
Celeron 2981U vs Core i7-9700K

Celeron 2981U

Core i7-9700K
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 Celeron 2981U is positioned at rank #426 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 Celeron 2981U
Performance Per Dollar Core i7-9700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 2981U | Core i7-9700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($137) | ⚠️ Higher cost ($200) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Celeron 2981U | Core i7-9700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+852%) |
| Upfront Cost | ✅ More affordable ($137) | ⚠️ Higher cost ($200) |
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 Celeron 2981U and Core i7-9700K

Celeron 2981U
The Celeron 2981U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,036 points. Launch price was $69.

Core i7-9700K
The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.
Processing Power
The Celeron 2981U packs 2 cores / 2 threads, while the Core i7-9700K offers 8 cores / 8 threads — the Core i7-9700K has 6 more cores. Boost clocks reach 1.6 GHz on the Celeron 2981U versus 4.9 GHz on the Core i7-9700K — a 101.5% clock advantage for the Core i7-9700K (base: 1.6 GHz vs 3.6 GHz). The Celeron 2981U uses the Haswell (2013−2015) architecture (22 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Celeron 2981U scores 1,036 against the Core i7-9700K's 14,397 — a 173.1% lead for the Core i7-9700K. L3 cache: 2 MB on the Celeron 2981U vs 12 MB (total) on the Core i7-9700K.
| Feature | Celeron 2981U | Core i7-9700K |
|---|---|---|
| Cores / Threads | 2 / 2 | 8 / 8+300% |
| Boost Clock | 1.6 GHz | 4.9 GHz+206% |
| Base Clock | 1.6 GHz | 3.6 GHz+125% |
| L3 Cache | 2 MB | 12 MB (total)+500% |
| L2 Cache | 512 kB+100% | 256K (per core) |
| Process | 22 nm | 14 nm-36% |
| Architecture | Haswell (2013−2015) | Coffee Lake-R (2018−2019) |
| PassMark | 1,036 | 14,397+1290% |
Memory & Platform
The Celeron 2981U uses the FCBGA1168 socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1600 on the Celeron 2981U versus DDR4-2666 on the Core i7-9700K — the Core i7-9700K supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 2981U) vs 16 (Core i7-9700K) — the Core i7-9700K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 2981U) and Intel 300 series (Core i7-9700K).
| Feature | Celeron 2981U | Core i7-9700K |
|---|---|---|
| Socket | FCBGA1168 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1600 | DDR4-2666+33% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 16+33% |
Advanced Features
Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron 2981U) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics — HD Graphics (Haswell) (Celeron 2981U) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 2981U targets Budget, Core i7-9700K targets Desktop. Direct competitor: Celeron 2981U rivals Pentium 2117U.
| Feature | Celeron 2981U | Core i7-9700K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Haswell) | UHD Graphics 630 |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Budget | Desktop |
Value Analysis
The Celeron 2981U launched at $137 MSRP, while the Core i7-9700K debuted at $385.
| Feature | Celeron 2981U | Core i7-9700K |
|---|---|---|
| MSRP | $137-64% | $385 |
| Avg Price (30d) | — | $200 |
| Release Date | 2014 | 2018 |
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