
Celeron 3755U vs Pentium T4400

Celeron 3755U

Pentium T4400
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 3755U is positioned at rank 348 and the Pentium T4400 is on rank 1054, so the Celeron 3755U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 3755U
Performance Per Dollar Pentium T4400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3755U | Pentium T4400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | 🛑 Legacy (Legacy / 45 nm) |
💎 Value Proposition
| Insight | Celeron 3755U | Pentium T4400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 3755U and Pentium T4400

Celeron 3755U
The Celeron 3755U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,182 points. Launch price was $107.

Pentium T4400
The Pentium T4400 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.2 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,175 points. Launch price was $69.
Processing Power
The Celeron 3755U is built on the Broadwell-U (2015) architecture. In PassMark, the Celeron 3755U scores 1,182 against the Pentium T4400's 1,175 — a 0.6% lead for the Celeron 3755U. L3 cache: 2 MB (total) on the Celeron 3755U vs 1 MB L2 Cache on the Pentium T4400.
| Feature | Celeron 3755U | Pentium T4400 |
|---|---|---|
| Cores / Threads | 2 / 2 | — |
| Boost Clock | 1.7 GHz | — |
| Base Clock | 1.7 GHz | 2.2 GHz+29% |
| L3 Cache | 2 MB (total)+100% | 1 MB L2 Cache |
| L2 Cache | 256K (per core) | — |
| Process | 14 nm-69% | 45 nm |
| Architecture | Broadwell-U (2015) | — |
| PassMark | 1,182 | 1,175 |
| Geekbench 6 Single | — | 249 |
| Geekbench 6 Multi | 625 | — |
Memory & Platform
The Celeron 3755U uses the FCBGA1168 socket (PCIe 3.0), while the Pentium T4400 uses PGA478 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1600 memory speed. The Celeron 3755U supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 3755U) vs 0 (Pentium T4400) — the Celeron 3755U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 3755U) and GL40,GM45 (Pentium T4400).
| Feature | Celeron 3755U | Pentium T4400 |
|---|---|---|
| Socket | FCBGA1168 | PGA478 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3L-1600 | DDR3-800 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 3755U) vs None (Pentium T4400). The Celeron 3755U includes integrated graphics (HD Graphics (Broadwell)), while the Pentium T4400 requires a dedicated GPU. Primary use case: Celeron 3755U targets Budget, Pentium T4400 targets Budget. Direct competitor: Celeron 3755U rivals Pentium 3825U; Pentium T4400 rivals AMD A4-3300M.
| Feature | Celeron 3755U | Pentium T4400 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics (Broadwell) | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | None |
| Target Use | Budget | Budget |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















