AMD Ryzen 7 PRO 9755 vs Intel Core Ultra 9 285 Comparison

The AMD Ryzen 7 PRO 9755 and the Intel Core Ultra 9 285 represent two very different philosophies for high-end x86 computing, yet the benchmark data places them in the same performance tier. With average benchmark scores of 75738 and 75488 respectively, the AMD part holds a razor-thin 0.3% lead over the Intel part, and both sit at the 95th percentile of all CPUs. However, looking only at the averages hides a stark reality: the Core Ultra 9 285 wins all 11 shared head-to-head benchmark tests, often by substantial margins. The Ryzen 7 PRO 9755 is the choice for those who need a compact, power-efficient workstation CPU with ECC memory support and a lower thermal footprint, while the Core Ultra 9 285 is the undisputed performance king for multi-threaded and compute-heavy workloads, provided you can accommodate its larger physical footprint and higher power draw.

The Verdict

The data is unambiguous about raw performance: the Intel Core Ultra 9 285 is the faster processor. It wins every single benchmark in the head-to-head comparison, with the largest victory being a 58.2% lead in floating-point math and the smallest being a 5.6% lead in single-threaded tests. If your priority is maximum throughput in rendering, scientific computing, or any workload that scales with cores and threads, the Core Ultra 9 285 is the obvious pick from these numbers alone.

The AMD Ryzen 7 PRO 9755, conversely, is not a performance competitor in this matchup; it is a capability and efficiency competitor. It matches the Intel part's average score within 0.3% while using only 8 cores and 16 threads compared to Intel's 24 cores and 24 threads, and it does so with a 120W TDP versus the Intel part's 65W TDP—a figure that suggests the AMD chip is clocked aggressively to stay relevant. Its primary advantages are architectural: it is built on the smaller 70.6 mm² die with 8,315 million transistors, whereas the Intel chip uses a 243 mm² die with 17,800 million transistors. For buyers who need a server/workstation-grade CPU that fits in an AM5 socket, supports ECC memory, and delivers 95th-percentile performance without requiring a massive cooler, the Ryzen 7 PRO 9755 is the logical choice. The Core Ultra 9 285 is for those who simply need the most compute power available, regardless of the physical and thermal cost.

Architecture Differences

The two processors diverge fundamentally in their core topology and manufacturing approach. The AMD Ryzen 7 PRO 9755 is a Granite Ridge part from the 9000 series, built on TSMC's 4nm process node. It features 8 cores and 16 threads, with a base clock of 3.80 GHz and a boost clock of 5.40 GHz. Its cache hierarchy includes 80 KB of L1 per core, 1 MB of L2 per core, and 32 MB of shared L3 cache. The chip uses the AMD Socket AM5 and supports dual-channel DDR5 memory with a bandwidth of 89.6 GB/s.

The Intel Core Ultra 9 285 is an Arrow Lake-S part from the Core Ultra Series 2, built on TSMC's 3nm process node. It features 24 cores and 24 threads—notably, it has no hyperthreading, meaning each core maps to one thread. Its base clock is 2.50 GHz, with a boost clock of 5.60 GHz. The cache configuration is significantly larger: 192 KB of L1 per core, 3 MB of L2 per core, and 36 MB of shared L3 cache. It uses the Intel Socket 1851 and supports dual-channel DDR5 with a higher memory bandwidth of 102.4 GB/s.

Both chips support ECC memory and PCIe Gen 5, but the AMD part has 24 CPU lanes versus the Intel part's 20 lanes. The integrated graphics also differ: AMD includes Radeon Graphics, while Intel includes Arc Xe-LPG Graphics with 64 execution units. The transistors and die size tell the story of complexity: Intel packs more than twice the transistors (17,800 million versus 8,315 million) onto a die over three times larger (243 mm² versus 70.6 mm²). The AMD part is unlocked? No—both have locked multipliers, meaning overclocking is not officially supported on either.

Head-to-Head Benchmarks

The head-to-head results are a clean sweep for Intel, so the analysis focuses on the magnitude of each victory. In multithreaded performance, the Core Ultra 9 285 scores 56602 against the Ryzen 7 PRO 9755's 38721, a 31.6% advantage. This is the most critical result for heavily parallel workloads. The floating-point math test shows the largest gap: Intel scores 194988 versus AMD's 81456, a 58.2% lead, indicating a massive advantage in scientific and engineering computations.

In integer math, the Intel part leads 164869 to 122411, a 25.8% margin. Data compression favors Intel 602121 to 467988, a 22.3% lead, while data encryption shows a 51.9% gap (46949 versus 22577), suggesting Intel's cryptographic throughput is far superior. The find-prime-numbers test shows Intel at 459 versus AMD's 197, a 57.1% advantage. Physics simulation scores 3598 for Intel versus 2257 for AMD, a 37.3% lead. Random string sorting has Intel ahead 73651 to 49326, a 33% margin.

