AMD Ryzen 7 5705G vs Intel Core Ultra X9 388H Comparison

The Verdict

The Intel Core Ultra X9 388H is the clear performance leader in this comparison. The database shows it holds an 88th percentile ranking among all CPUs, while the AMD Ryzen 7 5705G sits at the 50th percentile. The Intel chip delivers an average benchmark score of 44,466, placing it nearly level with the AMD Ryzen 5 7500X3D (44,573, a 0.2% difference) and slightly ahead of the Intel Core i9-13950HX (44,342, a 0.3% margin).

The Ryzen 7 5705G has no recorded benchmark scores in the database, so direct numerical comparison is impossible. The Intel part, however, shows consistent strength across Cinebench R15, R20, and R23 tests, plus a full PassMark suite. The Core Ultra X9 388H targets mobile workloads with a 25 W TDP and a 5.10 GHz boost clock. The Ryzen 7 5705G targets desktop builds with a 65 W TDP and a 4.60 GHz boost. The data indicates the Intel chip suits users needing high multicore throughput in a power-constrained mobile package. The AMD chip suits desktop builders who prioritize socket compatibility and unlocked multipliers, though its performance profile lacks recorded measurements.

Architecture Differences

The two processors come from different design philosophies. The AMD Ryzen 7 5705G uses Zen 3 architecture on a 7 nm process from TSMC, with the Cezanne codename. It belongs to the 5000 series and the Ryzen 7 generation. The Intel Core Ultra X9 388H uses Panther Lake architecture on a 3 nm process from Intel's own foundry, belonging to the Core Ultra Series 3 and the Ultra X9 generation.

The AMD chip packs 8 cores and 16 threads, while the Intel chip has 16 cores and 16 threads. The Intel part uses a hybrid approach without hyperthreading, as evidenced by the equal core and thread counts. The AMD part uses simultaneous multithreading to double its thread count. The Intel chip's base clock is 2.10 GHz, rising to 5.10 GHz boost. The AMD chip runs at 3.80 GHz base and 4.60 GHz boost.

Cache hierarchies differ substantially. The AMD chip has 64 KB L1 per core, 512 KB L2 per core, and 16 MB L3. The Intel chip has 192 KB L1 per core, 3 MB L2 per core, and 18 MB shared L3. The Intel part also supports LPDDR5X memory with 153.6 GB/s bandwidth, while the AMD part uses DDR4 with 51.2 GB/s. The Intel chip features PCIe Gen 5 with 4 lanes, while the AMD chip has PCIe Gen 3 with 16 lanes. The Intel chip integrates Arc B390 graphics, while the AMD chip uses Radeon Graphics with 512 SP.

FAQ

Q: Which processor has more cores?

A: The Intel Core Ultra X9 388H has 16 cores, double the 8 cores of the AMD Ryzen 7 5705G. Both have 16 threads, meaning the AMD part relies on multithreading while the Intel part does not.

Q: What is the boost clock difference?

A: The Intel Core Ultra X9 388H boosts to 5.10 GHz, which is 0.50 GHz higher than the AMD Ryzen 7 5705G's 4.60 GHz boost.

Q: How do their TDP ratings compare?

A: The Intel Core Ultra X9 388H has a 25 W TDP, while the AMD Ryzen 7 5705G has a 65 W TDP. The Intel part is designed for mobile power efficiency.

Q: Which processor has a higher memory bandwidth?

A: The Intel Core Ultra X9 388H supports LPDDR5X memory with 153.6 GB/s bandwidth. The AMD Ryzen 7 5705G supports DDR4 with 51.2 GB/s, a threefold difference in theoretical bandwidth.

Q: Are both processors unlocked for overclocking?

A: No. The AMD Ryzen 7 5705G has an unlocked multiplier, while the Intel Core Ultra X9 388H is locked.

Q: What is the process node difference?

A: The Intel Core Ultra X9 388H uses a 3 nm process, while the AMD Ryzen 7 5705G uses a 7 nm process. The Intel chip is fabricated by Intel, the AMD chip by TSMC.

Specification Differences

The two processors differ across nearly every major specification field. The AMD Ryzen 7 5705G uses the AM4 socket, while the Intel Core Ultra X9 388H uses Intel BGA 2540. The AMD part is a desktop segment product, the Intel part is mobile.

