AMD Ryzen 7 5800X3D vs AMD Ryzen 7 PRO 6850U Comparison

Head-to-Head Benchmarks

The benchmark data presents a clear picture: the AMD Ryzen 7 5800X3D dominates the head-to-head comparison, winning 14 of 17 recorded tests. The AMD Ryzen 7 PRO 6850U takes only 3 wins, and two of those are ties in single-threaded PassMark tests where both processors score exactly 3234.

The most significant margin comes in the PassMark find prime numbers test. The 5800X3D scores 227 against the 6850U's 56, a staggering 75.3% advantage. This test highlights the desktop processor's raw integer throughput capability. Similarly, the PassMark physics test shows a 65.7% gap, with the 5800X3D scoring 2884 versus 989 for the mobile chip. These two results indicate that the 5800X3D has a substantial advantage in workloads that stress computational density and latency-sensitive operations.

In multi-core rendering, the 5800X3D maintains a strong but less extreme lead. Cinebench R23 multi-core shows the desktop part at 14317 points against 10047 for the 6850U, a 29.8% difference. Geekbench multi-core reveals a similar pattern: 11765 versus 8037, a 31.7% gap. The Cinebench R15 multi-core test also favors the 5800X3D at 2413 points versus 1766, a 26.8% delta. These results show that the 5800X3D's higher power envelope and larger cache translate into meaningful multi-threaded performance advantages.

The 5800X3D also wins in data-oriented workloads. PassMark data compression scores 329688 versus 249799, a 24.2% lead. Data encryption shows 20258 against 15995, a 21% advantage. Extended instructions tests favor the desktop chip by 28.9% (22580 versus 16054). Random string sorting goes to the 5800X3D with 33776 versus 26716, a 20.9% margin. Floating point math shows a narrower 14.2% gap (50100 versus 42999), while integer math is closer still at 10.3% (88608 versus 79479).

Single-core performance tells a more nuanced story. In Cinebench R23 single-core, the 6850U actually wins, scoring 1501 versus 1452, a 3.4% advantage. The Cinebench R15 single-core test goes to the 5800X3D but by only 1.2% (241 versus 238). Geekbench single-core is a clear win for the 5800X3D at 2017 versus 1578, a 21.8% margin. The PassMark single-thread tests are exact ties at 3234 for both processors, with the delta at zero.

The overall average benchmark scores place these chips very close together in the database. The 6850U has an average benchmark score of 28379, while the 5800X3D sits at 27896. Both processors occupy the 80th percentile against all CPUs in the database. The nearest rivals for the 6850U include the AMD Ryzen 7 7735U with a delta of 0.1% and the Intel Core i9-11950H at 0.2%. The 5800X3D's nearest rivals include the AMD Ryzen 7 6800U at a zero delta and the Intel Core i9-10900K at 0.1%.

The Verdict

The data clearly favors the AMD Ryzen 7 5800X3D for users who prioritize raw compute performance. It wins decisively in multi-core rendering, encryption, compression, physics simulation, and prime number calculation. The 75.3% lead in prime number finding and the 65.7% lead in physics are the standout margins, indicating the desktop chip's superior per-thread execution and cache efficiency.

However, the 6850U is not without merit. It wins Cinebench R23 single-core with a 3.4% margin, and it ties the 5800X3D in PassMark single-thread tests. The mobile processor achieves these results within a 15 watt TDP envelope, whereas the 5800X3D requires 105 watts. The 6850U also includes integrated Radeon 680M graphics, while the 5800X3D has no integrated graphics at all.

The choice depends on platform and workload. The 5800X3D is for desktop systems where power consumption is not the primary constraint and where multi-threaded performance matters most. The 6850U is for mobile systems where the integrated graphics capability and lower power draw are essential, and where the single-core performance is competitive. The 5800X3D was launched at an MSRP of $449, though no pricing details are recorded for the 6850U.

Users who need maximum multi-core throughput, especially in physics-based simulations, data compression, or encryption tasks, should select the 5800X3D. Users who need a balanced mobile processor with competitive single-thread performance and integrated graphics should select the 6850U.

FAQ

Q: Which processor wins more benchmark tests?

A: The AMD Ryzen 7 5800X3D wins 14 of the 17 head-to-head tests, while the AMD Ryzen 7 PRO 6850U wins 3, including two ties in PassMark single-thread tests.

Q: What is the largest performance gap between the two?

A: The largest gap is in the PassMark find prime numbers test, where the 5800X3D leads by 75.3% (227 versus 56). The PassMark physics test is second at 65.7% (2884 versus 989).

Q: Does the 6850U win any single-core tests?

