AMD Ryzen 5 7645HX vs Intel Core i7-13700HX Comparison

The Verdict

The Intel Core i7-13700HX and AMD Ryzen 5 7645HX are both 84th percentile mobile processors, yet they serve very different workloads. The data shows a clear split: the Intel part wins 11 of the 15 head-to-head benchmark comparisons, while the AMD chip secures 4 wins. The Intel Core i7-13700HX is the pick for users who prioritize heavy multi-threaded workloads, content creation, and math-heavy tasks. Its 16 cores and 24 threads provide a massive parallel processing advantage. The AMD Ryzen 5 7645HX, with 6 cores and 12 threads, is the choice for users who want strong single-thread performance and superior efficiency in prime-number finding. The Intel chip holds a 46.4% lead in Cinebench R23 multi-core, while the AMD chip leads by 5.9% in Cinebench R15 single-core. The Intel part also has a 76% advantage in floating-point math, a 50.6% lead in integer math, and a 29.9% edge in data compression. The AMD part counters with a 30.3% win in find prime numbers and a 2.3% edge in PassMark single-thread scores. For most users, the Intel Core i7-13700HX is the better all-rounder. The AMD Ryzen 5 7645HX is the pick for those who prioritize single-thread responsiveness and lower power draw, with a 45 W TDP versus Intel's 55 W.

Where Each One Wins

The Intel Core i7-13700HX dominates in multi-core and parallel workloads. Its 16 cores and 24 threads crush the AMD Ryzen 5 7645HX's 6 cores and 12 threads. In Cinebench R23 multi-core, Intel scores 20479 against AMD's 13985, a 46.4% advantage. In Cinebench R15 multi-core, Intel scores 3277 against AMD's 2276, a 44% lead. The Intel chip also wins PassMark's multithread test with 32637 versus 26476, a 23.3% margin. For floating point math, Intel scores 85863 against AMD's 48798, a 76% blowout. Integer math also favors Intel, with 116617 versus 77432, a 50.6% lead. Data compression goes to Intel with 392725 versus 302256, a 29.9% win. Data encryption also favors Intel: 22386 versus 17900, a 25.1% edge. Physics tests show Intel at 1908 versus AMD's 1497, a 27.5% victory. Random string sorting goes to Intel with 41717 versus 34434, a 21.2% lead. Extended instructions favor Intel as well, 24127 versus 22969, a 5% win.

The AMD Ryzen 5 7645HX wins in single-thread performance and efficiency. In Cinebench R15 single-core, AMD scores 289 against Intel's 272, a 5.9% lead. In PassMark single-thread, AMD scores 3907 against Intel's 3819, a 2.3% advantage. The biggest AMD win is in find prime numbers: 178 versus 124, a 30.3% margin. The AMD chip also wins Cinebench R23 single-core by a smaller margin, 1809 versus 1875? No, that is an Intel win. Correcting: Intel wins Cinebench R23 single-core with 1875 against AMD's 1809, a 3.6% lead. So AMD wins two single-thread tests (Cinebench R15 and PassMark), plus the prime number test, which is a single-thread-heavy workload. AMD's architecture is more efficient per core, and its 5 nm process node from TSMC compared to Intel's 10 nm process node explains some of this. The AMD chip also has a higher base clock at 4.00 GHz versus Intel's 2.10 GHz, while both boost to 5.00 GHz.

Architecture Differences

The Intel Core i7-13700HX uses Raptor Lake architecture, with a process node labeled 10 nm from Intel's own foundry. It has 16 cores and 24 threads. Its cache structure includes 80 KB of L1 per core, 2 MB of L2 per core, and 30 MB of shared L3. The die size is 257 mm². The AMD Ryzen 5 7645HX uses Zen 4 architecture under the Dragon Range codename, built on a 5 nm process node at TSMC. It has 6 cores and 12 threads. The AMD chip has 64 KB of L1 per core, 1 MB of L2 per core, and 32 MB of shared L3. Its die size is 71 mm², and it packs 6,570 million transistors. The Intel chip has no listed transistor count but its die is larger. The AMD die is much smaller, 71 mm² versus 257 mm², reflecting the denser 5 nm process.

Both CPUs support ECC memory and dual-channel memory. The Intel part supports DDR4 and DDR5, while the AMD part supports DDR5 only. The AMD chip has a memory bandwidth of 83.2 GB/s, while Intel does not list a bandwidth figure. For PCIe, the AMD chip offers Gen 5 with 28 lanes (CPU only), while Intel offers Gen 5 with 20 lanes (CPU only). The Intel part has integrated graphics as UHD Graphics 770, while AMD has Radeon 610M. The Intel chip has an unlocked multiplier, while the AMD chip does not. Both have the same release date, 2023-01-03. The Intel launch MSRP is $485. The AMD part has no launch MSRP listed in the database.

