AMD Ryzen 9 PRO 7945 vs Ryzen 7 7800X3D: Which Is Better?AMD Ryzen 9 PRO 7945 vs Ryzen 7 7800X3D
Architecture and Features
AMD Ryzen 9 PRO 7945
- Built on top of the Raphael Zen 4 architecture.
- Made utilizing the 5nm manufacturing node from TSMC.
- Has 24 threads and 12 cores.
- Boost clock up to 5.4 GHz and base clock of 3.7 GHz.
- Has an integrated AMD Radeon Graphics processor that operates between 400 and 2200 MHz.
- Supports DDR5 memory and PCIe 5.0.
- Featuring 64 MB of L3 cache.
- Provides enhanced stability by supporting ECC memory.
- X670, B650, and A620 chipsets are compatible with the AM5 socket.
- Made to fit business-class PCs and workstations.
AMD Ryzen 7 7800X3D
- Additionally, TSMC’s 5nm technology was used to build on AMD’s Zen 4 architecture.
- Includes 16 threads and 8 cores.
- 4.2 GHz is its base frequency, and it can reach 5.0 GHz as its boost clock.
- 3D V-Cache technology’s enormous 96 MB of L3 cache is the most notable feature.
- Compatible with DDR5 memory and PCIe 5.0, it was created for the AM5 platform.
- Included for minimal display requirements are integrated Radeon graphics.
| Feature | AMD Ryzen 9 PRO 7945 | AMD Ryzen 7 7800X3D |
|---|
| Architecture | Zen 4 (Raphael) | Zen 4 (Raphael) with 3D V-Cache |
| Cores / Threads | 12 Cores / 24 Threads | 8 Cores / 16 Threads |
| Base / Boost Clock | 3.7 GHz / Up to 5.4 GHz | 4.2 GHz / Up to 5.0 GHz |
| L3 Cache | 64 MB | 96 MB (Enhanced with 3D V-Cache) |
| Integrated Graphics | AMD Radeon Graphics (400–2200 MHz) | AMD Radeon Graphics (400–2200 MHz) |
| Socket | AM5 | AM5 |
| Process Node | TSMC 5nm | TSMC 5nm |
| PCIe Support | PCIe 5.0 | PCIe 5.0 |
| ECC Memory Support | Yes | Yes |
| Target Market | Workstations, Business PCs | Gaming PCs |
Performance
AMD Ryzen 9 PRO 7945
- Strong multi-core performance because of the design’s 12-core/24-thread architecture.
- Demonstrates proficiency in software development, rendering, content production, and productivity tasks.
- Excels at CPU-bound jobs and programs like Blender and Adobe Premiere Pro.
AMD Ryzen 7 7800X3D
- Offers gaming and single-threaded performance that is leading the class.
- Performance in cache-sensitive applications is significantly enhanced by the additional L3 cache, despite having fewer cores than the 7945.
- Great for tasks that need minimal latency, such software, emulation, and code compilation requirements.
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Gaming Performance
AMD Ryzen 9 PRO 7945
- Ability to run high-end current games, particularly when combined with a powerful GPU.
- The 3D V-Cache included in CPUs with gaming optimisation is absent, and it is not especially tuned for gaming.
- Due to its higher latency and lower cache, it performs worse than the 7800X3D in gaming benchmarks, despite decent frame rates in most games.
AMD Ryzen 7 7800X3D
- The greatest gaming CPU on the market right now.
- Several CPUs with more cores perform better because of its 3D V-Cache.
- Assassin’s Creed Valhalla, Elden Ring, and Cyberpunk 2077 may reach high frame rates.
- Ideal for 1080p, 1440p, and 4K games with a strong GPU.
Power and Efficiency
AMD Ryzen 9 PRO 7945
- More power-efficient than the majority of high-end Ryzen CPUs, it has a 65W TDP rating.
- When there is a high load, the actual power demand might reach 88W.
- Better thermal efficiency and a cooler operating temperature make it perfect for small or large systems.
AMD Ryzen 7 7800X3D
- TDP has a 120W rating, which is much more than the Ryzen 9 PRO 7945.
- A full load might result in real power usage of up to 160W.
