AMD Ryzen 7 5705G vs Intel Core Ultra 9 285 Comparison

FAQ

Q: How do the core counts compare between the AMD Ryzen 7 5705G and the Intel Core Ultra 9 285?

A: The AMD Ryzen 7 5705G has 8 cores and 16 threads, while the Intel Core Ultra 9 285 has 24 cores and 24 threads. The Intel part also carries a higher boost clock at 5.60 GHz compared to 4.60 GHz for the AMD.

Q: Which processor supports faster memory bandwidth?

A: The Intel Core Ultra 9 285 supports DDR5 memory with a bandwidth of 102.4 GB/s, while the AMD Ryzen 7 5705G uses DDR4 with 51.2 GB/s. The Intel part doubles the memory bandwidth on paper.

Q: What is the process node difference between the two chips?

A: The AMD Ryzen 7 5705G is built on a 7 nm process at TSMC, while the Intel Core Ultra 9 285 uses a 3 nm process, also at TSMC. The Intel chip integrates 17,800 million transistors versus 10,700 million for the AMD.

Q: Does the Intel Core Ultra 9 285 support ECC memory?

A: Yes, the Intel Core Ultra 9 285 supports ECC memory. The AMD Ryzen 7 5705G does not list ECC support in the recorded data.

Q: Which processor has a higher PCIe generation and lane count?

A: The Intel Core Ultra 9 285 provides PCIe Gen 5 with 20 lanes from the CPU, whereas the AMD Ryzen 7 5705G offers PCIe Gen 3 with 16 lanes from the CPU.

Q: What is the launch MSRP for the Intel Core Ultra 9 285?

A: The launch MSRP for the Intel Core Ultra 9 285 is $579. The AMD Ryzen 7 5705G has no launch MSRP recorded in the database.

Architecture Differences

The two processors come from different design generations and target different platform ecosystems. The AMD Ryzen 7 5705G belongs to the 5000 series, uses the Zen 3 architecture, and is codenamed Cezanne. The Intel Core Ultra 9 285 uses the Arrow Lake architecture, specifically Arrow Lake-S, and is part of the Core Ultra Series 2.

The manufacturing process separates the two clearly. AMD uses a 7 nm node from TSMC with a die size of 180 mm². Intel uses a 3 nm node, also from TSMC, with a die size of 243 mm². The transistor count scales accordingly: 10,700 million for the AMD chip versus 17,800 million for the Intel chip.

Cache hierarchies differ significantly. The AMD Ryzen 7 5705G has 64 KB of L1 cache per core, 512 KB of L2 per core, and 16 MB of L3. The Intel Core Ultra 9 285 has 192 KB of L1 per core, 3 MB of L2 per core, and 36 MB of shared L3. The Intel part offers substantially more L3 cache, which can benefit workloads with large working sets.

The integrated graphics also differ. AMD pairs the CPU with Radeon Graphics with 512 shader processors. Intel includes Arc Xe-LPG Graphics with 64 execution units. Both provide desktop-class iGPU output, but the architectures are completely different.

Memory support separates the platforms. AMD uses DDR4 with dual-channel operation. Intel uses DDR5 with dual-channel operation. The memory bandwidth figures reflect this: 51.2 GB/s for AMD and 102.4 GB/s for Intel.

The sockets are incompatible. AMD uses Socket AM4, while Intel uses Socket 1851. The AMD part has an unlocked multiplier, while the Intel part does not. PCIe support also differs, with Intel providing Gen 5 and 20 lanes versus AMD's Gen 3 and 16 lanes.

Where Each One Wins

The Intel Core Ultra 9 285 dominates threaded workloads because of its core count advantage. With 24 cores versus 8, it has three times the core count. The benchmark data supports this: the Intel chip scores 48,945 in Cinebench R23 multicore, a result that places it at the 95th percentile among all CPUs in the database. Its nearest rivals in the database include the AMD EPYC 8224P at 75,582 average score (0.1% behind), the AMD EPYC 4545P at 75,373 (0.2% behind), and the AMD Ryzen 7 PRO 9755X3D at 75,716 (0.3% behind). The Intel part sits in a tight cluster of high-end desktop and server processors.

The Intel Core Ultra 9 285 also wins decisively in single-thread performance. Its Cinebench R23 single-core score of 6,909 and PassMark single-thread score of 4,881 reflect the higher 5.60 GHz boost clock and newer architecture. The AMD Ryzen 7 5705G has no recorded benchmarks in the database, so direct comparisons rely on the Intel data and the architectural specifications.

