AMD Ryzen 9 8945HS vs AMD Ryzen 5 7645HX

Comparative analysis of AMD Ryzen 9 8945HS and AMD Ryzen 5 7645HX processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Ryzen 9 8945HS

AMD Ryzen 5 7645HX

Differences

Reasons to consider the AMD Ryzen 9 8945HS

CPU is newer: launch date 11 month(s) later
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 4% higher clock speed: 5.2 GHz vs 5 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
1398101.3x more L2 cache, more data can be stored in the L2 cache for quick access later
524288x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 11% better performance in PassMark - CPU mark: 29776 vs 26868

Specifications (specs)
Launch date	6 Dec 2023 vs 4 Jan 2023
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	5.2 GHz vs 5 GHz
Manufacturing process technology	4 nm vs 5 nm
L1 cache	64 KB (per core) vs 64K (per core)
L2 cache	1 MB (per core) vs 1MB (per core)
L3 cache	16 MB (shared) vs 32MB (shared)
Benchmarks
PassMark - CPU mark	29776 vs 26868

Reasons to consider the AMD Ryzen 5 7645HX

Around 1% better performance in PassMark - Single thread mark: 3915 vs 3863

Benchmarks
PassMark - Single thread mark	3915 vs 3863

Compare benchmarks

CPU 1: AMD Ryzen 9 8945HS
CPU 2: AMD Ryzen 5 7645HX

PassMark - Single thread mark

CPU 1

CPU 2

3863

3915

PassMark - CPU mark

CPU 1

CPU 2

29776

26868

Name	AMD Ryzen 9 8945HS	AMD Ryzen 5 7645HX
PassMark - Single thread mark	3863	3915
PassMark - CPU mark	29776	26868

Compare specifications (specs)

	AMD Ryzen 9 8945HS	AMD Ryzen 5 7645HX
Essentials
Launch date	6 Dec 2023	4 Jan 2023
Place in performance rating	190	199
Performance
Base frequency	4 GHz	4 GHz
Die size	178 mm²	71 mm²
L1 cache	64 KB (per core)	64K (per core)
L2 cache	1 MB (per core)	1MB (per core)
L3 cache	16 MB (shared)	32MB (shared)
Manufacturing process technology	4 nm	5 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.2 GHz	5 GHz
Number of cores	8	6
Number of threads	16	12
Transistor count	25,000 million	6,570 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-5200 MHz, Dual-channel
Compatibility
Configurable TDP	35-54 Watt	75 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FL1
Thermal Design Power (TDP)	45 Watt	45 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 5, 28 Lanes, (CPU only)