- Runs hotter, particularly when playing games and working for extended periods.
- Maintains thermal performance and boost clocks with enough cooling.
| Metric | AMD Ryzen 9 PRO 7945 | AMD Ryzen 7 7800X3D |
|---|
| Cinebench R23 (Single-Core) | ~1,955 | ~2,000 |
| Cinebench R23 (Multi-Core) | ~28,905 | ~19,000 |
| Geekbench 5 (Single-Core) | ~2,800 | ~2,700 |
| Geekbench 5 (Multi-Core) | ~16,832 | ~14,000 |
| TDP | 65W | 120W |
| PPT (Max Power) | 88W | 162W |
| Max Operating Temp | 95°C | 89°C |
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Memory Support
AMD Ryzen 9 PRO 7945
- The dual-channel design supports DDR5-5200 memory.
- 128 GB is the maximum amount of memory that may be supported.
- Stability is guaranteed for mission-critical applications with ECC memory support.
AMD Ryzen 7 7800X3D
- Enables dual-channel DDR5-5200 memory capability.
- Capable of managing 128 GB of RAM.
- While it is available, ECC is not frequently utilised in gaming settings.
| Feature | AMD Ryzen 9 PRO 7945 | AMD Ryzen 7 7800X3D |
|---|
| Memory Support | DDR5-5200 | DDR5-5200 |
| Max Memory Capacity | Up to 128 GB | Up to 128 GB |
| Memory Channels | Dual-channel | Dual-channel |
| ECC Support | Yes | Yes |
| Motherboard Chipsets | Compatible with X670E, X670, B650E, B650, A620 | Compatible with X670E, X670, B650E, B650, A620 |
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Advantages
AMD Ryzen 9 PRO 7945
- For tasks that require threading and multitasking, a high core count is ideal.
- Cooler and more energy-efficient.
- Extended stability and ECC are examples of professional-grade functionality.
- Ideal for workplaces and for developers and designers.
AMD Ryzen 7 7800X3D
- Gaming performance is exceptional because of the huge 3D V-Cache.
- Applications with only one thread benefit from higher base clocks.
- Perfect for gamers and streamers that want to compete.
- Outstanding value for the money for gamers.
Disadvantages
AMD Ryzen 9 PRO 7945
- Games are not optimised, and there is no 3D V-Cache.
- Performance on the single thread is a little worse than on gaming CPUs.
- Due to less emphasis on overclocking, there is less enthusiast appeal.
AMD Ryzen 7 7800X3D
- Increased heat output and power drain.
- Performance issues with multiple threads in comparison to CPUs with more cores, such as the Ryzen 9 PRO 7945.
- Its 3D V-Cache architecture limits overclocking capability.
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Price
| Processor | Price (USD) |
|---|
| AMD Ryzen 9 PRO 7945 | ~$430 |
| AMD Ryzen 7 7800X3D | ~$449 |
AMD Ryzen 9 PRO 7945 And Ryzen 7 7800X3D Specifications
| Specification | AMD Ryzen 9 PRO 7945 | AMD Ryzen 7 7800X3D |
|---|
| Architecture | Zen 4 (Raphael) | Zen 4 (Raphael) with 3D V-Cache |
| Process Node | TSMC 5nm | TSMC 5nm |
| Cores / Threads | 12 Cores / 24 Threads | 8 Cores / 16 Threads |
| Boost Clock | Up to 5.4 GHz | Up to 5.0 GHz |
| L3 Cache | 64 MB | 96 MB (3D V-Cache) |
| Integrated Graphics | AMD Radeon (2200 MHz max) | AMD Radeon (2200 MHz max) |
| Max Operating Temp. | ~95°C | ~89°C |
| Memory Support | DDR5-5200, ECC, Dual Channel | DDR5-5200, ECC, Dual Channel |
| Max Memory Capacity | Up to 128 GB | Up to 128 GB |
| PCIe Version | PCIe 5.0 | PCIe 5.0 |
| Use Case | Business, Workstation, Enterprise | Gaming, Enthusiast Desktop |
| Ray Tracing / AVX-512 | Supported | Supported |
| Unlocked for OC | Yes | No (Limited due to 3D V-Cache) |
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