CPU
GPU
Celeron 3865U
Pentium Dual Core T4500
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 Celeron 3865U is positioned at rank 645 and the Pentium Dual Core T4500 is on rank 1108, so the Celeron 3865U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3865U
Performance Per Dollar Pentium Dual Core T4500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3865U | Pentium Dual Core T4500 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
| Longevity | ✨ Modern (Kaby Lake-U (2017) / 14 nm) | 🛑 Legacy (NetBurst (2000−2006) / 45 nm) |
💎 Value Proposition
| Insight | Celeron 3865U | Pentium Dual Core T4500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
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 3865U and Pentium Dual Core T4500
Celeron 3865U
The Celeron 3865U is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake-U (2017) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 1,343 points. Launch price was $107.
Pentium Dual Core T4500
The Pentium Dual Core T4500 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,336 points. Launch price was $69.
Processing Power
Both the Celeron 3865U and Pentium Dual Core T4500 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Celeron 3865U versus 2.3 GHz on the Pentium Dual Core T4500 — a 24.4% clock advantage for the Pentium Dual Core T4500 (base: 1.8 GHz vs 2.3 GHz). The Celeron 3865U uses the Kaby Lake-U (2017) architecture (14 nm), while the Pentium Dual Core T4500 uses NetBurst (2000−2006) (45 nm). In PassMark, the Celeron 3865U scores 1,343 against the Pentium Dual Core T4500's 1,336 — a 0.5% lead for the Celeron 3865U. L3 cache: 2 MB (total) on the Celeron 3865U vs 0 kB on the Pentium Dual Core T4500.
| Feature | Celeron 3865U | Pentium Dual Core T4500 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.8 GHz | 2.3 GHz+28% |
| Base Clock | 1.8 GHz | 2.3 GHz+28% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Kaby Lake-U (2017) | NetBurst (2000−2006) |
| PassMark | 1,343 | 1,336 |
| Geekbench 6 Single | 389 | — |
| Geekbench 6 Multi | 674 | — |
Memory & Platform
The Celeron 3865U uses the BGA1356 socket (PCIe 3.0), while the Pentium Dual Core T4500 uses P (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 / LPDDR3-1866 on the Celeron 3865U versus DDR3-800 on the Pentium Dual Core T4500 — the Celeron 3865U supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3865U supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 10 (Celeron 3865U) vs 0 (Pentium Dual Core T4500) — the Celeron 3865U offers 10 more lanes for additional GPUs or NVMe drives.
| Feature | Celeron 3865U | Pentium Dual Core T4500 |
|---|---|---|
| Socket | BGA1356 | P |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR4-2133 / LPDDR3-1866+33% | DDR3-800 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 10 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x / VT-d / EPT (Celeron 3865U) vs No VT-x (Pentium Dual Core T4500). The Celeron 3865U includes integrated graphics (Intel HD Graphics 610), while the Pentium Dual Core T4500 requires a dedicated GPU. Primary use case: Celeron 3865U targets Entry-level, Pentium Dual Core T4500 targets Mobile. Direct competitor: Celeron 3865U rivals Pentium Gold 4415U.
| Feature | Celeron 3865U | Pentium Dual Core T4500 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics 610 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x / VT-d / EPT | No VT-x |
| Target Use | Entry-level | Mobile |
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