Core i7-12700K vs Pentium E5400
Core i7-12700K
Pentium E5400
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-12700K
Performance Per Dollar Pentium E5400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Pentium E5400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($285) | ✅ More affordable ($49) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Pentium E5400 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+486%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($285) | ✅ More affordable ($49) |
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 i7-12700K and Pentium E5400
Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Pentium E5400
The Pentium E5400 is manufactured by Intel. It was released in 18 January 2009 (16 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,007 points. Launch price was $55.
Processing Power
The Core i7-12700K packs 12 cores / 20 threads, while the Pentium E5400 offers 2 cores / 2 threads — the Core i7-12700K has 10 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 2.7 GHz on the Pentium E5400 — a 59.7% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 2.7 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Pentium E5400 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Core i7-12700K scores 34,347 against the Pentium E5400's 1,007 — a 188.6% lead for the Core i7-12700K. L3 cache: 25 MB (total) on the Core i7-12700K vs 0 kB on the Pentium E5400.
| Feature | Core i7-12700K | Pentium E5400 |
|---|---|---|
| Cores / Threads | 12 / 20+500% | 2 / 2 |
| Boost Clock | 5 GHz+85% | 2.7 GHz |
| Base Clock | 3.6 GHz+33% | 2.7 GHz |
| L3 Cache | 25 MB (total) | 0 kB |
| L2 Cache | 1.25 MB (per core) | 2 MB (total)+60% |
| Process | 10 nm-78% | 45 nm |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Wolfdale (2008−2010) |
| PassMark | 34,347+3311% | 1,007 |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Pentium E5400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core i7-12700K | Pentium E5400 |
|---|---|---|
| Socket | LGA1700 | LGA775 |
| PCIe Generation | PCIe 5.0+355% | PCIe 1.1 |
| Max RAM Speed | 4800 | — |
| Max RAM Capacity | 128 | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-12700K) / not specified (Pentium E5400). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Pentium E5400 requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Core i7-12700K | Pentium E5400 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
Value Analysis
The Core i7-12700K launched at $409 MSRP, while the Pentium E5400 debuted at $55. At current prices ($285 vs $49), the Pentium E5400 is $236 cheaper. In terms of value (PassMark points per dollar), the Core i7-12700K delivers 120.5 pts/$ vs 20.6 pts/$ for the Pentium E5400 — making the Core i7-12700K the 141.7% better value option.
| Feature | Core i7-12700K | Pentium E5400 |
|---|---|---|
| MSRP | $409 | $55-87% |
| Avg Price (30d) | $285 | $49-83% |
| Performance per Dollar | 120.5+485% | 20.6 |
| Release Date | 2021 | 2009 |
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