AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 7745HX

Comparative analysis of AMD Ryzen 9 7945HX3D and AMD Ryzen 7 7745HX 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 7945HX3D

AMD Ryzen 7 7745HX

Differences

Reasons to consider the AMD Ryzen 9 7945HX3D

CPU is newer: launch date 6 month(s) later
8 more cores, run more applications at once: 16 vs 8
16 more threads: 32 vs 16
Around 6% higher clock speed: 5.4 GHz vs 5.1 GHz
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
4x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 4% better performance in PassMark - Single thread mark: 4112 vs 3950
Around 76% better performance in PassMark - CPU mark: 57430 vs 32709

Specifications (specs)
Launch date	27 Jul 2023 vs 4 Jan 2023
Number of cores	16 vs 8
Number of threads	32 vs 16
Maximum frequency	5.4 GHz vs 5.1 GHz
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1MB (per core) vs 1MB (per core)
L3 cache	128MB (shared) vs 32MB (shared)
Benchmarks
PassMark - Single thread mark	4112 vs 3950
PassMark - CPU mark	57430 vs 32709

Compare benchmarks

CPU 1: AMD Ryzen 9 7945HX3D
CPU 2: AMD Ryzen 7 7745HX

PassMark - Single thread mark

CPU 1

CPU 2

4112

3950

PassMark - CPU mark

CPU 1

CPU 2

57430

32709

Name	AMD Ryzen 9 7945HX3D	AMD Ryzen 7 7745HX
PassMark - Single thread mark	4112	3950
PassMark - CPU mark	57430	32709

Compare specifications (specs)

	AMD Ryzen 9 7945HX3D	AMD Ryzen 7 7745HX
Essentials
Launch date	27 Jul 2023	4 Jan 2023
Place in performance rating	57	159
Architecture codename		Zen 4 (Dragon Range)
Performance
Base frequency	2.3 GHz	3.6 GHz
Die size	2x 71 mm²	71 mm²
L1 cache	64K (per core)	64K (per core)
L2 cache	1MB (per core)	1MB (per core)
L3 cache	128MB (shared)	32MB (shared)
Manufacturing process technology	5 nm	5 nm
Maximum core temperature	100°C	100°C
Maximum frequency	5.4 GHz	5.1 GHz
Number of cores	16	8
Number of threads	32	16
Transistor count	17,840 million	6,570 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
Configurable TDP		45-75 Watt
Peripherals
PCIe configurations	Gen 5, 28 Lanes, (CPU only)	Gen 5, 28 Lanes, (CPU only)