AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7845HX

Comparative analysis of AMD Ryzen 9 7945HX3D 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 7945HX3D

AMD Ryzen 9 7845HX

Differences

Reasons to consider the AMD Ryzen 9 7945HX3D

CPU is newer: launch date 6 month(s) later
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
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 4083 vs 3945
Around 27% better performance in PassMark - CPU mark: 57570 vs 45328

Specifications (specs)
Launch date	27 Jul 2023 vs 4 Jan 2023
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)
L3 cache	128MB (shared) vs 64MB (shared)
Benchmarks
PassMark - Single thread mark	4083 vs 3945
PassMark - CPU mark	57570 vs 45328

Compare benchmarks

CPU 1: AMD Ryzen 9 7945HX3D
CPU 2: AMD Ryzen 9 7845HX

PassMark - Single thread mark

CPU 1

CPU 2

4083

3945

PassMark - CPU mark

CPU 1

CPU 2

57570

45328

Name	AMD Ryzen 9 7945HX3D	AMD Ryzen 9 7845HX
PassMark - Single thread mark	4083	3945
PassMark - CPU mark	57570	45328
3DMark Fire Strike - Physics Score		11242

Compare specifications (specs)

	AMD Ryzen 9 7945HX3D	AMD Ryzen 9 7845HX
Essentials
Launch date	27 Jul 2023	4 Jan 2023
Place in performance rating	62	137
Architecture codename		Zen 4
Family		Dragon Range
Performance
Base frequency	2.3 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	128MB (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	17,840 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR5-5200 MHz, Dual-channel	DDR5-5200 MHz, Dual-channel
Compatibility
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)