
Celeron J3455E vs Core i7-12700K

Celeron J3455E

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. 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
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J3455E | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($285) |
| Longevity | ✨ Modern (Legacy / 14 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Celeron J3455E | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ 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 J3455E and Core i7-12700K

Celeron J3455E
The Celeron J3455E is manufactured by Intel. It was released in 2007-01-01. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,193 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 J3455E packs 4 cores / 4 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 8 more cores. Boost clocks reach 2.3 GHz on the Celeron J3455E versus 5 GHz on the Core i7-12700K — a 74% clock advantage for the Core i7-12700K (base: 1.5 GHz vs 3.6 GHz). The Core i7-12700K is built on the Alder Lake, Golden Cove, Gracemont (2021) architecture. In PassMark, the Celeron J3455E scores 2,193 against the Core i7-12700K's 34,347 — a 176% lead for the Core i7-12700K. L3 cache: 2 MB on the Celeron J3455E vs 25 MB (total) on the Core i7-12700K.
| Feature | Celeron J3455E | Core i7-12700K |
|---|---|---|
| Cores / Threads | 4 / 4 | 12 / 20+200% |
| Boost Clock | 2.3 GHz | 5 GHz+117% |
| Base Clock | 1.5 GHz | 3.6 GHz+140% |
| L3 Cache | 2 MB | 25 MB (total)+1150% |
| L2 Cache | — | 1.25 MB (per core) |
| Process | 14 nm | 10 nm-29% |
| Architecture | — | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 2,193 | 34,347+1466% |
| Geekbench 6 Single | 450 | — |
| Geekbench 6 Multi | 850 | — |
Memory & Platform
Maximum memory speed reaches DDR4-2400 on the Celeron J3455E versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-12700K supports up to 128 of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J3455E) vs 20 (Core i7-12700K) — the Core i7-12700K offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: N/A (SoC) (Celeron J3455E) and Z690,B660 (Core i7-12700K).
| Feature | Celeron J3455E | Core i7-12700K |
|---|---|---|
| Socket | — | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2400 | 4800+119900% |
| Max RAM Capacity | 8 GB+6553500% | 128 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 6 | 20+233% |
Advanced Features
Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron J3455E) vs VT-x, VT-d (Core i7-12700K). Both include integrated graphics — HD Graphics 500 (Celeron J3455E) and Intel UHD Graphics 770 (Core i7-12700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron J3455E targets Low Power. Direct competitor: Celeron J3455E rivals Pentium J4205; Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Celeron J3455E | Core i7-12700K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 500 | Intel UHD Graphics 770 |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Low Power | — |
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