Ryzen 9 7945HX3D vs EPYC 7552
Ryzen 9 7945HX3D
EPYC 7552
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar EPYC 7552
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($1,650) |
| Longevity | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / 5 nm) | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($1,650) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen 9 7945HX3D and EPYC 7552
Ryzen 9 7945HX3D
The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.
EPYC 7552
The EPYC 7552 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 48 cores and 96 threads. Base frequency is 2.2 GHz, with boost up to 3.3 GHz. L3 cache: 192 MB (total). L2 cache: 512 kB (per core). Built on 7 nm, 14 nm process technology. Socket: SP3. Thermal design power (TDP): 200 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 57,414 points. Launch price was $4,025.
Processing Power
The Ryzen 9 7945HX3D packs 16 cores / 32 threads, while the EPYC 7552 offers 48 cores / 96 threads — the EPYC 7552 has 32 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 3.3 GHz on the EPYC 7552 — a 48.3% clock advantage for the Ryzen 9 7945HX3D (base: 2.3 GHz vs 2.2 GHz). The Ryzen 9 7945HX3D uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the EPYC 7552 uses Zen 2 (2017−2020) (7 nm, 14 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the EPYC 7552's 57,414 — a 0.7% lead for the Ryzen 9 7945HX3D. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 192 MB (total) on the EPYC 7552.
| Feature | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| Cores / Threads | 16 / 32 | 48 / 96+200% |
| Boost Clock | 5.4 GHz+64% | 3.3 GHz |
| Base Clock | 2.3 GHz+5% | 2.2 GHz |
| L3 Cache | 128 MB (total) | 192 MB (total)+50% |
| L2 Cache | 1 MB (per core)+100% | 512 kB (per core) |
| Process | 5 nm-29% | 7 nm, 14 nm |
| Architecture | Dragon Range-HX (Zen 4) (2023−2024) | Zen 2 (2017−2020) |
| PassMark | 57,803 | 57,414 |
Memory & Platform
The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the EPYC 7552 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus 3200 on the EPYC 7552 — the Ryzen 9 7945HX3D supports 47.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7552 supports up to 4096 of RAM compared to 128 — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7945HX3D) vs 8 (EPYC 7552). PCIe lanes: 28 (Ryzen 9 7945HX3D) vs 128 (EPYC 7552) — the EPYC 7552 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and SP3 (EPYC 7552).
| Feature | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| Socket | FL1 | SP3 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 5200+63% | 3200 |
| Max RAM Capacity | 128 | 4096+3100% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
Advanced Features
Only the Ryzen 9 7945HX3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 9 7945HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs VT-x, VT-d (EPYC 7552). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the EPYC 7552 requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; EPYC 7552 rivals Xeon Platinum 8362.
| Feature | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon 610M | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The Ryzen 9 7945HX3D launched at $0 MSRP, while the EPYC 7552 debuted at $4025. At current prices ($0 vs $1650), the Ryzen 9 7945HX3D is $1650 cheaper.
| Feature | Ryzen 9 7945HX3D | EPYC 7552 |
|---|---|---|
| MSRP | $0-100% | $4025 |
| Avg Price (30d) | $0-100% | $1650 |
| Performance per Dollar | — | 34.8 |
| Release Date | 2023 | 2019 |
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