
Core i3-8121U vs Pentium Gold G6600

Core i3-8121U

Pentium Gold G6600
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. The Core i3-8121U is positioned at rank #166 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 i3-8121U
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-8121U | Pentium Gold G6600 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-U (2018−2019) / 10 nm) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-8121U | Pentium Gold G6600 |
|---|---|---|
| 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 Pentium Gold G6600

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.

Pentium Gold G6600
The Pentium Gold G6600 is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake (2020−2025) architecture. It features 2 cores and 4 threads. Base frequency is 4.2 GHz, with boost up to 4.2 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,223 points. Launch price was $69.
Processing Power
Both the Core i3-8121U and Pentium Gold G6600 share an identical 2-core/4-thread configuration. Boost clocks reach 3.2 GHz on the Core i3-8121U versus 4.2 GHz on the Pentium Gold G6600 — a 27% clock advantage for the Pentium Gold G6600 (base: 2.2 GHz vs 4.2 GHz). The Core i3-8121U uses the Coffee Lake-U (2018−2019) architecture (10 nm), while the Pentium Gold G6600 uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i3-8121U scores 4,271 against the Pentium Gold G6600's 4,223 — a 1.1% lead for the Core i3-8121U. Both processors carry 4 MB (total) of L3 cache.
| Feature | Core i3-8121U | Pentium Gold G6600 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.2 GHz | 4.2 GHz+31% |
| Base Clock | 2.2 GHz | 4.2 GHz+91% |
| L3 Cache | 4 MB (total) | 4 MB (total) |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 10 nm-29% | 14 nm |
| Architecture | Coffee Lake-U (2018−2019) | Comet Lake (2020−2025) |
| PassMark | 4,271+1% | 4,223 |
| 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 Pentium Gold G6600 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i3-8121U | Pentium Gold G6600 |
|---|---|---|
| Socket | BGA1440 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| 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 (Pentium Gold G6600). Primary use case: Core i3-8121U targets Productivity. Direct competitor: Core i3-8121U rivals Core i3-8130U.
| Feature | Core i3-8121U | Pentium Gold G6600 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Productivity | — |
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