A6-4455M vs Celeron G1820
A6-4455M
Celeron G1820
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 A6-4455M is positioned at rank 731 and the Celeron G1820 is on rank 895, so the A6-4455M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-4455M
Performance Per Dollar Celeron G1820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-4455M | Celeron G1820 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Trinity (2012−2013) / 32 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | A6-4455M | Celeron G1820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 A6-4455M and Celeron G1820
A6-4455M
The A6-4455M 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 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 32 nm process technology. Socket: FP2. Thermal design power (TDP): 17 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 1,689 points. Launch price was $70.
Celeron G1820
The Celeron G1820 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) 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. L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 1,696 points. Launch price was $110.
Processing Power
Both the A6-4455M and Celeron G1820 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the A6-4455M versus 2.7 GHz on the Celeron G1820 — a 3.8% clock advantage for the Celeron G1820 (base: 2.1 GHz vs 2.7 GHz). The A6-4455M uses the Trinity (2012−2013) architecture (32 nm), while the Celeron G1820 uses Haswell (2013−2015) (22 nm). In PassMark, the A6-4455M scores 1,689 against the Celeron G1820's 1,696 — a 0.4% lead for the Celeron G1820. Geekbench 6 single-core — the metric most relevant to gaming — records 253 vs 496, a 64.9% lead for the Celeron G1820 that directly translates to higher frame rates. L3 cache: 0 kB on the A6-4455M vs 2 MB on the Celeron G1820.
| Feature | A6-4455M | Celeron G1820 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.6 GHz | 2.7 GHz+4% |
| Base Clock | 2.1 GHz | 2.7 GHz+29% |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 2 MB (total)+700% | 256 kB (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Trinity (2012−2013) | Haswell (2013−2015) |
| PassMark | 1,689 | 1,696 |
| Geekbench 6 Single | 253 | 496+96% |
| Geekbench 6 Multi | — | 910 |
Memory & Platform
The A6-4455M uses the FP2 socket (PCIe 2.0), while the Celeron G1820 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Celeron G1820 supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes.
| Feature | A6-4455M | Celeron G1820 |
|---|---|---|
| Socket | FP2 | LGA1150 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 8 GB | 32 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A6-4455M) vs VT-x (Celeron G1820). Both include integrated graphics — Radeon HD 7500G (A6-4455M) and HD Graphics (Haswell) (Celeron G1820) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-4455M targets Thin and Light Laptop, Celeron G1820 targets Budget. Direct competitor: A6-4455M rivals Pentium 987; Celeron G1820 rivals Pentium G3220.
| Feature | A6-4455M | Celeron G1820 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon HD 7500G | HD Graphics (Haswell) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Thin and Light Laptop | Budget |
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