Core i5-13400F vs Core i5-8400
Core i5-13400F
Core i5-8400
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 i5-13400F
Performance Per Dollar Core i5-8400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-13400F | Core i5-8400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($95) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | ✨ Modern (Coffee Lake-S (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-13400F | Core i5-8400 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+43%) | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ More affordable ($95) |
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 i5-13400F and Core i5-8400
Core i5-13400F
The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.
Core i5-8400
The Core i5-8400 is manufactured by Intel. It was released in 5 October 2017 (8 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,229 points. Launch price was $182.
Processing Power
The Core i5-13400F packs 10 cores / 16 threads, while the Core i5-8400 offers 6 cores / 6 threads — the Core i5-13400F has 4 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 4 GHz on the Core i5-8400 — a 14% clock advantage for the Core i5-13400F (base: 2.5 GHz vs 2.8 GHz). The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core i5-8400 uses Coffee Lake-S (2017−2018) (14 nm). In PassMark, the Core i5-13400F scores 25,029 against the Core i5-8400's 9,229 — a 92.2% lead for the Core i5-13400F. L3 cache: 20 MB (total) on the Core i5-13400F vs 9 MB (total) on the Core i5-8400.
| Feature | Core i5-13400F | Core i5-8400 |
|---|---|---|
| Cores / Threads | 10 / 16+67% | 6 / 6 |
| Boost Clock | 4.6 GHz+15% | 4 GHz |
| Base Clock | 2.5 GHz | 2.8 GHz+12% |
| L3 Cache | 20 MB (total)+122% | 9 MB (total) |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Raptor Lake-S (2023−2024) | Coffee Lake-S (2017−2018) |
| PassMark | 25,029+171% | 9,229 |
| Cinebench R23 Multi | 16,211 | — |
| Geekbench 6 Single | 2,407 | — |
| Geekbench 6 Multi | 11,408 | — |
Memory & Platform
The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Core i5-8400 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR4-2666 on the Core i5-8400 — the Core i5-13400F supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-13400F) vs 16 (Core i5-8400) — the Core i5-13400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F) and Intel 300 series (Core i5-8400).
| Feature | Core i5-13400F | Core i5-8400 |
|---|---|---|
| Socket | LGA1700 | LGA1151 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200+25% | DDR4-2666 |
| Max RAM Capacity | 192 GB+50% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20+25% | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. The Core i5-8400 includes integrated graphics (UHD Graphics 630), while the Core i5-13400F requires a dedicated GPU. Primary use case: Core i5-13400F targets Gaming, Core i5-8400 targets Desktop. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.
| Feature | Core i5-13400F | Core i5-8400 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Gaming | Desktop |
Value Analysis
The Core i5-13400F launched at $196 MSRP, while the Core i5-8400 debuted at $182. At current prices ($180 vs $95), the Core i5-8400 is $85 cheaper. In terms of value (PassMark points per dollar), the Core i5-13400F delivers 139.1 pts/$ vs 97.1 pts/$ for the Core i5-8400 — making the Core i5-13400F the 35.5% better value option.
| Feature | Core i5-13400F | Core i5-8400 |
|---|---|---|
| MSRP | $196 | $182-7% |
| Avg Price (30d) | $180 | $95-47% |
| Performance per Dollar | 139.1+43% | 97.1 |
| Release Date | 2023 | 2017 |
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