
Core i5-3427U vs Celeron J3455

Core i5-3427U

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. The Core i5-3427U is positioned at rank 979 and the Celeron J3455 is on rank 994, so the Core i5-3427U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-3427U
Performance Per Dollar Celeron J3455
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-3427U | Celeron J3455 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Apollo Lake (2014−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-3427U | Celeron J3455 |
|---|---|---|
| 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 i5-3427U and Celeron J3455

Core i5-3427U
The Core i5-3427U is manufactured by Intel. It was released in 1 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 2.8 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3/L/-RS 1333/1600. Passmark benchmark score: 2,252 points. Launch price was $225.

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 i5-3427U packs 2 cores / 4 threads, while the Celeron J3455 offers 4 cores / 4 threads — the Celeron J3455 has 2 more cores. Boost clocks reach 2.8 GHz on the Core i5-3427U versus 2.3 GHz on the Celeron J3455 — a 19.6% clock advantage for the Core i5-3427U (base: 1.8 GHz vs 1.5 GHz). The Core i5-3427U uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Celeron J3455 uses Apollo Lake (2014−2016) (14 nm). In PassMark, the Core i5-3427U scores 2,252 against the Celeron J3455's 2,247 — a 0.2% lead for the Core i5-3427U. L3 cache: 3 MB (total) on the Core i5-3427U vs 0 kB on the Celeron J3455.
| Feature | Core i5-3427U | Celeron J3455 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.8 GHz+22% | 2.3 GHz |
| Base Clock | 1.8 GHz+20% | 1.5 GHz |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 2 MB+700% |
| Process | 22 nm | 14 nm-36% |
| Architecture | Ivy Bridge (2012−2013) | Apollo Lake (2014−2016) |
| PassMark | 2,252 | 2,247 |
| Geekbench 6 Single | — | 450 |
| Geekbench 6 Multi | — | 850 |
Memory & Platform
The Core i5-3427U uses the BGA1023 socket (PCIe 3.0), while the Celeron J3455 uses FCBGA1296 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Core i5-3427U versus DDR4-2400 on the Celeron J3455 — the Core i5-3427U supports 199% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-3427U supports up to 32 of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i5-3427U) vs 6 (Celeron J3455) — the Core i5-3427U offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM76,UM77,QM77,QS77 (Core i5-3427U) and N/A (SoC) (Celeron J3455).
| Feature | Core i5-3427U | Celeron J3455 |
|---|---|---|
| Socket | BGA1023 | FCBGA1296 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 1600+39900% | DDR4-2400 |
| Max RAM Capacity | 32 | 8 GB+26214300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+167% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core i5-3427U) vs VT-x (Celeron J3455). Both include integrated graphics — Intel HD Graphics 4000 (Core i5-3427U) and HD Graphics 500 (Celeron J3455) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron J3455 targets Low Power. Direct competitor: Core i5-3427U rivals AMD A8-4555M; Celeron J3455 rivals Pentium J4205.
| Feature | Core i5-3427U | Celeron J3455 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics 4000 | HD Graphics 500 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Low Power |
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