5700X3D's multi-threaded throughput. For users with a desktop platform and access to AM4 motherboards, the 5700X3D is the superior processor in nearly all scenarios, with the 6650H only being preferable in situations requiring a compact mobile form factor with integrated graphics.