Core and thread counts differ: 8 cores and 16 threads versus 16 cores and 16 threads. Base clocks are 3.80 GHz versus 2.10 GHz, while boost clocks are 4.60 GHz versus 5.10 GHz. TDP ratings are 65 W versus 25 W.

Cache sizes differ substantially. The AMD chip has 64 KB L1 per core, 512 KB L2 per core, and 16 MB L3. The Intel chip has 192 KB L1 per core, 3 MB L2 per core, and 18 MB shared L3. The Intel chip has more L1 per core by 128 KB, more L2 per core by 2.5 MB, and 2 MB more L3.

Memory support diverges: DDR4 for AMD, LPDDR5X for Intel. Memory bandwidth is 51.2 GB/s versus 153.6 GB/s. PCIe support is Gen 3 with 16 lanes for AMD, Gen 5 with 4 lanes for Intel. Integrated graphics are Radeon Graphics 512SP versus Arc B390.

The process node is 7 nm for AMD, 3 nm for Intel. The AMD chip has 10,700 million transistors and a die size of 180 mm², while the Intel chip has no recorded transistor or die size data. The AMD chip has an unlocked multiplier, the Intel chip does not. Release dates are 2025-02-23 for AMD and 2026-01-04 for Intel. The AMD part number is 100-000001800, the Intel part number is SA4QWQ9EK.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries between these two processors, and the AMD Ryzen 7 5705G has no recorded benchmark scores. The Intel Core Ultra X9 388H has a full benchmark suite, which provides reference points for its capabilities.

In Cinebench R15 multicore, the Intel chip scores 2,955 points. In R15 single-core, it scores 309.5. The R20 multicore score is 13,101, and R20 single-core is 1,849. The R23 multicore score reaches 18,911, with single-core at 2,200.5. These scores show progressive scaling across Cinebench versions, with multicore results roughly 4.4 to 8.6 times higher than single-core results.

PassMark tests show varied strengths. The data compression score is 361,763, while data encryption scores 28,490. Extended instructions score 29,943, and floating point math scores 112,550. Integer math scores 90,882, and multithread scores 36,811. Physics scores 3,226, random string sorting scores 44,010, and single thread scores 4,280. The find prime numbers score is 358.

The Intel chip's average benchmark score of 44,466 places it in the 88th percentile of all CPUs. Its nearest rivals include the AMD Ryzen 5 7500X3D at 44,573 (0.2% higher), the Intel Core i9-13950HX at 44,342 (0.3% lower), the AMD Ryzen AI Max 385 at 44,309 (0.4% lower), and the Intel Core i5-13600 at 44,240 (0.5% lower). These margins are narrow, indicating the Core Ultra X9 388H sits in a tightly contested performance band.

Where Each One Wins

The Intel Core Ultra X9 388H wins across all recorded benchmark categories because it is the only processor with measurements. Its 16 cores and 5.10 GHz boost clock drive strong multicore and single-core results. The 153.6 GB/s memory bandwidth from LPDDR5X support gives it a theoretical advantage in memory-intensive tasks. The 3 nm process node and 25 W TDP make it suitable for mobile platforms where power efficiency matters.

The AMD Ryzen 7 5705G wins on desktop flexibility. It uses the AM4 socket, which is a widely adopted desktop platform. The unlocked multiplier allows user-controlled overclocking. The 65 W TDP fits standard desktop cooling solutions. The 16 PCIe Gen 3 lanes provide more direct CPU PCIe connectivity than the Intel part's 4 Gen 5 lanes, though the Gen 5 standard offers higher per-lane bandwidth.

For users selecting between these two, the data points to the Intel chip for raw performance in a mobile form factor. Its 88th percentile ranking and benchmark scores across Cinebench and PassMark demonstrate measurable capability. The AMD chip, without recorded benchmarks, cannot be positioned on the same performance scale. The Intel chip's nearest rivals all score within 0.5% of its average, showing it competes at the top of its class. The AMD chip's 50th percentile ranking, based on its specification profile, places it in the middle of the overall CPU distribution. The choice depends on platform requirements: AM4 desktop builds with overclocking versus BGA 2540 mobile systems with high multicore throughput.