Single-threaded performance is the closest contest. The Core Ultra 9 285 scores 4881 versus the Ryzen 7 PRO 9755's 4606, a 5.6% lead. This is notable because the AMD chip has a higher base clock (3.80 GHz versus 2.50 GHz) but a lower boost clock (5.40 GHz versus 5.60 GHz). The extended instructions test shows Intel ahead 45357 to 38976, a 14.1% margin. Across all 11 tests, the average delta is roughly 31%, but the data shows Intel's wins are consistent and rarely narrow.

FAQ

Q: Which CPU has the higher average benchmark score?

A: The AMD Ryzen 7 PRO 9755 has an average benchmark score of 75738, which is 0.3% higher than the Intel Core Ultra 9 285's 75488. Both are at the 95th percentile of all CPUs.

Q: Does the Intel Core Ultra 9 285 win every head-to-head test?

A: Yes. The head-to-head data shows the Intel part winning all 11 shared benchmark tests, with the largest margin being a 58.2% lead in floating-point math and the smallest being a 5.6% lead in single-threaded performance.

Q: What are the core and thread counts for each processor?

A: The AMD Ryzen 7 PRO 9755 has 8 cores and 16 threads. The Intel Core Ultra 9 285 has 24 cores and 24 threads, with no hyperthreading.

Q: Which processor has a smaller physical die?

A: The AMD Ryzen 7 PRO 9755 has a die size of 70.6 mm², while the Intel Core Ultra 9 285 has a die size of 243 mm². The AMD part also uses fewer transistors (8,315 million versus 17,800 million).

Q: Do both processors support ECC memory and PCIe Gen 5?

A: Yes, both support ECC memory and PCIe Gen 5. However, the AMD part provides 24 CPU lanes, while the Intel part provides 20 CPU lanes.

Q: What is the TDP of each CPU?

A: The AMD Ryzen 7 PRO 9755 has a TDP of 120W, while the Intel Core Ultra 9 285 has a TDP of 65W. Despite the lower TDP, the Intel part delivers significantly higher performance in all head-to-head benchmarks.

Where Each One Wins

The Intel Core Ultra 9 285 wins in every measurable performance category from the data. Its most dominant wins are in floating-point math (58.2% ahead), find-prime-numbers (57.1% ahead), and data encryption (51.9% ahead). These results point to workloads that are heavily dependent on raw computational throughput, such as scientific simulations, cryptographic processing, and complex mathematical modeling. The 31.6% multithreaded lead and 25.8% integer math advantage make it the clear choice for video rendering, code compilation, and any task that can utilize 24 cores. The 5.6% single-thread lead also means it is slightly better for legacy or lightly-threaded applications, though the margin is small enough that most users would not notice a difference in everyday use.

The AMD Ryzen 7 PRO 9755 wins in the categories that matter for system integration and operational efficiency. Its 70.6 mm² die and 8,315 million transistors suggest a more power-dense design that fits into the AM5 platform, which is shared with more mainstream AMD processors. The 120W TDP, while higher than the Intel part's 65W, is paired with a lower base clock (3.80 GHz versus 2.50 GHz), indicating a design that prefers to boost to 5.40 GHz for short bursts rather than sustain high all-core loads. Its 24 PCIe Gen 5 lanes provide more expansion capacity than the Intel part's 20 lanes, which is relevant for multi-GPU or high-speed storage configurations. For a server or workstation where ECC memory is mandatory and physical space is at a premium, the Ryzen 7 PRO 9755 offers 95th-percentile performance without the massive silicon footprint of the Intel part.

Specification Differences

The two processors differ on nearly every specification that matters. The AMD Ryzen 7 PRO 9755 uses 8 cores and 16 threads, while the Intel Core Ultra 9 285 uses 24 cores and 24 threads. The AMD part has a base clock of 3.80 GHz and a boost clock of 5.40 GHz, whereas the Intel part has a base clock of 2.50 GHz and a boost clock of 5.60 GHz. The TDP is 120W for AMD and 65W for Intel.

The sockets are incompatible: AMD uses Socket AM5, while Intel uses Socket 1851. The process nodes differ, with AMD on 4nm and Intel on 3nm, both from TSMC. The transistor count is 8,315 million for AMD and 17,800 million for Intel, with die sizes of 70.6 mm² and 243 mm² respectively. The cache configurations are distinct: AMD has 80 KB L1 per core, 1 MB L2 per core, and 32 MB shared L3; Intel has 192 KB L1 per core, 3 MB L2 per core, and 36 MB shared L3. Memory bandwidth favors Intel at 102.4 GB/s versus AMD's 89.6 GB/s, though both support dual-channel DDR5 and ECC. PCIe lanes favor AMD at 24 versus Intel's 20, both Gen 5. The integrated graphics are Radeon Graphics for AMD and Arc Xe-LPG Graphics 64EU for Intel. Finally, the release dates differ significantly: AMD's is listed as 2026-06-29, while Intel's is 2024-12-31, and only the Intel part has a launch MSRP of $579.