Core i5-11500B vs Core i7-7820X
Core i5-11500B
Core i7-7820X
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 i5-11500B
Performance Per Dollar Core i7-7820X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-11500B | Core i7-7820X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($185) | ⚠️ Higher cost ($198) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-11500B | Core i7-7820X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+6%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($185) | ⚠️ Higher cost ($198) |
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 i5-11500B and Core i7-7820X
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.
Core i7-7820X
The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,171 points. Launch price was $599.
Processing Power
The Core i5-11500B packs 6 cores / 12 threads, while the Core i7-7820X offers 8 cores / 16 threads — the Core i7-7820X has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-11500B versus 4.5 GHz on the Core i7-7820X — a 2.2% clock advantage for the Core i5-11500B (base: 3.3 GHz vs 3.6 GHz). The Core i5-11500B uses the Tiger Lake-H (2021) architecture (10 nm), while the Core i7-7820X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i5-11500B scores 17,075 against the Core i7-7820X's 17,171 — a 0.6% lead for the Core i7-7820X. L3 cache: 12 MB on the Core i5-11500B vs 11 MB (total) on the Core i7-7820X.
| Feature | Core i5-11500B | Core i7-7820X |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.6 GHz+2% | 4.5 GHz |
| Base Clock | 3.3 GHz | 3.6 GHz+9% |
| L3 Cache | 12 MB+9% | 11 MB (total) |
| L2 Cache | 7.5 MB+650% | 1 MB (per core) |
| Process | 10 nm-29% | 14 nm |
| Architecture | Tiger Lake-H (2021) | Skylake (server) (2017−2018) |
| PassMark | 17,075 | 17,171 |
Memory & Platform
The Core i5-11500B uses the FCBGA1787 socket (PCIe 4.0), while the Core i7-7820X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-11500B | Core i7-7820X |
|---|---|---|
| Socket | FCBGA1787 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-11500B) / not specified (Core i7-7820X). The Core i5-11500B includes integrated graphics (UHD Graphics 32EU), while the Core i7-7820X requires a dedicated GPU. Primary use case: Core i5-11500B targets Desktop / Mini PC.
| Feature | Core i5-11500B | Core i7-7820X |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 32EU | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop / Mini PC | — |
Value Analysis
The Core i5-11500B launched at $185 MSRP, while the Core i7-7820X debuted at $599. At current prices ($185 vs $198), the Core i5-11500B is $13 cheaper. In terms of value (PassMark points per dollar), the Core i5-11500B delivers 92.3 pts/$ vs 86.7 pts/$ for the Core i7-7820X — making the Core i5-11500B the 6.2% better value option.
| Feature | Core i5-11500B | Core i7-7820X |
|---|---|---|
| MSRP | $185-69% | $599 |
| Avg Price (30d) | $185-7% | $198 |
| Performance per Dollar | 92.3+6% | 86.7 |
| Release Date | 2021 | 2017 |
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