The Intel part has a TDP of 55 W, while the AMD part has a TDP of 45 W. The AMD chip has a higher base clock of 4.00 GHz versus Intel's 2.10 GHz, but both boost to 5.00 GHz. The Intel has more cores (16 versus 6) and threads (24 versus 12). The Intel has a larger L2 cache per core (2 MB versus 1 MB), but AMD has a larger shared L3 (32 MB versus 30 MB). The Intel has a 80 KB L1 per core, AMD has 64 KB. The Intel uses Intel BGA 1964 socket, while AMD uses AMD Socket FL1.

FAQ

Q: Which CPU is faster in multi-core workloads?

A: The Intel Core i7-13700HX is significantly faster. It wins Cinebench R23 multi-core with 20479 versus AMD's 13985, a 46.4% lead. It also wins Cinebench R15 multi-core with 3277 versus 2276, a 44% lead.

Q: Which CPU is faster in single-threaded tasks?

A: The AMD Ryzen 5 7645HX wins the Cinebench R15 single-core test with 289 versus Intel's 272, a 5.9% lead. It also wins PassMark single-thread with 3907 versus 3819, a 2.3% lead. The Intel wins Cinebench R23 single-core with 1875 versus 1809, a 3.6% lead, so it is mixed.

Q: How do they compare in terms of power consumption?

A: The AMD Ryzen 5 7645HX has a lower TDP of 45 W, while the Intel Core i7-13700HX has a TDP of 55 W. The AMD chip also has a smaller die size of 71 mm² versus 257 mm² and uses a 5 nm process from TSMC, indicating higher efficiency.

Q: What is the difference in core counts?

A: The Intel Core i7-13700HX has 16 cores and 24 threads. The AMD Ryzen 5 7645HX has 6 cores and 12 threads. The Intel has 10 more cores and 12 more threads.

Q: Do both support ECC memory?

A: Yes, both the Intel Core i7-13700HX and the AMD Ryzen 5 7645HX support ECC memory.

Q: Which CPU has more PCIe lanes?

A: The AMD Ryzen 5 7645HX has 28 PCIe Gen 5 lanes (CPU only), while the Intel Core i7-13700HX has 20 PCIe Gen 5 lanes (CPU only).

Head-to-Head Benchmarks

The largest victory for Intel is in floating point math. The Intel scores 85861 against AMD's 48798, a 76% lead. This is a massive gap, reflecting the Intel's 16 cores versus 8 cores. Integer math also shows a 50.6% lead for Intel, with 116617 against 77432. In data compression, Intel wins with 392725 versus 302256, a 29.9% edge. Data encryption also goes to Intel: 22386 versus 17900, a 25.1% lead. The Cinebench R23 multi-core test shows Intel at 20479 versus AMD's 13985, a 46.4% margin. Cinebench R15 multi-core has Intel at 3277 versus 2276, a 44% win. PassMark multithread, Intel wins 32637 versus 26476, a 23.3% lead. Physics, Intel wins with 1908 versus 1497, a 27.5% edge. Random string sorting, Intel wins with 41717 versus 34434, a 21.2% lead. Extended instructions, Intel wins with 24183 versus 22969, a 5% lead.

The AMD's best win is in find prime numbers, where it scores 178 against Intel's 124, a 30.3% lead. This is a single-thread-heavy workload, and the AMD's 4.00 GHz base clock and higher single-thread score (3907 versus 3819 in PassMark) explain this. In Cinebench R15 single-core, AMD wins with 289 versus 272, a 5.9% lead. In PassMark single-thread, AMD wins with 3907 versus 3819, a 2.3% lead. The Intel wins Cinebench R23 single-core with 1875 versus 1809, a 3.6% lead, so the two are close in single-thread.

The Intel leads in 11 of 15 tests, and the AMD in 4. The Intel's wins are mostly in multi-threaded and math-heavy tests, with margins as high as 76%. The AMD's wins are in single-thread and prime-number tests, with margins up to 30.3%. The data shows the Intel is the stronger performer overall, but the AMD offers efficiency advantages and wins in specific single-thread tasks.

The Intel has a 0.2% average score advantage over its nearest rival, the Intel Core Ultra 5 336H, and a 0.6% lead over the Core i5-13450HX. The AMD Ryzen 5 7645HX has a 0.4% lead over the AMD Ryzen 5 240, and a 0.4% lead over the Intel Core Ultra 7 255H. Both are in the same performance tier, but the Intel has more raw multi-thread power. The Intel's launch MSRP is $485, which is the only price figure in the database.