Core i7-11700B vs Core i5-10400F
Core i7-11700B
Core i5-10400F
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 i7-11700B
Performance Per Dollar Core i5-10400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-11700B | Core i5-10400F |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($311) | ✅ More affordable ($102) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-11700B | Core i5-10400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+84%) |
| Upfront Cost | ⚠️ Higher cost ($311) | ✅ More affordable ($102) |
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 i7-11700B and Core i5-10400F
Core i7-11700B
The Core i7-11700B is manufactured by Intel. It was released in 11 May 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4.8 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: Up to 3200 MT/s. Passmark benchmark score: 21,581 points. Launch price was $299.
Core i5-10400F
The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 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: 13,029 points. Launch price was $155.
Processing Power
The Core i7-11700B packs 8 cores / 16 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i7-11700B has 2 more cores. Boost clocks reach 4.8 GHz on the Core i7-11700B versus 4.3 GHz on the Core i5-10400F — a 11% clock advantage for the Core i7-11700B (base: 3.2 GHz vs 2.9 GHz). The Core i7-11700B uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i7-11700B scores 21,581 against the Core i5-10400F's 13,029 — a 49.4% lead for the Core i7-11700B. Cinebench R23 multi-core: 10,287 vs 8,191 (22.7% advantage for the Core i7-11700B). Geekbench 6 single-core — the metric most relevant to gaming — records 2,265 vs 1,454, a 43.6% lead for the Core i7-11700B that directly translates to higher frame rates. Multi-core Geekbench: 10,050 vs 5,783 (53.9% advantage for the Core i7-11700B). L3 cache: 24 MB (total) on the Core i7-11700B vs 12 MB (total) on the Core i5-10400F.
| Feature | Core i7-11700B | Core i5-10400F |
|---|---|---|
| Cores / Threads | 8 / 16+33% | 6 / 12 |
| Boost Clock | 4.8 GHz+12% | 4.3 GHz |
| Base Clock | 3.2 GHz+10% | 2.9 GHz |
| L3 Cache | 24 MB (total)+100% | 12 MB (total) |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | 10 nm SuperFin-29% | 14 nm |
| Architecture | Tiger Lake-H (2021) | Comet Lake (2020−2025) |
| PassMark | 21,581+66% | 13,029 |
| Cinebench R23 Multi | 10,287+26% | 8,191 |
| Geekbench 6 Single | 2,265+56% | 1,454 |
| Geekbench 6 Multi | 10,050+74% | 5,783 |
Memory & Platform
The Core i7-11700B uses the FCBGA1787 socket (PCIe 4.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — 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. PCIe lanes: 20 (Core i7-11700B) vs 16 (Core i5-10400F) — the Core i7-11700B offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM570,QM580,WM590 (Core i7-11700B) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).
| Feature | Core i7-11700B | Core i5-10400F |
|---|---|---|
| Socket | FCBGA1787 | LGA1200 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2666 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20+25% | 16 |
Advanced Features
Neither processor supports overclocking. Only the Core i7-11700B supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core i7-11700B targets Desktop, Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.
| Feature | Core i7-11700B | Core i5-10400F |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 750 | — |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Desktop | Gaming |
Value Analysis
The Core i7-11700B launched at $323 MSRP, while the Core i5-10400F debuted at $160. At current prices ($311 vs $102), the Core i5-10400F is $209 cheaper. In terms of value (PassMark points per dollar), the Core i7-11700B delivers 69.4 pts/$ vs 127.7 pts/$ for the Core i5-10400F — making the Core i5-10400F the 59.2% better value option.
| Feature | Core i7-11700B | Core i5-10400F |
|---|---|---|
| MSRP | $323 | $160-50% |
| Avg Price (30d) | $311 | $102-67% |
| Performance per Dollar | 69.4 | 127.7+84% |
| Release Date | 2021 | 2020 |
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