A6-6420K vs Celeron G1620
A6-6420K
Celeron G1620
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 A6-6420K is positioned at rank 656 and the Celeron G1620 is on rank 590, so the Celeron G1620 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-6420K
Performance Per Dollar Celeron G1620
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-6420K | Celeron G1620 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Richland (2013−2014) / 32 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | A6-6420K | Celeron G1620 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
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 A6-6420K and Celeron G1620
A6-6420K
The A6-6420K is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L2 cache: 1024 kB. Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,571 points. Launch price was $70.
Celeron G1620
The Celeron G1620 is manufactured by Intel. It was released in 3 December 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 1,586 points. Launch price was $208.
Processing Power
Both the A6-6420K and Celeron G1620 share an identical 2-core/2-thread configuration. Boost clocks reach 4.2 GHz on the A6-6420K versus 2.7 GHz on the Celeron G1620 — a 43.5% clock advantage for the A6-6420K (base: 4 GHz vs 2.7 GHz). The A6-6420K uses the Richland (2013−2014) architecture (32 nm), while the Celeron G1620 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the A6-6420K scores 1,571 against the Celeron G1620's 1,586 — a 1% lead for the Celeron G1620.
| Feature | A6-6420K | Celeron G1620 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 4.2 GHz+56% | 2.7 GHz |
| Base Clock | 4 GHz+48% | 2.7 GHz |
| L3 Cache | — | 2 MB (total) |
| L2 Cache | 1024 kB+300% | 256 kB (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Richland (2013−2014) | Ivy Bridge (2012−2013) |
| PassMark | 1,571 | 1,586 |
| Geekbench 6 Single | — | 441 |
| Geekbench 6 Multi | — | 760 |
Memory & Platform
The A6-6420K uses the FM2 socket (PCIe 3.0), while the Celeron G1620 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1866 on the A6-6420K versus DDR3-1333 on the Celeron G1620 — the A6-6420K supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: FM2 (A6-6420K) and H77,B75,Z77,H61,P67,Z68 (Celeron G1620).
| Feature | A6-6420K | Celeron G1620 |
|---|---|---|
| Socket | FM2 | LGA1155 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 1866+62100% | DDR3-1333 |
| Max RAM Capacity | 32 | 32 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the A6-6420K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (A6-6420K) vs VT-x, EPT (Celeron G1620). Both include integrated graphics — Radeon HD 8470D (A6-6420K) and Intel HD Graphics (Ivy Bridge GT1) (Celeron G1620) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron G1620 targets Desktop. Direct competitor: A6-6420K rivals Pentium G3258; Celeron G1620 rivals Pentium G2030.
| Feature | A6-6420K | Celeron G1620 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 8470D | Intel HD Graphics (Ivy Bridge GT1) |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, EPT |
| Target Use | — | Desktop |
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