CPU
GPU
Celeron G1820T
Core 2 Duo SU9400
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 G1820T is positioned at rank 500 and the Core 2 Duo SU9400 is on rank 409, so the Core 2 Duo SU9400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G1820T
Performance Per Dollar Core 2 Duo SU9400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G1820T | Core 2 Duo SU9400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron G1820T | Core 2 Duo SU9400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 G1820T and Core 2 Duo SU9400
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.
Core 2 Duo SU9400
The Core 2 Duo SU9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,596 points. Launch price was $262.
Processing Power
Both the Celeron G1820T and Core 2 Duo SU9400 share an identical 2-core/2-thread configuration. Boost clocks reach 2.4 GHz on the Celeron G1820T versus 1.4 GHz on the Core 2 Duo SU9400 — a 52.6% clock advantage for the Celeron G1820T (base: 2.4 GHz vs 1.4 GHz). The Celeron G1820T uses the Haswell (2013−2015) architecture (22 nm), while the Core 2 Duo SU9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron G1820T scores 1,599 against the Core 2 Duo SU9400's 1,596 — a 0.2% lead for the Celeron G1820T. L3 cache: 3 MB (total) on the Celeron G1820T vs 3 MB L2 Cache on the Core 2 Duo SU9400.
| Feature | Celeron G1820T | Core 2 Duo SU9400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.4 GHz+71% | 1.4 GHz |
| Base Clock | 2.4 GHz+71% | 1.4 GHz |
| L3 Cache | 3 MB (total) | 3 MB L2 Cache |
| L2 Cache | 256 kB (per core) | 3 MB+1100% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Haswell (2013−2015) | Penryn (2008−2011) |
| PassMark | 1,599 | 1,596 |
| Geekbench 6 Single | 415 | — |
| Geekbench 6 Multi | 629 | — |
Memory & Platform
The Celeron G1820T uses the LGA1150 socket (PCIe 3.0), while the Core 2 Duo SU9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron G1820T | Core 2 Duo SU9400 |
|---|---|---|
| Socket | LGA1150 | BGA956 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x (Celeron G1820T) / not specified (Core 2 Duo SU9400). The Celeron G1820T includes integrated graphics (HD Graphics (Haswell)), while the Core 2 Duo SU9400 requires a dedicated GPU. Primary use case: Celeron G1820T targets Budget. Direct competitor: Celeron G1820T rivals Pentium G3220T.
| Feature | Celeron G1820T | Core 2 Duo SU9400 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Haswell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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