Celeron B815 vs Core i3-2125
Celeron B815
Core i3-2125
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 i3-2125 is on rank 892, so the Celeron B815 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 i3-2125
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron B815 | Core i3-2125 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Celeron B815 | Core i3-2125 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1%) | ❌ 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 B815 and Core i3-2125
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 i3-2125
The Core i3-2125 is manufactured by Intel. It was released in 4 September 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,082 points. Launch price was $170.
Processing Power
The Celeron B815 packs 2 cores / 2 threads, matching the Core i3-2125's 2 cores. Boost clocks reach 1.6 GHz on the Celeron B815 versus 3.3 GHz on the Core i3-2125 — a 69.4% clock advantage for the Core i3-2125 (base: 1.6 GHz vs 3.3 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Celeron B815 scores 2,093 against the Core i3-2125's 2,082 — a 0.5% lead for the Celeron B815. L3 cache: 2 MB (total) on the Celeron B815 vs 3 MB (total) on the Core i3-2125.
| Feature | Celeron B815 | Core i3-2125 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 1.6 GHz | 3.3 GHz+106% |
| Base Clock | 1.6 GHz | 3.3 GHz+106% |
| L3 Cache | 2 MB (total) | 3 MB (total)+50% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Sandy Bridge (2011−2013) |
| PassMark | 2,093 | 2,082 |
| Geekbench 6 Single | — | 499 |
Memory & Platform
The Celeron B815 uses the PGA988 socket (PCIe 2.0), while the Core i3-2125 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Core i3-2125 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. Both provide 16 PCIe lanes. Chipset compatibility: HM65,HM67,QM67,QM77 (Celeron B815) and H61,H67,P67,Z68,B65,Q65,Q67,B75,Q75,H77,Z75,Z77 (Core i3-2125).
| Feature | Celeron B815 | Core i3-2125 |
|---|---|---|
| Socket | PGA988 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1333 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Celeron B815) vs VT-x, EPT (Core i3-2125). Both include integrated graphics — HD Graphics (Sandy Bridge) (Celeron B815) and HD Graphics 3000 (Core i3-2125) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron B815 targets Budget, Core i3-2125 targets Budget Desktop. Direct competitor: Celeron B815 rivals Pentium 967; Core i3-2125 rivals A8-3850.
| Feature | Celeron B815 | Core i3-2125 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics (Sandy Bridge) | HD Graphics 3000 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, EPT |
| Target Use | Budget | Budget Desktop |
Value Analysis
The Celeron B815 launched at $86 MSRP, while the Core i3-2125 debuted at $134. At current prices ($15 vs $15), the Core i3-2125 is $0 cheaper. In terms of value (PassMark points per dollar), the Celeron B815 delivers 139.5 pts/$ vs 138.8 pts/$ for the Core i3-2125 — making the Celeron B815 the 0.5% better value option.
| Feature | Celeron B815 | Core i3-2125 |
|---|---|---|
| MSRP | $86-36% | $134 |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 139.5 | 138.8 |
| Release Date | 2012 | 2011 |
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