Celeron G5905T vs A8-3870K
Celeron G5905T
A8-3870K
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G5905T
Performance Per Dollar A8-3870K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G5905T | A8-3870K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Celeron G5905T | A8-3870K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 G5905T and A8-3870K
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.
A8-3870K
The A8-3870K is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 2,360 points. Launch price was $90.
Processing Power
The Celeron G5905T packs 2 cores / 2 threads, while the A8-3870K offers 4 cores / 4 threads — the A8-3870K has 2 more cores. The A8-3870K is built on the Llano (2011−2012) architecture. In PassMark, the Celeron G5905T scores 2,356 against the A8-3870K's 2,360 — a 0.2% lead for the A8-3870K. Geekbench 6 single-core — the metric most relevant to gaming — records 748 vs 380, a 65.2% lead for the Celeron G5905T that directly translates to higher frame rates. L3 cache: 4 MB Intel® Smart Cache on the Celeron G5905T vs 0 kB on the A8-3870K.
| Feature | Celeron G5905T | A8-3870K |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | — | 3 GHz |
| Base Clock | 3.3 GHz+10% | 3 GHz |
| L3 Cache | 4 MB Intel® Smart Cache | 0 kB |
| L2 Cache | — | 1 MB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | — | Llano (2011−2012) |
| PassMark | 2,356 | 2,360 |
| Geekbench 6 Single | 748+97% | 380 |
| Geekbench 6 Multi | 750 | — |
Memory & Platform
The Celeron G5905T uses the LGA1200 socket (PCIe 3.0), while the A8-3870K uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Celeron G5905T versus DDR3-1866 on the A8-3870K — the Celeron G5905T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G5905T supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G5905T) vs 20 (A8-3870K) — the A8-3870K offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Celeron G5905T) and A55,A75 (A8-3870K).
| Feature | Celeron G5905T | A8-3870K |
|---|---|---|
| Socket | LGA1200 | FM1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2666+33% | DDR3-1866 |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 20+25% |
Advanced Features
Only the A8-3870K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron G5905T) vs AMD-V (A8-3870K). Both include integrated graphics — UHD Graphics 610 (Celeron G5905T) and Radeon HD 6550D (A8-3870K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G5905T targets Budget, A8-3870K targets Budget Gaming Desktop. Direct competitor: Celeron G5905T rivals Pentium Gold G6405T; A8-3870K rivals Core i3-2125.
| Feature | Celeron G5905T | A8-3870K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | UHD Graphics 610 | Radeon HD 6550D |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Budget | Budget Gaming Desktop |
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