AMD Ryzen 7 7700X vs Intel Core i9-12900HX Comparison

Head-to-Head Benchmarks

The recorded data shows a clear split between the AMD Ryzen 7 7700X and the Intel Core i9-12900HX. The AMD part wins 15 of the 21 head-to-head comparisons, while the Intel part takes 6. The margins, however, tell a more nuanced story than the raw win count.

Starting with the AMD Ryzen 7 7700X, its most dominant victory comes in the PassMark extended instructions test. The AMD chip scores 32033 against the Intel chip's 24315, a 31.7% advantage. That is the largest single delta in the entire comparison. The PassMark find prime numbers test shows a similar pattern, with AMD at 180 versus Intel at 132, a 36.4% lead. These two results suggest the Zen 4 architecture handles specialized instruction workloads with considerable efficiency.

Single-thread performance is another area where AMD holds a consistent edge. In the Cinebench R15 single-core test, the Ryzen 7 7700X scores 315 against 278 for the Core i9-12900HX, a 13.3% margin. The PassMark single-thread test shows 4190 versus 3745, an 11.9% lead. The 3DMark single-thread test also favors AMD, 1090 to 1026, a 6.2% gap. Even in Cinebench R23 single-core, where the margin is smaller, AMD still leads with 1987 versus 1912.5, a 3.9% advantage.

The memory and data-oriented workloads also lean toward AMD. In PassMark data encryption, the Ryzen 7 7700X posts 24732 against 22932, a 7.8% lead. PassMark data compression shows 420240 versus 400636, a 4.9% ahead. Random string sorting goes to AMD by 13.5%, with scores of 49782 and 43877 respectively.

The Intel Core i9-12900HX, meanwhile, takes the heavyweight multi-threaded workloads. The biggest win is in Cinebench R23 multicore, where Intel scores 23150 against 19088, a 17.5% margin. Cinebench R15 multicore also goes to Intel, 3566 versus 3113.5, a 12.7% lead. PassMark floating point math is another Intel win, 84410 against 68986, an 18.3% advantage. These results align with the Intel part's higher core and thread counts.

The 3DMark max threads test is close but goes to Intel, 9067 versus 8852, a 2.4% margin. PassMark integer math is nearly even, with Intel at 113416 against 112601, a 0.7% edge. PassMark physics is essentially a tie, 2012 versus 2007, a 0.2% difference.

Notably, AMD wins every 3DMark test below max threads. The 16-thread test goes 8859 to 8077, a 9.7% lead; the 8-thread test goes 7057 to 6461, a 9.2% lead; the 4-thread test goes 4074 to 3729, a 9.3% lead; and the 2-thread test goes 2112 to 1994, a 5.9% lead. PassMark multithread also favors AMD, 35686 versus 33158, a 7.6% advantage.

The Verdict

Based strictly on the recorded data, the AMD Ryzen 7 7700X is the better choice for users whose workloads involve single-threaded tasks, encryption, compression, extended instruction sets, or moderate thread counts up to 16 cores. Its 15 wins out of 21 comparisons, combined with margins as large as 36.4% in prime number finding, make it the more versatile processor in this pairing.

The Intel Core i9-12900HX should be selected when maximum multi-core throughput is the priority. Its 17.5% lead in Cinebench R23 multicore and 18.3% lead in floating point math are substantial. Users running heavily parallel workloads that scale beyond 16 threads will see meaningful gains from the Intel part.

The average benchmark scores reflect this split. The AMD Ryzen 7 7700X has an average score of 35909 across all tests, while the Intel Core i9-12900HX sits at 35003. The AMD part also ranks at the 85th percentile among all CPUs, with the Intel part at the 84th percentile. The nearest rivals for the AMD chip include the AMD Ryzen 7 PRO 5845 at 35802 (0.3% behind) and the Intel Core 7 250H at 35728 (0.5% behind). The Intel chip's nearest rivals include the Intel Core i5-14500HX at 35094 (0.3% ahead) and the Intel Core i7-13800H at 34988 (essentially tied).

For a desktop user with access to the AM5 platform, the Ryzen 7 7700X is the stronger overall performer. For a mobile user who needs sustained multi-core compute, the Core i9-12900HX is the one to pick.

Architecture Differences

The two processors come from fundamentally different design philosophies. The AMD Ryzen 7 7700X uses the Zen 4 architecture, codenamed Raphael, built on a 5 nm process at TSMC. The Intel Core i9-12900HX uses the Alder Lake architecture, codenamed Alder Lake-HX, built on a 10 nm process at Intel.

The core counts differ significantly. The AMD part has 8 cores and 16 threads. The Intel part has 16 cores and 24 threads. This explains the Intel advantage in high-thread-count benchmarks like Cinebench R23 multicore.

Cache layouts also differ. The AMD Ryzen 7 7700X has 64 KB of L1 cache per core, 1 MB of L2 per core, and 32 MB of shared L3 cache. The Intel Core i9-12900HX has 80 KB of L1 per core, 1.25 MB of L2 per core, and 30 MB of shared L3 cache. The AMD part has slightly more L3, while the Intel part has more L1 and L2 per core.

