AMD Ryzen 9 8945HS vs AMD Ryzen 9 7845HX

Comparative analysis of AMD Ryzen 9 8945HS and AMD Ryzen 9 7845HX 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, 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 8945HS

AMD Ryzen 9 7845HX

Differences

Reasons to consider the AMD Ryzen 9 8945HS

CPU is newer: launch date 11 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
699050.7x more L2 cache, more data can be stored in the L2 cache for quick access later
262144x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 22% lower typical power consumption: 45 Watt vs 55 Watt

Launch date	6 Dec 2023 vs 4 Jan 2023
Manufacturing process technology	4 nm vs 5 nm
L2 cache	1 MB (per core) vs 1MB (per core)
L3 cache	16 MB (shared) vs 64MB (shared)
Thermal Design Power (TDP)	45 Watt vs 55 Watt

Reasons to consider the AMD Ryzen 9 7845HX

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 3961 vs 3863
Around 55% better performance in PassMark - CPU mark: 45494 vs 29414

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 8
Number of threads	24 vs 16
L1 cache	64K (per core) vs 64 KB (per core)
Benchmarks
PassMark - Single thread mark	3961 vs 3863
PassMark - CPU mark	45494 vs 29414

Compare benchmarks

CPU 1: AMD Ryzen 9 8945HS
CPU 2: AMD Ryzen 9 7845HX

PassMark - Single thread mark

CPU 1

CPU 2

3863

3961

PassMark - CPU mark

CPU 1

CPU 2

29414

45494

Name	AMD Ryzen 9 8945HS	AMD Ryzen 9 7845HX
PassMark - Single thread mark	3863	3961
PassMark - CPU mark	29414	45494
3DMark Fire Strike - Physics Score		11435

Compare specifications (specs)

	AMD Ryzen 9 8945HS	AMD Ryzen 9 7845HX
Essentials
Launch date	6 Dec 2023	4 Jan 2023
Place in performance rating	179	223
Architecture codename		Zen 4
Family		Dragon Range
Performance
Base frequency	4 GHz	3 GHz
Die size	178 mm²	2x 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)	64MB (shared)
Manufacturing process technology	4 nm	5 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.2 GHz	5.2 GHz
Number of cores	8	12
Number of threads	16	24
Transistor count	25,000 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR5-5200 MHz, Dual-channel
Compatibility
Configurable TDP	35-54 Watt
Max number of CPUs in a configuration	1	1
Sockets supported	FP8	FL1
Thermal Design Power (TDP)	45 Watt	55 Watt
Peripherals
PCIe configurations	Gen 4, 20 Lanes, (CPU only)	Gen 5, 28 Lanes, (CPU only)