The AMD Ryzen 7 5705G offers a lower-power, simpler platform. Its 65 W TDP matches the Intel part's 65 W TDP, but the AMD chip uses DDR4 and PCIe Gen 3, which can be easier to integrate into existing AM4 boards. The AMD chip also has an unlocked multiplier, allowing overclocking on supported boards, while the Intel chip is locked.

For users with an existing AM4 platform, the AMD Ryzen 7 5705G provides a path to 8 cores and 16 threads with Radeon integrated graphics. The Intel Core Ultra 9 285 requires a new Socket 1851 board and DDR5 memory, which changes the platform cost and compatibility picture.

Specification Differences

The two processors differ across nearly every major specification field.

• Cores: AMD 8, Intel 24
• Threads: AMD 16, Intel 24
• Base clock: AMD 3.80 GHz, Intel 2.50 GHz
• Boost clock: AMD 4.60 GHz, Intel 5.60 GHz
• TDP: Both 65 W
• Socket: AMD Socket AM4, Intel Socket 1851
• Architecture: Zen 3, Arrow Lake
• Process node: 7 nm, 3 nm
• Transistors: 10,700 million, 17,800 million
• Die size: 180 mm², 243 mm²
• L1 cache (per core): 64 KB, 192 KB
• L2 cache (per core): 512 KB, 3 MB
• L3 cache: 16 MB, 36 MB shared
• Memory support: DDR4, DDR5
• Memory bandwidth: 51.2 GB/s, 102.4 GB/s
• ECC memory: No, Yes
• PCIe: Gen 3 16 lanes, Gen 5 20 lanes
• Integrated graphics: Radeon Graphics 512SP, Arc Xe-LPG Graphics 64EU
• Multiplier unlocked: Yes, No
• Release date: 2025-02-23, 2024-12-31
• Launch MSRP: None recorded, $579

The base clock favors AMD at 3.80 GHz versus 2.50 GHz, but the Intel boost clock reaches 5.60 GHz. The Intel part also supports ECC memory, which the AMD part does not. The PCIe generation gap is substantial: Gen 5 versus Gen 3. The L3 cache difference is also large at 36 MB versus 16 MB.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark entries between the AMD Ryzen 7 5705G and the Intel Core Ultra 9 285. The AMD part has no recorded benchmark scores, while the Intel part has a full set of Cinebench and PassMark results.

The Intel Core Ultra 9 285 produces strong multicore results. In Cinebench R23 multicore, it scores 48,945. In Cinebench R20 multicore, it scores 20,556. In Cinebench R15 multicore, it scores 4,933. The PassMark multithread score is 56,602, and the PassMark physics score is 3,598.

Single-thread results for the Intel chip are equally strong. Cinebench R23 single-core scores 6,909, Cinebench R20 single-core scores 2,901, and Cinebench R15 single-core scores 696. PassMark single-thread scores 4,881. These numbers reflect the 5.60 GHz boost clock and the Arrow Lake architecture.

PassMark workload-specific results for the Intel chip show where the architecture excels. Data compression scores 602,121, data encryption scores 46,949, and extended instructions score 45,357. Floating point math scores 194,988, integer math scores 164,869, and find prime numbers scores 459. Random string sorting scores 73,651.

The average benchmark score for the Intel Core Ultra 9 285 is 75,488, placing it at the 95th percentile among all CPUs. Its nearest rivals in the database are all AMD server and PRO processors. The AMD EPYC 8224P averages 75,582, which is 0.1% ahead of the Intel chip. The AMD EPYC 4545P averages 75,373, 0.2% behind. The AMD Ryzen 7 PRO 9755X3D averages 75,716, 0.3% ahead. The AMD Ryzen 7 PRO 9755 averages 75,738, 0.3% ahead. The Intel chip sits within a narrow performance band of these four rivals.

Because the AMD Ryzen 7 5705G has no recorded benchmark scores, the database cannot quantify its performance against the Intel part. The specification comparison shows the Intel chip holds advantages in core count, boost clock, cache capacity, memory bandwidth, PCIe generation, and process node. The AMD chip counters with a higher base clock, an unlocked multiplier, and a mature AM4 platform. The Intel Core Ultra 9 285 is positioned at the 95th percentile of all CPUs, while the AMD Ryzen 7 5705G is at the 50th percentile, though that percentile reflects the absence of recorded scores rather than measured performance.