
Athlon II X3 400e vs Celeron M 743

Athlon II X3 400e

Celeron M 743
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 Athlon II X3 400e is positioned at rank 938 and the Celeron M 743 is on rank 1029, so the Athlon II X3 400e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X3 400e
Performance Per Dollar Celeron M 743
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 400e | Celeron M 743 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II X3 400e | Celeron M 743 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+50%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($15) |
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 Athlon II X3 400e and Celeron M 743

Athlon II X3 400e
The Athlon II X3 400e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,320 points. Launch price was $107.

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.
Processing Power
The Athlon II X3 400e packs 3 cores / 3 threads, while the Celeron M 743 offers 1 cores / 1 threads — the Athlon II X3 400e has 2 more cores. Boost clocks reach 2.2 GHz on the Athlon II X3 400e versus 1.3 GHz on the Celeron M 743 — a 51.4% clock advantage for the Athlon II X3 400e. The Athlon II X3 400e uses the Rana (2009−2011) architecture (45 nm), while the Celeron M 743 uses Penryn (2008−2011) (45 nm). In PassMark, the Athlon II X3 400e scores 1,320 against the Celeron M 743's 1,324 — a 0.3% lead for the Celeron M 743.
| Feature | Athlon II X3 400e | Celeron M 743 |
|---|---|---|
| Cores / Threads | 3 / 3+200% | 1 / 1 |
| Boost Clock | 2.2 GHz+69% | 1.3 GHz |
| Base Clock | 2.2 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB (per core) | 1 MB+100% |
| Process | 45 nm | 45 nm |
| Architecture | Rana (2009−2011) | Penryn (2008−2011) |
| PassMark | 1,320 | 1,324 |
Memory & Platform
The Athlon II X3 400e uses the AM3 socket (PCIe 2.0), while the Celeron M 743 uses BGA965 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Athlon II X3 400e | Celeron M 743 |
|---|---|---|
| Socket | AM3 | BGA965 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Value Analysis
The Athlon II X3 400e launched at $100 MSRP, while the Celeron M 743 debuted at $107. At current prices ($10 vs $15), the Athlon II X3 400e is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon II X3 400e delivers 132.0 pts/$ vs 88.3 pts/$ for the Celeron M 743 — making the Athlon II X3 400e the 39.7% better value option.
| Feature | Athlon II X3 400e | Celeron M 743 |
|---|---|---|
| MSRP | $100-7% | $107 |
| Avg Price (30d) | $10-33% | $15 |
| Performance per Dollar | 132.0+49% | 88.3 |
| Release Date | 2009 | 2009 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















