AMD Ryzen 7 5800X vs AMD Ryzen 7 PRO 5755GE Comparison

The AMD Ryzen 7 PRO 5755GE and the AMD Ryzen 7 5800X are both 8-core Zen 3 parts on the AM4 socket, but they are engineered for entirely different missions. The data reveals a stark split: the 5800X dominates in raw compute throughput and legacy workloads, while the PRO 5755GE posts surprising victories in the latest Cinebench iterations. This analysis breaks down exactly where each chip excels based purely on the benchmark results.

Head-to-Head Benchmarks

The most dramatic result in the entire comparison is in Cinebench R23 single-core, where the Ryzen 7 PRO 5755GE scores 2507 against the 5800X’s 1574.5. That is a 59.2% advantage for the PRO chip—a massive margin that flips the expected hierarchy. The PRO 5755GE also wins Cinebench R23 multi-core, scoring 17759 versus 15476, a 14.8% lead. These are not minor victories; they suggest the PRO’s boost behavior and architecture tuning deliver superior performance in this specific, modern rendering workload.

Outside of those two wins, the Ryzen 7 5800X is the clear victor. In Cinebench R15, the 5800X scores 2608.5 multi-core and 265.5 single-core, against the PRO’s 1789 and 252, translating to 31.4% and 5.1% leads respectively. The 5800X’s advantage widens substantially in PassMark’s compute suite. Its data compression score of 345414 crushes the PRO’s 252937, a 26.8% gap. Data encryption shows a 20.1% lead (21191 vs 16937), and extended instructions favor the 5800X by 27.8% (23573 vs 17029).

The most lopsided result is in PassMark’s find prime numbers test, where the 5800X scores 124 versus the PRO’s 50—a staggering 59.7% difference. Physics simulation also heavily favors the 5800X, with a score of 1364 against 841, a 38.3% margin. Floating-point math (52639 vs 46589) and integer math (94969 vs 84004) both show an 11.5% edge for the 5800X. The multi-threaded PassMark score is 27732 for the 5800X versus 20870 for the PRO, a 24.7% lead, while random string sorting goes to the 5800X by 22.7% (35401 vs 27373). Even in single-threaded PassMark, the 5800X wins, albeit narrowly, at 3445 versus 3353 (2.7%).

The overall win tally is decisive: the 5800X wins 13 of the 15 head-to-head tests, with the PRO 5755GE taking only 2. However, the PRO’s two wins are in the most modern Cinebench R23 tests, which are often considered more representative of current software workloads. The average benchmark scores reflect this split: the PRO 5755GE averages 29656, while the 5800X averages 29123, placing the 5800X slightly behind despite its test-win dominance. Both CPUs sit at the 81st percentile among all CPUs, yet their nearest rivals differ—the PRO is within 0.7% of the Ryzen 7 3800X and Ryzen AI 7 345, while the 5800X trades blows with Intel’s Core Ultra 5 135H and Core i5-13500HX.

Architecture Differences

The two processors share the same Zen 3 architecture, 7nm TSMC process, and AM4 socket, but their physical designs diverge significantly. The Ryzen 7 PRO 5755GE is built on the Cezanne die, packing 10,700 million transistors into a 180 mm² die size. In contrast, the Ryzen 7 5800X uses the Vermeer die, with only 4,150 million transistors on a much smaller 74 mm² die. This explains the massive difference in thermal design power: the PRO 5755GE is rated at 35W TDP, while the 5800X is a 105W part.

Clock speeds also differ, with the 5800X running at 3.80 GHz base and 4.70 GHz boost, versus the PRO’s 3.20 GHz base and 4.60 GHz boost. The 5800X has double the L3 cache at 32 MB compared to the PRO’s 16 MB, while both share 64 KB L1 and 512 KB L2 per core. The PRO 5755GE compensates with an integrated Radeon Vega 8 GPU, which the 5800X lacks entirely—the latter requires a discrete graphics card.

Memory support is identical: both use DDR4 over a dual-channel bus with 51.2 GB/s bandwidth. However, the 5800X supports ECC memory, while the PRO 5755GE does not. PCIe connectivity is another key split: the 5800X offers Gen 4 with 20 lanes, while the PRO is limited to Gen 3 with 16 lanes. The 5800X is also multiplier-unlocked for overclocking, whereas the PRO 5755GE is locked. The 5800X launched with an MSRP of $449; the PRO 5755GE has no listed launch MSRP.

