
Core i3-8121U vs Opteron 4376 HE

Core i3-8121U

Opteron 4376 HE
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. The Core i3-8121U is positioned at rank 166 and the Opteron 4376 HE is on rank 80, so the Opteron 4376 HE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-8121U
Performance Per Dollar Opteron 4376 HE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-8121U | Opteron 4376 HE |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-U (2018−2019) / 10 nm) | 🛑 Legacy (Seoul (2012) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-8121U | Opteron 4376 HE |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i3-8121U and Opteron 4376 HE

Core i3-8121U
The Core i3-8121U is manufactured by Intel. It was released in 5 May 2018 (7 years ago). It is based on the Coffee Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 10 nm process technology. Socket: BGA1440. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 4,271 points. Launch price was $69.

Opteron 4376 HE
The Opteron 4376 HE is manufactured by AMD. It was released in 2015-01-01. It is based on the Seoul (2012) architecture. It features 8 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.6 GHz. L3 cache: 8192 kB (total). L2 cache: 8192 kB. Built on 32 nm process technology. Socket: C32. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,318 points. Launch price was $800.
Processing Power
The Core i3-8121U packs 2 cores / 4 threads, while the Opteron 4376 HE offers 8 cores / 8 threads — the Opteron 4376 HE has 6 more cores. Boost clocks reach 3.2 GHz on the Core i3-8121U versus 3.6 GHz on the Opteron 4376 HE — a 11.8% clock advantage for the Opteron 4376 HE (base: 2.2 GHz vs 2.6 GHz). The Core i3-8121U uses the Coffee Lake-U (2018−2019) architecture (10 nm), while the Opteron 4376 HE uses Seoul (2012) (32 nm). In PassMark, the Core i3-8121U scores 4,271 against the Opteron 4376 HE's 4,318 — a 1.1% lead for the Opteron 4376 HE. L3 cache: 4 MB (total) on the Core i3-8121U vs 8192 kB (total) on the Opteron 4376 HE.
| Feature | Core i3-8121U | Opteron 4376 HE |
|---|---|---|
| Cores / Threads | 2 / 4 | 8 / 8+300% |
| Boost Clock | 3.2 GHz | 3.6 GHz+12% |
| Base Clock | 2.2 GHz | 2.6 GHz+18% |
| L3 Cache | 4 MB (total) | 8192 kB (total)+100% |
| L2 Cache | 256K (per core) | 8192 kB+3100% |
| Process | 10 nm-69% | 32 nm |
| Architecture | Coffee Lake-U (2018−2019) | Seoul (2012) |
| PassMark | 4,271 | 4,318+1% |
| Geekbench 6 Single | 1,178 | — |
| Geekbench 6 Multi | 2,250 | — |
Memory & Platform
The Core i3-8121U uses the BGA1440 socket (PCIe 3.0), while the Opteron 4376 HE uses C32 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-8121U | Opteron 4376 HE |
|---|---|---|
| Socket | BGA1440 | C32 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i3-8121U) / not specified (Opteron 4376 HE). Primary use case: Core i3-8121U targets Productivity. Direct competitor: Core i3-8121U rivals Core i3-8130U.
| Feature | Core i3-8121U | Opteron 4376 HE |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Productivity | — |
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