AMD Ryzen 9 7945HX vs AMD Ryzen 9 7845HX

Comparative analysis of AMD Ryzen 9 7945HX 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 7945HX

AMD Ryzen 9 7845HX

Differences

Reasons to consider the AMD Ryzen 9 7945HX

4 more cores, run more applications at once: 16 vs 12
8 more threads: 32 vs 24
Around 4% higher clock speed: 5.4 GHz vs 5.2 GHz
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 2% better performance in PassMark - Single thread mark: 4055 vs 3965
Around 20% better performance in PassMark - CPU mark: 54711 vs 45712
Around 23% better performance in 3DMark Fire Strike - Physics Score: 13846 vs 11279

Specifications (specs)
Number of cores	16 vs 12
Number of threads	32 vs 24
Maximum frequency	5.4 GHz vs 5.2 GHz
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1MB (per core) vs 1MB (per core)
Benchmarks
PassMark - Single thread mark	4055 vs 3965
PassMark - CPU mark	54711 vs 45712
3DMark Fire Strike - Physics Score	13846 vs 11279

Compare benchmarks

CPU 1: AMD Ryzen 9 7945HX
CPU 2: AMD Ryzen 9 7845HX

PassMark - Single thread mark

CPU 1

CPU 2

4055

3965

PassMark - CPU mark

CPU 1

CPU 2

54711

45712

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

13846

11279

Name	AMD Ryzen 9 7945HX	AMD Ryzen 9 7845HX
PassMark - Single thread mark	4055	3965
PassMark - CPU mark	54711	45712
3DMark Fire Strike - Physics Score	13846	11279

Compare specifications (specs)

	AMD Ryzen 9 7945HX	AMD Ryzen 9 7845HX
Essentials
Architecture codename	Zen 4	Zen 4
Launch date	4 Jan 2023	4 Jan 2023
Place in performance rating	83	145
Family		Dragon Range
Performance
Base frequency	2.5 GHz	3 GHz
Die size	2x 71 mm²	2x 71 mm²
L1 cache	64K (per core)	64K (per core)
L2 cache	1MB (per core)	1MB (per core)
L3 cache	64MB (shared)	64MB (shared)
Manufacturing process technology	5 nm	5 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.4 GHz	5.2 GHz
Number of cores	16	12
Number of threads	32	24
Transistor count	13,140 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR5-5200 MHz, Dual-channel
Compatibility
Configurable TDP	55-75 W
Max number of CPUs in a configuration	1	1
Sockets supported	FL1	FL1
Thermal Design Power (TDP)	55 Watt	55 Watt
Peripherals
PCIe configurations	Gen 5, 28 Lanes, (CPU only)	Gen 5, 28 Lanes, (CPU only)