Core 2 Duo SU9400 vs Celeron G1820T
Core 2 Duo SU9400
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 Core 2 Duo SU9400 is positioned at rank 409 and the Celeron G1820T is on rank 500, 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 Core 2 Duo SU9400
Performance Per Dollar Celeron G1820T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo SU9400 | Celeron G1820T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core 2 Duo SU9400 | Celeron G1820T |
|---|---|---|
| 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 Core 2 Duo SU9400 and Celeron G1820T
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.
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 Core 2 Duo SU9400 and Celeron G1820T share an identical 2-core/2-thread configuration. Boost clocks reach 1.4 GHz on the Core 2 Duo SU9400 versus 2.4 GHz on the Celeron G1820T — a 52.6% clock advantage for the Celeron G1820T (base: 1.4 GHz vs 2.4 GHz). The Core 2 Duo SU9400 uses the Penryn (2008−2011) architecture (45 nm), while the Celeron G1820T uses Haswell (2013−2015) (22 nm). In PassMark, the Core 2 Duo SU9400 scores 1,596 against the Celeron G1820T's 1,599 — a 0.2% lead for the Celeron G1820T. L3 cache: 3 MB L2 Cache on the Core 2 Duo SU9400 vs 3 MB (total) on the Celeron G1820T.
| Feature | Core 2 Duo SU9400 | Celeron G1820T |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.4 GHz | 2.4 GHz+71% |
| Base Clock | 1.4 GHz | 2.4 GHz+71% |
| L3 Cache | 3 MB L2 Cache | 3 MB (total) |
| L2 Cache | 3 MB+1100% | 256 kB (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Penryn (2008−2011) | Haswell (2013−2015) |
| PassMark | 1,596 | 1,599 |
| Geekbench 6 Single | — | 415 |
| Geekbench 6 Multi | — | 629 |
Memory & Platform
The Core 2 Duo SU9400 uses the BGA956 socket (PCIe 1.1), while the Celeron G1820T uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Duo SU9400 | Celeron G1820T |
|---|---|---|
| Socket | BGA956 | LGA1150 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core 2 Duo SU9400) / VT-x (Celeron G1820T). 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 | Core 2 Duo SU9400 | Celeron G1820T |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics (Haswell) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
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