Phenom II X4 840T vs Celeron G5905T
Phenom II X4 840T
Celeron G5905T
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. The Phenom II X4 840T is positioned at rank #265 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X4 840T
Performance Per Dollar Celeron G5905T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 840T | Celeron G5905T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
| Longevity | 🛑 Legacy (Zosma (2010−2011) / 45 nm) | ✨ Modern (Legacy / 14 nm) |
💎 Value Proposition
| Insight | Phenom II X4 840T | Celeron G5905T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
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 Phenom II X4 840T and Celeron G5905T
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.
Celeron G5905T
The Celeron G5905T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.3 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,356 points. Launch price was $69.
Processing Power
The Phenom II X4 840T packs 4 cores / 4 threads, while the Celeron G5905T offers 2 cores / 2 threads — the Phenom II X4 840T has 2 more cores. The Phenom II X4 840T is built on the Zosma (2010−2011) architecture. In PassMark, the Phenom II X4 840T scores 2,367 against the Celeron G5905T's 2,356 — a 0.5% lead for the Phenom II X4 840T. L3 cache: 6 MB (total) on the Phenom II X4 840T vs 4 MB Intel® Smart Cache on the Celeron G5905T.
| Feature | Phenom II X4 840T | Celeron G5905T |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 3.2 GHz | — |
| Base Clock | 2.9 GHz | 3.3 GHz+14% |
| L3 Cache | 6 MB (total)+50% | 4 MB Intel® Smart Cache |
| L2 Cache | 512 kB (per core) | — |
| Process | 45 nm | 14 nm-69% |
| Architecture | Zosma (2010−2011) | — |
| PassMark | 2,367 | 2,356 |
| Geekbench 6 Single | — | 748 |
| Geekbench 6 Multi | — | 750 |
Memory & Platform
The Phenom II X4 840T uses the AM3 socket (PCIe 2.0), while the Celeron G5905T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X4 840T | Celeron G5905T |
|---|---|---|
| Socket | AM3 | LGA1200 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Phenom II X4 840T) / VT-x (Celeron G5905T). The Celeron G5905T includes integrated graphics (UHD Graphics 610), while the Phenom II X4 840T requires a dedicated GPU. Primary use case: Celeron G5905T targets Budget. Direct competitor: Celeron G5905T rivals Pentium Gold G6405T.
| Feature | Phenom II X4 840T | Celeron G5905T |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 610 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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