
Core i7-7820X vs Xeon E-2378

Core i7-7820X

Xeon E-2378
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 Core i7-7820X
Performance Per Dollar Xeon E-2378
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($198) | ⚠️ Higher cost ($562) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Rocket Lake-E (2021) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+186%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($198) | ⚠️ Higher cost ($562) |
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 Core i7-7820X and Xeon E-2378

Core i7-7820X
The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,171 points. Launch price was $599.

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.
Processing Power
Both the Core i7-7820X and Xeon E-2378 share an identical 8-core/16-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7820X versus 4.8 GHz on the Xeon E-2378 — a 6.5% clock advantage for the Xeon E-2378 (base: 3.6 GHz vs 2.6 GHz). The Core i7-7820X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon E-2378 uses Rocket Lake-E (2021) (14 nm). In PassMark, the Core i7-7820X scores 17,171 against the Xeon E-2378's 17,069 — a 0.6% lead for the Core i7-7820X. L3 cache: 11 MB (total) on the Core i7-7820X vs 16 MB (total) on the Xeon E-2378.
| Feature | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.5 GHz | 4.8 GHz+7% |
| Base Clock | 3.6 GHz+38% | 2.6 GHz |
| L3 Cache | 11 MB (total) | 16 MB (total)+45% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Rocket Lake-E (2021) |
| PassMark | 17,171 | 17,069 |
| Geekbench 6 Single | — | 1,821 |
| Geekbench 6 Multi | — | 9,986 |
Memory & Platform
The Core i7-7820X uses the LGA2066 socket (PCIe 3.0), while the Xeon E-2378 uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| Socket | LGA2066 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Core i7-7820X) / Yes (Xeon E-2378).
| Feature | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | Yes |
Value Analysis
The Core i7-7820X launched at $599 MSRP, while the Xeon E-2378 debuted at $362. At current prices ($198 vs $562), the Core i7-7820X is $364 cheaper. In terms of value (PassMark points per dollar), the Core i7-7820X delivers 86.7 pts/$ vs 30.4 pts/$ for the Xeon E-2378 — making the Core i7-7820X the 96.2% better value option.
| Feature | Core i7-7820X | Xeon E-2378 |
|---|---|---|
| MSRP | $599 | $362-40% |
| Avg Price (30d) | $198-65% | $562 |
| Performance per Dollar | 86.7+185% | 30.4 |
| Release Date | 2017 | 2021 |
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