Core i5-11400F vs Core i5-11500B
Core i5-11400F
Core i5-11500B
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 i5-11400F
Performance Per Dollar Core i5-11500B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-11400F | Core i5-11500B |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($110) | ⚠️ Higher cost ($185) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Tiger Lake-H (2021) / 10 nm) |
💎 Value Proposition
| Insight | Core i5-11400F | Core i5-11500B |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+66%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($110) | ⚠️ Higher cost ($185) |
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 i5-11400F and Core i5-11500B
Core i5-11400F
The Core i5-11400F is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 6 cores and 12 threads. Base frequency is 2.6 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 16,902 points. Launch price was $157.
Core i5-11500B
The Core i5-11500B is manufactured by Intel. It was released in 1 April 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 12 MB. L2 cache: 7.5 MB. Built on 10 nm process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 17,075 points. Launch price was $299.
Processing Power
Both the Core i5-11400F and Core i5-11500B share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-11400F versus 4.6 GHz on the Core i5-11500B — a 4.4% clock advantage for the Core i5-11500B (base: 2.6 GHz vs 3.3 GHz). The Core i5-11400F uses the Rocket Lake (2021) architecture (14 nm), while the Core i5-11500B uses Tiger Lake-H (2021) (10 nm). In PassMark, the Core i5-11400F scores 16,902 against the Core i5-11500B's 17,075 — a 1% lead for the Core i5-11500B. L3 cache: 12 MB (total) on the Core i5-11400F vs 12 MB on the Core i5-11500B.
| Feature | Core i5-11400F | Core i5-11500B |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 12 |
| Boost Clock | 4.4 GHz | 4.6 GHz+5% |
| Base Clock | 2.6 GHz | 3.3 GHz+27% |
| L3 Cache | 12 MB (total) | 12 MB |
| L2 Cache | 256K (per core) | 7.5 MB+2900% |
| Process | 14 nm | 10 nm-29% |
| Architecture | Rocket Lake (2021) | Tiger Lake-H (2021) |
| PassMark | 16,902 | 17,075+1% |
| Geekbench 6 Single | 2,000 | — |
| Geekbench 6 Multi | 7,600 | — |
Memory & Platform
The Core i5-11400F uses the LGA1200 socket (PCIe 4.0), while the Core i5-11500B uses FCBGA1787 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.
| Feature | Core i5-11400F | Core i5-11500B |
|---|---|---|
| Socket | LGA1200 | FCBGA1787 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20 | 20 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. The Core i5-11500B includes integrated graphics (UHD Graphics 32EU), while the Core i5-11400F requires a dedicated GPU. Primary use case: Core i5-11400F targets Mainstream Desktop, Core i5-11500B targets Desktop / Mini PC.
| Feature | Core i5-11400F | Core i5-11500B |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | UHD Graphics 32EU |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Mainstream Desktop | Desktop / Mini PC |
Value Analysis
The Core i5-11400F launched at $157 MSRP, while the Core i5-11500B debuted at $185. At current prices ($110 vs $185), the Core i5-11400F is $75 cheaper. In terms of value (PassMark points per dollar), the Core i5-11400F delivers 153.7 pts/$ vs 92.3 pts/$ for the Core i5-11500B — making the Core i5-11400F the 49.9% better value option.
| Feature | Core i5-11400F | Core i5-11500B |
|---|---|---|
| MSRP | $157-15% | $185 |
| Avg Price (30d) | $110-41% | $185 |
| Performance per Dollar | 153.7+67% | 92.3 |
| Release Date | 2021 | 2021 |
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