Core i5-12400F vs Celeron J3455
Core i5-12400F
Celeron J3455
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 Core i5-12400F
Performance Per Dollar Celeron J3455
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-12400F | Celeron J3455 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($110) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | 🛑 Legacy (Apollo Lake (2014−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-12400F | Celeron J3455 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($110) | ✅ More affordable ($0) |
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 i5-12400F and Celeron J3455
Core i5-12400F
The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.
Celeron J3455
The Celeron J3455 is manufactured by Intel. It was released in 30 August 2016 (9 years ago). It is based on the Apollo Lake (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1296. Thermal design power (TDP): 10 Watt. Memory support: DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s. Passmark benchmark score: 2,247 points. Launch price was $107.
Processing Power
The Core i5-12400F packs 6 cores / 12 threads, while the Celeron J3455 offers 4 cores / 4 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.3 GHz on the Celeron J3455 — a 62.7% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 1.5 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Celeron J3455 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Core i5-12400F scores 19,532 against the Celeron J3455's 2,247 — a 158.7% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 450, a 116.3% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 850 (25.6% advantage for the Celeron J3455). L3 cache: 18 MB (total) on the Core i5-12400F vs 0 kB on the Celeron J3455.
| Feature | Core i5-12400F | Celeron J3455 |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 4.4 GHz+91% | 2.3 GHz |
| Base Clock | 2.5 GHz+67% | 1.5 GHz |
| L3 Cache | 18 MB (total) | 0 kB |
| L2 Cache | 1.25 MB (per core) | 2 MB+60% |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-S (2022) | Apollo Lake (2014−2016) |
| PassMark | 19,532+769% | 2,247 |
| Cinebench R23 Multi | 12,380 | — |
| Geekbench 6 Single | 1,700+278% | 450 |
| Geekbench 6 Multi | 657 | 850+29% |
Memory & Platform
The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Celeron J3455 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR4-2400 on the Celeron J3455 — the Core i5-12400F supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-12400F) vs 6 (Celeron J3455) — the Core i5-12400F offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and N/A (SoC) (Celeron J3455).
| Feature | Core i5-12400F | Celeron J3455 |
|---|---|---|
| Socket | LGA1700 | FCBGA1296 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200+25% | DDR4-2400 |
| Max RAM Capacity | 128 GB+1500% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20+233% | 6 |
Advanced Features
Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x (Celeron J3455). The Celeron J3455 includes integrated graphics (HD Graphics 500), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value, Celeron J3455 targets Low Power. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Celeron J3455 rivals Pentium J4205.
| Feature | Core i5-12400F | Celeron J3455 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 500 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | VT-x, VT-d, EPT | VT-x |
| Target Use | Gaming Performance/Value | Low Power |
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