
Xeon E5462 vs Celeron J3455E

Xeon E5462

Celeron J3455E
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 Xeon E5462 is positioned at rank #955 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 Xeon E5462
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5462 | Celeron J3455E |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($45) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5462 | Celeron J3455E |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($45) | ✅ 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 Xeon E5462 and Celeron J3455E

Xeon E5462
The Xeon E5462 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,213 points. Launch price was $797.

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.
Processing Power
Both the Xeon E5462 and Celeron J3455E share an identical 4-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Xeon E5462 versus 2.3 GHz on the Celeron J3455E — a 19.6% clock advantage for the Xeon E5462 (base: 2.8 GHz vs 1.5 GHz). The Xeon E5462 is built on the Harpertown (2007−2008) architecture. In PassMark, the Xeon E5462 scores 2,213 against the Celeron J3455E's 2,193 — a 0.9% lead for the Xeon E5462. Geekbench 6 single-core — the metric most relevant to gaming — records 363 vs 450, a 21.4% lead for the Celeron J3455E that directly translates to higher frame rates. Multi-core Geekbench: 1,239 vs 850 (37.2% advantage for the Xeon E5462). L3 cache: 12 MB L2 Cache on the Xeon E5462 vs 2 MB on the Celeron J3455E.
| Feature | Xeon E5462 | Celeron J3455E |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.8 GHz+22% | 2.3 GHz |
| Base Clock | 2.8 GHz+87% | 1.5 GHz |
| L3 Cache | 12 MB L2 Cache+500% | 2 MB |
| L2 Cache | 6 MB (total) | — |
| Process | 45 nm | 14 nm-69% |
| Architecture | Harpertown (2007−2008) | — |
| PassMark | 2,213 | 2,193 |
| Geekbench 6 Single | 363 | 450+24% |
| Geekbench 6 Multi | 1,239+46% | 850 |
Memory & Platform
Maximum memory speed reaches DDR2 on the Xeon E5462 versus DDR4-2400 on the Celeron J3455E — the Celeron J3455E supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5462 supports up to 64 GB of RAM compared to 8 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Xeon E5462) vs 6 (Celeron J3455E) — the Xeon E5462 offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 5000P,3210,G31,P35 (Xeon E5462) and N/A (SoC) (Celeron J3455E).
| Feature | Xeon E5462 | Celeron J3455E |
|---|---|---|
| Socket | LGA771 | — |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR2 | DDR4-2400+100% |
| Max RAM Capacity | 64 GB+700% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16+167% | 6 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. The Celeron J3455E includes integrated graphics (HD Graphics 500), while the Xeon E5462 requires a dedicated GPU. Primary use case: Xeon E5462 targets Server, Celeron J3455E targets Low Power. Direct competitor: Xeon E5462 rivals Athlon 64 X2 4000+; Celeron J3455E rivals Pentium J4205.
| Feature | Xeon E5462 | Celeron J3455E |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 500 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Server | Low Power |
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