Ryzen 9 7945HX3D vs EPYC 9135
Ryzen 9 7945HX3D
EPYC 9135
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 9135
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($95) |
| Longevity | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / 5 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($95) |
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 9135
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 9135
The EPYC 9135 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.65 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 57,808 points. Launch price was $1,214.
Processing Power
Both the Ryzen 9 7945HX3D and EPYC 9135 share an identical 16-core/32-thread configuration. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 4.3 GHz on the EPYC 9135 — a 22.7% clock advantage for the Ryzen 9 7945HX3D (base: 2.3 GHz vs 3.65 GHz). The Ryzen 9 7945HX3D uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the EPYC 9135 uses Turin (2024) (4 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the EPYC 9135's 57,808 — a 0% lead for the EPYC 9135. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 64 MB (total) on the EPYC 9135.
| Feature | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 32 |
| Boost Clock | 5.4 GHz+26% | 4.3 GHz |
| Base Clock | 2.3 GHz | 3.65 GHz+59% |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Dragon Range-HX (Zen 4) (2023−2024) | Turin (2024) |
| PassMark | 57,803 | 57,808 |
Memory & Platform
The Ryzen 9 7945HX3D uses the FL1 socket (PCIe 5.0), while the EPYC 9135 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5200 on the Ryzen 9 7945HX3D versus 6000 on the EPYC 9135 — the EPYC 9135 supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9135 supports up to 6144 of RAM compared to 128 — 191.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7945HX3D) vs 12 (EPYC 9135). PCIe lanes: 28 (Ryzen 9 7945HX3D) vs 128 (EPYC 9135) — the EPYC 9135 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and SP5 (EPYC 9135).
| Feature | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| Socket | FL1 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5200 | 6000+15% |
| Max RAM Capacity | 128 | 6144+4700% |
| RAM Channels | 2 | 12+500% |
| 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. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs VT-x, VT-d (EPYC 9135). The Ryzen 9 7945HX3D includes integrated graphics (AMD Radeon 610M), while the EPYC 9135 requires a dedicated GPU. Direct competitor: Ryzen 9 7945HX3D rivals Core Ultra 9 285HX; EPYC 9135 rivals Xeon Platinum 8558P.
| Feature | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon 610M | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The Ryzen 9 7945HX3D launched at $0 MSRP, while the EPYC 9135 debuted at $1214. At current prices ($0 vs $95), the Ryzen 9 7945HX3D is $95 cheaper.
| Feature | Ryzen 9 7945HX3D | EPYC 9135 |
|---|---|---|
| MSRP | $0-100% | $1214 |
| Avg Price (30d) | $0-100% | $95 |
| Performance per Dollar | — | 608.5 |
| Release Date | 2023 | 2024 |
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