AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7940H
Comparative analysis of AMD Ryzen 9 7945HX3D and AMD Ryzen 9 7940H 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.
Differences
Reasons to consider the AMD Ryzen 9 7945HX3D
- CPU is newer: launch date 6 month(s) later
- Processor is unlocked, an unlocked multiplier allows for easier overclocking
- 8 more cores, run more applications at once: 16 vs 8
- 16 more threads: 32 vs 16
- Around 4% higher clock speed: 5.4 GHz vs 5.2 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
- 8x 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: 4165 vs 4028
- Around 92% better performance in PassMark - CPU mark: 58829 vs 30710
Specifications (specs) | |
Launch date | 27 Jul 2023 vs Jan 2023 |
Unlocked | Unlocked vs Locked |
Number of cores | 16 vs 8 |
Number of threads | 32 vs 16 |
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 16MB (shared) |
Benchmarks | |
PassMark - Single thread mark | 4165 vs 4028 |
PassMark - CPU mark | 58829 vs 30710 |
Reasons to consider the AMD Ryzen 9 7940H
- A newer manufacturing process allows for a more powerful, yet cooler running processor: 4 nm vs 5 nm
- Around 57% lower typical power consumption: 35 Watt vs 55 Watt
Manufacturing process technology | 4 nm vs 5 nm |
Thermal Design Power (TDP) | 35 Watt vs 55 Watt |
Compare benchmarks
CPU 1: AMD Ryzen 9 7945HX3D
CPU 2: AMD Ryzen 9 7940H
PassMark - Single thread mark |
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PassMark - CPU mark |
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Name | AMD Ryzen 9 7945HX3D | AMD Ryzen 9 7940H |
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PassMark - Single thread mark | 4165 | 4028 |
PassMark - CPU mark | 58829 | 30710 |
Compare specifications (specs)
AMD Ryzen 9 7945HX3D | AMD Ryzen 9 7940H | |
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Essentials |
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Launch date | 27 Jul 2023 | Jan 2023 |
Place in performance rating | 35 | 119 |
Performance |
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Base frequency | 2.3 GHz | 4 GHz |
Die size | 2x 71 mm² | 178 mm² |
L1 cache | 64K (per core) | 64K (per core) |
L2 cache | 1MB (per core) | 1MB (per core) |
L3 cache | 128MB (shared) | 16MB (shared) |
Manufacturing process technology | 5 nm | 4 nm |
Maximum core temperature | 100°C | 100°C |
Maximum frequency | 5.4 GHz | 5.2 GHz |
Number of cores | 16 | 8 |
Number of threads | 32 | 16 |
Transistor count | 17,840 million | 25,000 million |
Unlocked | ||
Memory |
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ECC memory support | ||
Supported memory types | DDR5-5200 MHz, Dual-channel | DDR5-5600 MHz, Dual-channel |
Compatibility |
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Max number of CPUs in a configuration | 1 | 1 |
Sockets supported | FL1 | FP8 |
Thermal Design Power (TDP) | 55 Watt | 35 Watt |
Configurable TDP | 54 Watt | |
Peripherals |
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PCIe configurations | Gen 5, 28 Lanes, (CPU only) | Gen 4, 20 Lanes, (CPU only) |