Celeron G3920 vs Phenom II X4 840T
Celeron G3920
Phenom II X4 840T
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 G3920 is positioned at rank 364 and the Phenom II X4 840T is on rank 265, so the Phenom II X4 840T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G3920
Performance Per Dollar Phenom II X4 840T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G3920 | Phenom II X4 840T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Zosma (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron G3920 | Phenom II X4 840T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ 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 G3920 and Phenom II X4 840T
Celeron G3920
The Celeron G3920 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 51 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,358 points. Launch price was $52.
Phenom II X4 840T
The Phenom II X4 840T is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Zosma (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,367 points. Launch price was $80.
Processing Power
The Celeron G3920 packs 2 cores / 2 threads, while the Phenom II X4 840T offers 4 cores / 4 threads — the Phenom II X4 840T has 2 more cores. Boost clocks reach 2.9 GHz on the Celeron G3920 versus 3.2 GHz on the Phenom II X4 840T — a 9.8% clock advantage for the Phenom II X4 840T (base: 2.9 GHz vs 2.9 GHz). The Celeron G3920 uses the Skylake (2015−2016) architecture (14 nm), while the Phenom II X4 840T uses Zosma (2010−2011) (45 nm). In PassMark, the Celeron G3920 scores 2,358 against the Phenom II X4 840T's 2,367 — a 0.4% lead for the Phenom II X4 840T. L3 cache: 4 MB (total) on the Celeron G3920 vs 6 MB (total) on the Phenom II X4 840T.
| Feature | Celeron G3920 | Phenom II X4 840T |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.9 GHz | 3.2 GHz+10% |
| Base Clock | 2.9 GHz | 2.9 GHz |
| L3 Cache | 4 MB (total) | 6 MB (total)+50% |
| L2 Cache | 256K (per core) | 512 kB (per core)+100% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Skylake (2015−2016) | Zosma (2010−2011) |
| PassMark | 2,358 | 2,367 |
| Geekbench 6 Single | 699 | — |
| Geekbench 6 Multi | 948 | — |
Memory & Platform
The Celeron G3920 uses the LGA1151 socket (PCIe 3.0), while the Phenom II X4 840T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Celeron G3920 | Phenom II X4 840T |
|---|---|---|
| Socket | LGA1151 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Celeron G3920) / not specified (Phenom II X4 840T). The Celeron G3920 includes integrated graphics (HD Graphics 510), while the Phenom II X4 840T requires a dedicated GPU. Primary use case: Celeron G3920 targets Budget. Direct competitor: Celeron G3920 rivals Pentium G4400.
| Feature | Celeron G3920 | Phenom II X4 840T |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 510 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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