Celeron G550 vs A6-5400K
Celeron G550
A6-5400K
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 G550 is positioned at rank 698 and the A6-5400K is on rank 765, so the Celeron G550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G550
Performance Per Dollar A6-5400K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G550 | A6-5400K |
|---|---|---|
| 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 (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Trinity (2012−2013) / 32 nm) |
💎 Value Proposition
| Insight | Celeron G550 | A6-5400K |
|---|---|---|
| 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 G550 and A6-5400K
Celeron G550
The Celeron G550 is manufactured by Intel. It was released in 1 June 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,275 points. Launch price was $80.
A6-5400K
The A6-5400K is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.6 GHz, with boost up to 3.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,279 points. Launch price was $70.
Processing Power
Both the Celeron G550 and A6-5400K share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the Celeron G550 versus 3.8 GHz on the A6-5400K — a 37.5% clock advantage for the A6-5400K (base: 2.6 GHz vs 3.6 GHz). The Celeron G550 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the A6-5400K uses Trinity (2012−2013) (32 nm). In PassMark, the Celeron G550 scores 1,275 against the A6-5400K's 1,279 — a 0.3% lead for the A6-5400K. Geekbench 6 single-core — the metric most relevant to gaming — records 379 vs 390, a 2.9% lead for the A6-5400K that directly translates to higher frame rates. L3 cache: 2 MB (total) on the Celeron G550 vs 0 kB on the A6-5400K.
| Feature | Celeron G550 | A6-5400K |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.6 GHz | 3.8 GHz+46% |
| Base Clock | 2.6 GHz | 3.6 GHz+38% |
| L3 Cache | 2 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Trinity (2012−2013) |
| PassMark | 1,275 | 1,279 |
| Geekbench 6 Single | 379 | 390+3% |
| Geekbench 6 Multi | 663 | — |
Memory & Platform
The Celeron G550 uses the LGA1155 socket (PCIe 2.0), while the A6-5400K uses FM2 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H61,B65,H67,Z68 (Celeron G550) and A55,A75,A85X,A88X (A6-5400K).
| Feature | Celeron G550 | A6-5400K |
|---|---|---|
| Socket | LGA1155 | FM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3-1866 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the A6-5400K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x (Celeron G550) vs AMD-V (A6-5400K). Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron G550) and Radeon HD 7540D (A6-5400K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G550 targets Budget, A6-5400K targets Budget Desktop. Direct competitor: Celeron G550 rivals Pentium G630; A6-5400K rivals Pentium G2120.
| Feature | Celeron G550 | A6-5400K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | Radeon HD 7540D |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Budget | Budget Desktop |
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