
Celeron M U3400 vs Core i7-12700K

Celeron M U3400

Core i7-12700K
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 M U3400 is positioned at rank #998 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 M U3400
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($285) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+100%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($285) |
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 M U3400 and Core i7-12700K

Celeron M U3400
The Celeron M U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.06 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 1,205 points. Launch price was $69.

Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Processing Power
The Celeron M U3400 packs 2 cores / 2 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 10 more cores. Boost clocks reach 1.06 GHz on the Celeron M U3400 versus 5 GHz on the Core i7-12700K — a 130% clock advantage for the Core i7-12700K. The Celeron M U3400 uses the Arrandale (2010−2011) architecture (32 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Celeron M U3400 scores 1,205 against the Core i7-12700K's 34,347 — a 186.4% lead for the Core i7-12700K. L3 cache: 2 MB on the Celeron M U3400 vs 25 MB (total) on the Core i7-12700K.
| Feature | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| Cores / Threads | 2 / 2 | 12 / 20+500% |
| Boost Clock | 1.06 GHz | 5 GHz+372% |
| Base Clock | — | 3.6 GHz |
| L3 Cache | 2 MB | 25 MB (total)+1150% |
| L2 Cache | 512 kB | 1.25 MB (per core)+150% |
| Process | 32 nm | 10 nm-69% |
| Architecture | Arrandale (2010−2011) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 1,205 | 34,347+2750% |
Memory & Platform
The Celeron M U3400 uses the BGA1288 socket (PCIe 2.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| Socket | BGA1288 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | — | 4800 |
| Max RAM Capacity | — | 128 |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Celeron M U3400) / VT-x, VT-d (Core i7-12700K). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Celeron M U3400 requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
Value Analysis
The Celeron M U3400 launched at $86 MSRP, while the Core i7-12700K debuted at $409. At current prices ($5 vs $285), the Celeron M U3400 is $280 cheaper. In terms of value (PassMark points per dollar), the Celeron M U3400 delivers 241.0 pts/$ vs 120.5 pts/$ for the Core i7-12700K — making the Celeron M U3400 the 66.7% better value option.
| Feature | Celeron M U3400 | Core i7-12700K |
|---|---|---|
| MSRP | $86-79% | $409 |
| Avg Price (30d) | $5-98% | $285 |
| Performance per Dollar | 241.0+100% | 120.5 |
| Release Date | 2010 | 2021 |
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