EPYC 7D12 vs Ryzen 7 8840HX
EPYC 7D12
Ryzen 7 8840HX
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 EPYC 7D12
Performance Per Dollar Ryzen 7 8840HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7D12 | Ryzen 7 8840HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rome (2020) / 7 nm) | ✨ Modern (Dragon Range (2025) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7D12 | Ryzen 7 8840HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
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 EPYC 7D12 and Ryzen 7 8840HX
EPYC 7D12
The EPYC 7D12 is manufactured by AMD. It was released in 2015-01-01. It is based on the Rome (2020) architecture. It features 32 cores and 64 threads. Base frequency is 1.1 GHz, with boost up to 3 GHz. L3 cache: 32 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 85 Watt. Memory support: DDR4. Passmark benchmark score: 42,285 points. Launch price was $800.
Ryzen 7 8840HX
The Ryzen 7 8840HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 5.1 GHz. L3 cache: 64 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. Passmark benchmark score: 42,275 points. Launch price was $499.
Processing Power
The EPYC 7D12 packs 32 cores / 64 threads, while the Ryzen 7 8840HX offers 12 cores / 24 threads — the EPYC 7D12 has 20 more cores. Boost clocks reach 3 GHz on the EPYC 7D12 versus 5.1 GHz on the Ryzen 7 8840HX — a 51.9% clock advantage for the Ryzen 7 8840HX (base: 1.1 GHz vs 2.9 GHz). The EPYC 7D12 uses the Rome (2020) architecture (7 nm), while the Ryzen 7 8840HX uses Dragon Range (2025) (5 nm). In PassMark, the EPYC 7D12 scores 42,285 against the Ryzen 7 8840HX's 42,275 — a 0% lead for the EPYC 7D12. L3 cache: 32 MB (total) on the EPYC 7D12 vs 64 MB (total) on the Ryzen 7 8840HX.
| Feature | EPYC 7D12 | Ryzen 7 8840HX |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 3 GHz | 5.1 GHz+70% |
| Base Clock | 1.1 GHz | 2.9 GHz+164% |
| L3 Cache | 32 MB (total) | 64 MB (total)+100% |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm | 5 nm-29% |
| Architecture | Rome (2020) | Dragon Range (2025) |
| PassMark | 42,285 | 42,275 |
Memory & Platform
The EPYC 7D12 uses the SP3 socket (PCIe 4.0), while the Ryzen 7 8840HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7D12 versus 5600 on the Ryzen 7 8840HX — the Ryzen 7 8840HX supports 54.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7D12 supports up to 4096 of RAM compared to 64 — 193.8% more capacity for professional workloads. Memory channels: 8 (EPYC 7D12) vs 2 (Ryzen 7 8840HX). PCIe lanes: 128 (EPYC 7D12) vs 28 (Ryzen 7 8840HX) — the EPYC 7D12 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7D12) and FP8,FP7 (Ryzen 7 8840HX).
| Feature | EPYC 7D12 | Ryzen 7 8840HX |
|---|---|---|
| Socket | SP3 | FL1 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 5600+75% |
| Max RAM Capacity | 4096+6300% | 64 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d, AMD-V virtualization. The Ryzen 7 8840HX includes integrated graphics (AMD Radeon 780M), while the EPYC 7D12 requires a dedicated GPU. Direct competitor: EPYC 7D12 rivals Xeon Gold 6248; Ryzen 7 8840HX rivals Core i7-13700H.
| Feature | EPYC 7D12 | Ryzen 7 8840HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | AMD Radeon 780M |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d, AMD-V |
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