Clock speeds tell a different story. The AMD part has a base clock of 4.50 GHz and a boost clock of 5.40 GHz. The Intel part has a base clock of 2.30 GHz and a boost clock of 5.00 GHz. The AMD chip's higher clocks contribute to its single-thread dominance.

Memory support differs as well. The AMD part supports DDR5 only, with dual-channel memory and a bandwidth of 83.2 GB/s. The Intel part supports both DDR4 and DDR5, also dual-channel, but no bandwidth figure is recorded. Both support ECC memory.

PCIe lanes also differ. The AMD part provides Gen 5 with 24 lanes from the CPU, while the Intel part provides Gen 5 with 20 lanes. The integrated graphics differ: AMD uses Radeon Graphics, while Intel uses UHD Graphics 770.

The die sizes are notably different. The AMD chip has a die size of 71 mm², while the Intel chip measures 215 mm². Transistor counts are recorded only for AMD at 6,570 million. The Intel part is listed as a mobile segment chip with a TDP of 55, while the AMD part is a desktop chip with a TDP of 105.

FAQ

Q: Which processor has the higher boost clock?

A: The AMD Ryzen 7 7700X has a boost clock of 5.40 GHz, while the Intel Core i9-12900HX has a boost clock of 5.00 GHz.

Q: How do the two chips compare in Cinebench R23 multicore?

A: The Intel Core i9-12900HX scores 23150, which is 17.5% higher than the AMD Ryzen 7 7700X's score of 19088.

Q: Which processor is better for single-threaded performance?

A: The AMD Ryzen 7 7700X wins every single-thread comparison. It leads by 13.3% in Cinebench R15 single-core, 11.9% in PassMark single-thread, and 6.2% in 3DMark single-thread.

Q: What is the core and thread count for each processor?

A: The AMD Ryzen 7 7700X has 8 cores and 16 threads. The Intel Core i9-12900HX has 16 cores and 24 threads.

Q: Which processor has the higher average benchmark score?

A: The AMD Ryzen 7 7700X has an average benchmark score of 35909, compared to 35003 for the Intel Core i9-12900HX.

Q: What memory types does each processor support?

A: The AMD Ryzen 7 7700X supports DDR5 only. The Intel Core i9-12900HX supports both DDR4 and DDR5.

Where Each One Wins

The AMD Ryzen 7 7700X wins in scenarios that favor high clock speeds, efficient single-thread execution, and moderate thread counts. Its 13.3% lead in Cinebench R15 single-core and 11.9% lead in PassMark single-thread make it the clear pick for lightly threaded applications. The 31.7% lead in extended instructions and 36.4% lead in prime number finding point to workloads that use specialized CPU instruction sets. The 7.8% lead in data encryption and 4.9% lead in data compression make it suitable for security-related and archiving tasks. The 3DMark results, where AMD wins every test up to 16 threads, suggest it handles gaming and simulation workloads with lower thread counts more effectively.

The Intel Core i9-12900HX wins in scenarios that demand maximum parallel throughput. Its 17.5% lead in Cinebench R23 multicore and 12.7% lead in Cinebench R15 multicore make it the better option for video rendering, 3D animation, and other heavily threaded content creation. The 18.3% lead in floating point math indicates strength in scientific computing and financial modeling. The 3DMark max threads victory, while modest at 2.4%, shows that workloads using every available thread will favor the Intel part. The 16-core, 24-thread configuration gives it a structural advantage in tasks that can use all of its resources.

Specification Differences

The AMD Ryzen 7 7700X has 8 cores and 16 threads, while the Intel Core i9-12900HX has 16 cores and 24 threads. The base clock is 4.50 GHz for AMD and 2.30 GHz for Intel. The boost clock is 5.40 GHz for AMD and 5.00 GHz for Intel. The TDP is 105 for AMD and 55 for Intel.

The AMD part uses AMD Socket AM5, while the Intel part uses Intel BGA 1964. The process node is 5 nm for AMD and 10 nm for Intel. The die size is 71 mm² for AMD and 215 mm² for Intel. Transistors are 6,570 million for AMD, with no figure recorded for Intel.

The L1 cache is 64 KB per core for AMD and 80 KB per core for AMD's Intel counterpart. The L2 cache is 1 MB per core for AMD and 1.25 MB per core for Intel. The L3 cache is 32 MB shared for AMD and 30 MB shared for Intel.

Memory support is DDR5 for AMD and DDR4 plus DDR5 for Intel. Memory bandwidth is 83.2 GB/s for AMD, with no figure recorded for Intel. PCIe lanes are Gen 5 with 24 lanes for AMD and Gen 5 with 20 lanes for Intel. Integrated graphics are Radeon Graphics for AMD and UHD Graphics 770 for Intel. The market segment is desktop for AMD and mobile for Intel. The launch MSRP is $399 for AMD and $606 for Intel.