The Verdict

Benchmark results indicate a clear performance hierarchy, but the winner depends entirely on workload relevance. The Ryzen 7 5800X is the superior processor for almost every compute-intensive task measured here. Its 31.4% lead in Cinebench R15 multi-core and 59.7% lead in prime number finding are decisive. For users running legacy benchmarks, data compression, encryption, physics simulations, or any PassMark workload, the 5800X is the unequivocal choice. The 5800X’s higher clocks (3.80/4.70 GHz), larger 32 MB L3 cache, and 105W TDP envelope directly enable these wins.

However, the Ryzen 7 PRO 5755GE is not a weak chip—it wins the two tests that matter most for contemporary rendering. Its 59.2% single-core lead in Cinebench R23 is extraordinary, and its 14.8% multi-core win in the same suite shows it can outperform the 5800X in modern threaded workloads. This is despite its 35W TDP and lower clocks, suggesting the Cezanne die’s integrated design offers efficiency advantages that translate to performance in certain scenarios.

The data suggests the 5800X is for users who prioritize raw throughput in traditional desktop workloads, especially where higher TDP and cache size are beneficial. The PRO 5755GE is for those who need the latest Cinebench performance, integrated graphics capability, and far lower power consumption, all while maintaining competitive average scores. The 5800X’s lower average benchmark score (29123 vs 29656) despite winning 13 tests is a statistical quirk driven by its poor R23 performance, which carries significant weight in the average.

FAQ

Q: Which CPU has a higher single-core score in Cinebench R23?

A: The AMD Ryzen 7 PRO 5755GE scores 2507, which is 59.2% higher than the Ryzen 7 5800X’s score of 1574.5.

Q: How do the two chips compare in PassMark multi-threaded performance?

A: The Ryzen 7 5800X leads with a score of 27732, which is 24.7% higher than the PRO 5755GE’s score of 20870.

Q: Do both processors support the same memory type?

A: Yes, both support DDR4 memory over a dual-channel bus with identical 51.2 GB/s bandwidth, but the 5800X additionally supports ECC memory while the PRO 5755GE does not.

Q: What is the difference in thermal design power between the two?

A: The Ryzen 7 PRO 5755GE is rated at 35W TDP, while the Ryzen 7 5800X is rated at 105W TDP—a 70W difference.

Q: Which CPU has integrated graphics?

A: Only the AMD Ryzen 7 PRO 5755GE has integrated graphics, featuring a Radeon Vega 8 GPU. The Ryzen 7 5800X has no integrated graphics.

Q: What are the L3 cache sizes for each processor?

A: The Ryzen 7 5800X has 32 MB of L3 cache, which is double the 16 MB found in the Ryzen 7 PRO 5755GE.

Where Each One Wins

AMD Ryzen 7 5800X — Raw Compute and Legacy Workloads:

The 5800X is the definitive winner in 13 of 15 benchmark tests. Its largest margins come in prime number finding (59.7% ahead), physics simulation (38.3% ahead), and Cinebench R15 multi-core (31.4% ahead). Data compression, encryption, extended instructions, and both floating-point and integer math all favor the 5800X by margins between 11.5% and 27.8%. This makes it the superior choice for number crunching, data-heavy tasks, and any workload that scales with the larger 32 MB L3 cache and 105W TDP. Its higher base clock (3.80 GHz vs 3.20 GHz) and boost clock (4.70 GHz vs 4.60 GHz) contribute to its single-threaded PassMark win, albeit a narrow one at 2.7%. The 5800X also offers PCIe Gen 4 support with 20 lanes, ECC memory, and an unlocked multiplier for overclocking.

AMD Ryzen 7 PRO 5755GE — Modern Rendering and Efficiency:

The PRO 5755GE wins the two most important modern benchmarks. Its 59.2% lead in Cinebench R23 single-core is the largest victory in the entire comparison, and its 14.8% multi-core win in the same suite proves it can handle contemporary rendering workloads better than the 5800X. This is achieved at a 35W TDP, which is one-third of the 5800X’s 105W rating. The PRO also includes a Radeon Vega 8 integrated GPU, eliminating the need for a discrete graphics card in basic systems. Its Cezanne die, with 10,700 million transistors on 180 mm², contrasts sharply with the 5800X’s smaller Vermeer die, yet delivers superior results in the R23 tests. For users running the latest Cinebench versions or requiring integrated graphics and low power draw, the PRO 5755GE is the data-backed pick.