Athlon 64 X2 5400+ vs Celeron G1820T
Athlon 64 X2 5400+
Celeron G1820T
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 Athlon 64 X2 5400+ is positioned at rank 1091 and the Celeron G1820T is on rank 500, so the Celeron G1820T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 X2 5400+
Performance Per Dollar Celeron G1820T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 X2 5400+ | Celeron G1820T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($78) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Windsor (2006−2007) / 90 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Athlon 64 X2 5400+ | Celeron G1820T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($78) | ✅ 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 Athlon 64 X2 5400+ and Celeron G1820T
Athlon 64 X2 5400+
The Athlon 64 X2 5400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,585 points. Launch price was $149.
Celeron G1820T
The Celeron G1820T 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 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,599 points. Launch price was $42.
Processing Power
Both the Athlon 64 X2 5400+ and Celeron G1820T share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Athlon 64 X2 5400+ versus 2.4 GHz on the Celeron G1820T — a 15.4% clock advantage for the Athlon 64 X2 5400+. The Athlon 64 X2 5400+ uses the Windsor (2006−2007) architecture (90 nm), while the Celeron G1820T uses Haswell (2013−2015) (22 nm). In PassMark, the Athlon 64 X2 5400+ scores 1,585 against the Celeron G1820T's 1,599 — a 0.9% lead for the Celeron G1820T. L3 cache: 0 kB on the Athlon 64 X2 5400+ vs 3 MB (total) on the Celeron G1820T.
| Feature | Athlon 64 X2 5400+ | Celeron G1820T |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+17% | 2.4 GHz |
| Base Clock | — | 2.4 GHz |
| L3 Cache | 0 kB | 3 MB (total) |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 90 nm | 22 nm-76% |
| Architecture | Windsor (2006−2007) | Haswell (2013−2015) |
| PassMark | 1,585 | 1,599 |
| Geekbench 6 Single | — | 415 |
| Geekbench 6 Multi | — | 629 |
Memory & Platform
The Athlon 64 X2 5400+ uses the AM2 socket (PCIe 1.1), while the Celeron G1820T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Athlon 64 X2 5400+ versus DDR3-1333 on the Celeron G1820T — the Celeron G1820T supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G1820T supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon 64 X2 5400+) vs 16 (Celeron G1820T) — the Celeron G1820T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM2 (Athlon 64 X2 5400+) and H81,B85,H87,Z87,H97,Z97 (Celeron G1820T).
| Feature | Athlon 64 X2 5400+ | Celeron G1820T |
|---|---|---|
| Socket | AM2 | LGA1150 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-800 | DDR3-1333+50% |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon 64 X2 5400+) / VT-x (Celeron G1820T). The Celeron G1820T includes integrated graphics (HD Graphics (Haswell)), while the Athlon 64 X2 5400+ requires a dedicated GPU. Primary use case: Celeron G1820T targets Budget. Direct competitor: Celeron G1820T rivals Pentium G3220T.
| Feature | Athlon 64 X2 5400+ | Celeron G1820T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics (Haswell) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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