
Xeon E-2378 vs Ryzen 9 5900X

Xeon E-2378

Ryzen 9 5900X
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 Xeon E-2378
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($562) | ✅ More affordable ($350) |
| Longevity | ✨ Modern (Rocket Lake-E (2021) / 14 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+266%) |
| Upfront Cost | ⚠️ Higher cost ($562) | ✅ More affordable ($350) |
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 Xeon E-2378 and Ryzen 9 5900X

Xeon E-2378
The Xeon E-2378 is manufactured by Intel. It was released in 2015-01-01. It is based on the Rocket Lake-E (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.6 GHz, with boost up to 4.8 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 17,069 points. Launch price was $800.

Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Xeon E-2378 packs 8 cores / 16 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.8 GHz on the Xeon E-2378 versus 4.8 GHz on the Ryzen 9 5900X — identical boost frequencies (base: 2.6 GHz vs 3.7 GHz). The Xeon E-2378 uses the Rocket Lake-E (2021) architecture (14 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Xeon E-2378 scores 17,069 against the Ryzen 9 5900X's 38,955 — a 78.1% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,821 vs 2,174, a 17.7% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 9,986 vs 11,888 (17.4% advantage for the Ryzen 9 5900X). L3 cache: 16 MB (total) on the Xeon E-2378 vs 64 MB on the Ryzen 9 5900X.
| Feature | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 24+50% |
| Boost Clock | 4.8 GHz | 4.8 GHz |
| Base Clock | 2.6 GHz | 3.7 GHz+42% |
| L3 Cache | 16 MB (total) | 64 MB+300% |
| L2 Cache | 512K (per core) | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | Rocket Lake-E (2021) | Vermeer (Zen3) (2020−2022) |
| PassMark | 17,069 | 38,955+128% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 1,821 | 2,174+19% |
| Geekbench 6 Multi | 9,986 | 11,888+19% |
Memory & Platform
The Xeon E-2378 uses the LGA1200 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Xeon E-2378) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C252,C256 (Xeon E-2378) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA1200 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Only the Xeon E-2378 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: Yes (Xeon E-2378) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | Yes |
| AVX-512 | Yes | No |
| Virtualization | Yes | AMD-V |
| Target Use | — | Workstation |
Value Analysis
The Xeon E-2378 launched at $362 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($562 vs $350), the Ryzen 9 5900X is $212 cheaper. In terms of value (PassMark points per dollar), the Xeon E-2378 delivers 30.4 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 114.2% better value option.
| Feature | Xeon E-2378 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $362-34% | $549 |
| Avg Price (30d) | $562 | $350-38% |
| Performance per Dollar | 30.4 | 111.3+266% |
| Release Date | 2021 | 2020 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















