Celeron 3755U vs Atom Z3770
Celeron 3755U
Atom Z3770
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 Atom Z3770 is on rank 702, 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 Atom Z3770
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3755U | Atom Z3770 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Broadwell-U (2015) / 14 nm) | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Celeron 3755U | Atom Z3770 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Atom Z3770
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.
Atom Z3770
The Atom Z3770 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.39 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 1,189 points. Launch price was $37.
Processing Power
The Celeron 3755U packs 2 cores / 2 threads, while the Atom Z3770 offers 4 cores / 4 threads — the Atom Z3770 has 2 more cores. Boost clocks reach 1.7 GHz on the Celeron 3755U versus 2.39 GHz on the Atom Z3770 — a 33.7% clock advantage for the Atom Z3770 (base: 1.7 GHz vs 1.46 GHz). The Celeron 3755U uses the Broadwell-U (2015) architecture (14 nm), while the Atom Z3770 uses Bay Trail-T (2013−2014) (22 nm). In PassMark, the Celeron 3755U scores 1,182 against the Atom Z3770's 1,189 — a 0.6% lead for the Atom Z3770. L3 cache: 2 MB (total) on the Celeron 3755U vs 0 kB on the Atom Z3770.
| Feature | Celeron 3755U | Atom Z3770 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 1.7 GHz | 2.39 GHz+41% |
| Base Clock | 1.7 GHz+16% | 1.46 GHz |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 512K (per core)+100% |
| Process | 14 nm-36% | 22 nm |
| Architecture | Broadwell-U (2015) | Bay Trail-T (2013−2014) |
| PassMark | 1,182 | 1,189 |
| Geekbench 6 Multi | 625 | — |
Memory & Platform
The Celeron 3755U uses the FCBGA1168 socket (PCIe 3.0), while the Atom Z3770 uses UTFCBGA1380 (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 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 12 (Celeron 3755U) vs 0 (Atom Z3770) — the Celeron 3755U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Wildcat Point-LP (Celeron 3755U) and Intel FC-UTBGA592 (Atom Z3770).
| Feature | Celeron 3755U | Atom Z3770 |
|---|---|---|
| Socket | FCBGA1168 | UTFCBGA1380 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3L-1600 | LPDDR3-1066 |
| Max RAM Capacity | 16 GB+300% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 0 |
Advanced Features
Virtualization: VT-x, VT-d (Celeron 3755U) / not specified (Atom Z3770). Both include integrated graphics — HD Graphics (Broadwell) (Celeron 3755U) and Intel HD Graphics (Bay Trail) (Atom Z3770) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3755U targets Budget. Direct competitor: Celeron 3755U rivals Pentium 3825U.
| Feature | Celeron 3755U | Atom Z3770 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Broadwell) | Intel HD Graphics (Bay Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Budget | — |
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