A: Yes, the 6850U wins Cinebench R23 single-core with a 3.4% margin (1501 versus 1452). It also ties the 5800X3D in both PassMark single-thread and singlethread tests at 3234 points.

Q: How do the average benchmark scores compare?

A: The 6850U has an average benchmark score of 28379, while the 5800X3D scores 27896. Both sit at the 80th percentile against all CPUs in the database.

Q: Which processor has integrated graphics?

A: The AMD Ryzen 7 PRO 6850U includes Radeon 680M integrated graphics. The AMD Ryzen 7 5800X3D has no integrated graphics.

Q: What is the power consumption difference?

A: The 6850U has a TDP of 15 watts, while the 5800X3D has a TDP of 105 watts. This is a substantial difference in thermal and power requirements.

Specification Differences

The two processors differ in several core specifications. The base clock of the 6850U is 2.70 GHz, while the 5800X3D runs at 3.40 GHz. Boost clocks are closer: the 6850U reaches 4.70 GHz, while the 5800X3D tops out at 4.50 GHz.

The TDP difference is significant: 15 watts for the 6850U versus 105 watts for the 5800X3D. The sockets differ as well, with the 6850U using AMD Socket FP7 and the 5800X3D using AMD Socket AM4.

Memory support diverges: the 6850U supports DDR5 with a memory bandwidth of 76.8 GB/s, while the 5800X3D supports DDR4 with 51.2 GB/s. ECC memory support also differs, with the 6850U lacking it and the 5800X3D including it.

The production status differs. The 6850U is marked as Active, while the 5800X3D is End-of-life. Release dates are nearly identical: the 6850U released on April 18, 2022, and the 5800X3D on April 19, 2022. The 5800X3D has a recorded launch MSRP of $449, while the 6850U has no recorded launch MSRP.

Both processors have 8 cores and 16 threads, use PCIe Gen 4 with 20 lanes from the CPU, and have non-unlocked multipliers. The 6850U has a part number of 100-000000538100-000000550, while the 5800X3D is 100-000000651.

Architecture Differences

The architectural split is clear. The 6850U is built on Zen 3+ architecture with the codename Rembrandt, while the 5800X3D uses Zen 3 with the codename Vermeer. The process nodes differ: the 6850U uses 6 nm technology, and the 5800X3D uses 7 nm. Both are fabricated by TSMC.

The die sizes are dramatically different. The 6850U has a die size of 208 mm², while the 5800X3D measures 74 mm². The 5800X3D has a recorded transistor count of 8,850 million, while no transistor count is recorded for the 6850U.

Cache configurations differ significantly. Both have 64 KB of L1 cache per core and 512 KB of L2 cache per core. The L3 cache is the major divergence: the 6850U has 16 MB shared, while the 5800X3D has 96 MB shared. This 6x difference in L3 capacity is a defining characteristic of the 5800X3D's design.

The 6850U includes integrated Radeon 680M graphics, while the 5800X3D has no integrated graphics. The market segments reflect this: the 6850U is a Mobile processor, and the 5800X3D is a Desktop processor.

Where Each One Wins

The AMD Ryzen 7 5800X3D wins in nearly every compute-heavy category. Multi-core rendering is its territory, with Cinebench R23 multi-core at 14317 versus 10047, and Cinebench R15 multi-core at 2413 versus 1766. Geekbench multi-core also favors it at 11765 versus 8037.

Data workloads are another strong area for the 5800X3D. Data compression scores 329688 versus 249799, and data encryption scores 20258 versus 15995. The extended instructions test shows a 28.9% lead, and random string sorting is 20.9% ahead.

The most extreme wins come in specialized tests. Prime number finding shows a 75.3% advantage, and physics simulation shows a 65.7% advantage. Floating point math and integer math also favor the 5800X3D, though by smaller margins of 14.2% and 10.3%, respectively.

The AMD Ryzen 7 PRO 6850U wins in Cinebench R23 single-core with a 3.4% margin, which is its only clear single-core victory. It ties in PassMark single-thread tests at 3234 points. Its wins are narrow but meaningful for single-threaded applications that rely on boost clock efficiency.

The 6850U's advantages extend beyond raw scores. Its integrated Radeon 680M graphics make it suitable for systems that need display output without a discrete GPU. Its 15 watt TDP makes it viable for fanless or low-power mobile designs. The 5800X3D cannot operate in such constraints, with its 105 watt TDP demanding substantial cooling.

For users building a desktop workstation focused on multi-threaded tasks, physics simulations, or data processing, the 5800X3D is the clear choice. For users selecting a mobile processor for a laptop where integrated graphics and low power consumption are required, the 6850U is the appropriate option. The single-core performance of the 6850U is competitive, and its average benchmark score of 28379 actually edges out the 5800X3D's 27896 in the database's aggregate metric.