Core 2 Duo SP9400 vs Celeron B815
Core 2 Duo SP9400
Celeron B815
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 SP9400 is positioned at rank 631 and the Celeron B815 is on rank 799, so the Core 2 Duo SP9400 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 SP9400
Performance Per Dollar Celeron B815
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo SP9400 | Celeron B815 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Core 2 Duo SP9400 | Celeron B815 |
|---|---|---|
| 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 Core 2 Duo SP9400 and Celeron B815
Core 2 Duo SP9400
The Core 2 Duo SP9400 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 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,083 points. Launch price was $284.
Celeron B815
The Celeron B815 is manufactured by Intel. It was released in 1 January 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,093 points. Launch price was $86.
Processing Power
Both the Core 2 Duo SP9400 and Celeron B815 share an identical 2-core/2-thread configuration. Boost clocks reach 2.4 GHz on the Core 2 Duo SP9400 versus 1.6 GHz on the Celeron B815 — a 40% clock advantage for the Core 2 Duo SP9400 (base: 2.4 GHz vs 1.6 GHz). The Core 2 Duo SP9400 uses the Penryn (2008−2011) architecture (45 nm), while the Celeron B815 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo SP9400 scores 2,083 against the Celeron B815's 2,093 — a 0.5% lead for the Celeron B815. L3 cache: 6 MB L2 Cache on the Core 2 Duo SP9400 vs 2 MB (total) on the Celeron B815.
| Feature | Core 2 Duo SP9400 | Celeron B815 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.4 GHz+50% | 1.6 GHz |
| Base Clock | 2.4 GHz+50% | 1.6 GHz |
| L3 Cache | 6 MB L2 Cache+200% | 2 MB (total) |
| L2 Cache | 6 MB+2300% | 256K (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Penryn (2008−2011) | Sandy Bridge (2011−2013) |
| PassMark | 2,083 | 2,093 |
| Geekbench 6 Single | 340 | — |
| Geekbench 6 Multi | 600 | — |
Memory & Platform
The Core 2 Duo SP9400 uses the BGA956 socket (PCIe 1.1), while the Celeron B815 uses PGA988 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Celeron B815 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Chipset compatibility: GS45 (Core 2 Duo SP9400) and HM65,HM67,QM67,QM77 (Celeron B815).
| Feature | Core 2 Duo SP9400 | Celeron B815 |
|---|---|---|
| Socket | BGA956 | PGA988 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR3-1066 | DDR3-1333 |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x virtualization. The Celeron B815 includes integrated graphics (HD Graphics (Sandy Bridge)), while the Core 2 Duo SP9400 requires a dedicated GPU. Primary use case: Core 2 Duo SP9400 targets Budget, Celeron B815 targets Budget. Direct competitor: Core 2 Duo SP9400 rivals Athlon II X2 245e; Celeron B815 rivals Pentium 967.
| Feature | Core 2 Duo SP9400 | Celeron B815 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | GMA X4500HD | HD Graphics (Sandy Bridge) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Budget |
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