Celeron B815 vs Core 2 Duo SP9400
Celeron B815
Core 2 Duo SP9400
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 B815 is positioned at rank 799 and the Core 2 Duo SP9400 is on rank 631, 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 Celeron B815
Performance Per Dollar Core 2 Duo SP9400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron B815 | Core 2 Duo SP9400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron B815 | Core 2 Duo SP9400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Celeron B815 and Core 2 Duo SP9400
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.
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.
Processing Power
Both the Celeron B815 and Core 2 Duo SP9400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Celeron B815 versus 2.4 GHz on the Core 2 Duo SP9400 — a 40% clock advantage for the Core 2 Duo SP9400 (base: 1.6 GHz vs 2.4 GHz). The Celeron B815 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core 2 Duo SP9400 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron B815 scores 2,093 against the Core 2 Duo SP9400's 2,083 — a 0.5% lead for the Celeron B815. L3 cache: 2 MB (total) on the Celeron B815 vs 6 MB L2 Cache on the Core 2 Duo SP9400.
| Feature | Celeron B815 | Core 2 Duo SP9400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.6 GHz | 2.4 GHz+50% |
| Base Clock | 1.6 GHz | 2.4 GHz+50% |
| L3 Cache | 2 MB (total) | 6 MB L2 Cache+200% |
| L2 Cache | 256K (per core) | 6 MB+2300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Sandy Bridge (2011−2013) | Penryn (2008−2011) |
| PassMark | 2,093 | 2,083 |
| Geekbench 6 Single | — | 340 |
| Geekbench 6 Multi | — | 600 |
Memory & Platform
The Celeron B815 uses the PGA988 socket (PCIe 2.0), while the Core 2 Duo SP9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR3-1333 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: HM65,HM67,QM67,QM77 (Celeron B815) and GS45 (Core 2 Duo SP9400).
| Feature | Celeron B815 | Core 2 Duo SP9400 |
|---|---|---|
| Socket | PGA988 | BGA956 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | DDR3-1066 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| 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: Celeron B815 targets Budget, Core 2 Duo SP9400 targets Budget. Direct competitor: Celeron B815 rivals Pentium 967; Core 2 Duo SP9400 rivals Athlon II X2 245e.
| Feature | Celeron B815 | Core 2 Duo SP9400 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics (Sandy Bridge) | GMA X4500HD |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x |
| Target Use | Budget | Budget |
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