Celeron M 743 vs Celeron N2840
Celeron M 743
Celeron N2840
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 M 743 is positioned at rank 1029 and the Celeron N2840 is on rank 157, so the Celeron N2840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron M 743
Performance Per Dollar Celeron N2840
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron M 743 | Celeron N2840 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Celeron M 743 | Celeron N2840 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Celeron M 743 and Celeron N2840
Celeron M 743
The Celeron M 743 is manufactured by Intel. It was released in 1 September 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 1 cores and 1 threads. Max frequency: 1.3 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: BGA965. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,324 points. Launch price was $107.
Celeron N2840
The Celeron N2840 is manufactured by Intel. It was released in 2007-01-01. It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.58 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3. Passmark benchmark score: 1,331 points. Launch price was $69.
Processing Power
The Celeron M 743 packs 1 cores / 1 threads, while the Celeron N2840 offers 2 cores / 2 threads — the Celeron N2840 has 1 more core. Boost clocks reach 1.3 GHz on the Celeron M 743 versus 2.58 GHz on the Celeron N2840 — a 66% clock advantage for the Celeron N2840. The Celeron M 743 uses the Penryn (2008−2011) architecture (45 nm), while the Celeron N2840 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Celeron M 743 scores 1,324 against the Celeron N2840's 1,331 — a 0.5% lead for the Celeron N2840.
| Feature | Celeron M 743 | Celeron N2840 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 1.3 GHz | 2.58 GHz+98% |
| Base Clock | — | 2.16 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+100% | 512K (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Penryn (2008−2011) | Bay Trail-M (2013−2014) |
| PassMark | 1,324 | 1,331 |
| Geekbench 6 Single | — | 230 |
| Geekbench 6 Multi | — | 430 |
Memory & Platform
The Celeron M 743 uses the BGA965 socket (PCIe 1.1), while the Celeron N2840 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron M 743 | Celeron N2840 |
|---|---|---|
| Socket | BGA965 | FCBGA1170 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | — | DDR3L-1333 |
| Max RAM Capacity | — | 8 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 4 |
Advanced Features
Virtualization: not specified (Celeron M 743) / VT-x (Celeron N2840). The Celeron N2840 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Celeron M 743 requires a dedicated GPU. Primary use case: Celeron N2840 targets Netbook. Direct competitor: Celeron N2840 rivals AMD A6-6310.
| Feature | Celeron M 743 | Celeron N2840 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Netbook |
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