
Celeron 3965U vs Core 2 Duo T5750

Celeron 3965U

Core 2 Duo T5750
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 3965U is positioned at rank 265 and the Core 2 Duo T5750 is on rank 28, so the Core 2 Duo T5750 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3965U
Performance Per Dollar Core 2 Duo T5750
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3965U | Core 2 Duo T5750 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($8) |
| Longevity | ✨ Modern (Kaby Lake-U (2017) / 14 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 3965U | Core 2 Duo T5750 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($8) |
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 3965U and Core 2 Duo T5750

Celeron 3965U
The Celeron 3965U 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 2.2 GHz, with boost up to 2.2 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: 1,753 points. Launch price was $107.

Core 2 Duo T5750
The Core 2 Duo T5750 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,738 points. Launch price was $249.
Processing Power
Both the Celeron 3965U and Core 2 Duo T5750 share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Celeron 3965U versus 2 GHz on the Core 2 Duo T5750 — a 9.5% clock advantage for the Celeron 3965U (base: 2.2 GHz vs 2 GHz). The Celeron 3965U uses the Kaby Lake-U (2017) architecture (14 nm), while the Core 2 Duo T5750 uses Merom (2006−2008) (65 nm). In PassMark, the Celeron 3965U scores 1,753 against the Core 2 Duo T5750's 1,738 — a 0.9% lead for the Celeron 3965U. Geekbench 6 single-core — the metric most relevant to gaming — records 600 vs 360, a 50% lead for the Celeron 3965U that directly translates to higher frame rates. Multi-core Geekbench: 1,200 vs 680 (55.3% advantage for the Celeron 3965U). L3 cache: 2 MB (total) on the Celeron 3965U vs 2 MB L2 Cache on the Core 2 Duo T5750.
| Feature | Celeron 3965U | Core 2 Duo T5750 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz+10% | 2 GHz |
| Base Clock | 2.2 GHz+10% | 2 GHz |
| L3 Cache | 2 MB (total) | 2 MB L2 Cache |
| L2 Cache | 256K (per core) | 2 MB+700% |
| Process | 14 nm-78% | 65 nm |
| Architecture | Kaby Lake-U (2017) | Merom (2006−2008) |
| PassMark | 1,753 | 1,738 |
| Geekbench 6 Single | 600+67% | 360 |
| Geekbench 6 Multi | 1,200+76% | 680 |
Memory & Platform
The Celeron 3965U uses the BGA1356 socket (PCIe 3.0), while the Core 2 Duo T5750 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron 3965U versus DDR2-667 on the Core 2 Duo T5750 — the Celeron 3965U supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3965U supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 10 (Celeron 3965U) vs 0 (Core 2 Duo T5750) — the Celeron 3965U offers 10 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Celeron 3965U) and GM965,PM965 (Core 2 Duo T5750).
| Feature | Celeron 3965U | Core 2 Duo T5750 |
|---|---|---|
| Socket | BGA1356 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR4-2133+100% | DDR2-667 |
| Max RAM Capacity | 32 GB+700% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 10 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron 3965U) vs None (Core 2 Duo T5750). The Celeron 3965U includes integrated graphics (Intel HD Graphics 610), while the Core 2 Duo T5750 requires a dedicated GPU. Primary use case: Celeron 3965U targets Budget Laptop, Core 2 Duo T5750 targets Legacy Laptop. Direct competitor: Celeron 3965U rivals Pentium Gold 4415U.
| Feature | Celeron 3965U | Core 2 Duo T5750 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics 610 | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | None |
| Target Use | Budget Laptop | Legacy Laptop |
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