
Celeron J3455E vs Ryzen 7 5800X

Celeron J3455E
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Ryzen 7 5800X
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 Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J3455E | Ryzen 7 5800X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
| Longevity | ✨ Modern (Legacy / 14 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Celeron J3455E | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
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 Ryzen 7 5800X

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.

Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.
Processing Power
The Celeron J3455E packs 4 cores / 4 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 4 more cores. Boost clocks reach 2.3 GHz on the Celeron J3455E versus 4.7 GHz on the Ryzen 7 5800X — a 68.6% clock advantage for the Ryzen 7 5800X (base: 1.5 GHz vs 3.8 GHz). The Ryzen 7 5800X is built on the Vermeer (Zen 3) (2020−2022) architecture. In PassMark, the Celeron J3455E scores 2,193 against the Ryzen 7 5800X's 27,712 — a 170.7% lead for the Ryzen 7 5800X. L3 cache: 2 MB on the Celeron J3455E vs 32 MB on the Ryzen 7 5800X.
| Feature | Celeron J3455E | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 4 / 4 | 8 / 16+100% |
| Boost Clock | 2.3 GHz | 4.7 GHz+104% |
| Base Clock | 1.5 GHz | 3.8 GHz+153% |
| L3 Cache | 2 MB | 32 MB+1500% |
| L2 Cache | — | 512K (per core) |
| Process | 14 nm | 7 nm, 12 nm-50% |
| Architecture | — | Vermeer (Zen 3) (2020−2022) |
| PassMark | 2,193 | 27,712+1164% |
| Geekbench 6 Single | 450 | — |
| Geekbench 6 Multi | 850 | — |
Memory & Platform
Both support up to DDR4-2400 memory speed. The Ryzen 7 5800X 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: 6 (Celeron J3455E) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 18 more lanes for additional GPUs or NVMe drives. Chipset compatibility: N/A (SoC) (Celeron J3455E) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).
| Feature | Celeron J3455E | Ryzen 7 5800X |
|---|---|---|
| Socket | — | AM4 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | DDR4-2400 | DDR4-3200 |
| Max RAM Capacity | 8 GB | 128 GB+1500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 6 | 24+300% |
Advanced Features
Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron J3455E) vs AMD-V (Ryzen 7 5800X). The Celeron J3455E includes integrated graphics (HD Graphics 500), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Celeron J3455E targets Low Power, Ryzen 7 5800X targets Desktop. Direct competitor: Celeron J3455E rivals Pentium J4205.
| Feature | Celeron J3455E | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics 500 | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Low Power | Desktop |
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