
Core i7-11700B vs Xeon E7-8891 v3

Core i7-11700B

Xeon E7-8891 v3
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 Xeon E7-8891 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($311) | ⚠️ Higher cost ($418) |
| Longevity | ✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin) | 🛑 Legacy (Haswell-EX (2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+34%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($311) | ⚠️ Higher cost ($418) |
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 Xeon E7-8891 v3

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.

Xeon E7-8891 v3
The Xeon E7-8891 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EX (2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 45 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 165 Watt. Memory support: DDR4-1333/1600/1866, DDR3-1066/1333/1600. Passmark benchmark score: 21,615 points. Launch price was $800.
Processing Power
The Core i7-11700B packs 8 cores / 16 threads, while the Xeon E7-8891 v3 offers 10 cores / 20 threads — the Xeon E7-8891 v3 has 2 more cores. Boost clocks reach 4.8 GHz on the Core i7-11700B versus 3.5 GHz on the Xeon E7-8891 v3 — a 31.3% clock advantage for the Core i7-11700B (base: 3.2 GHz vs 2.8 GHz). The Core i7-11700B uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Xeon E7-8891 v3 uses Haswell-EX (2015) (22 nm). In PassMark, the Core i7-11700B scores 21,581 against the Xeon E7-8891 v3's 21,615 — a 0.2% lead for the Xeon E7-8891 v3. Geekbench 6 single-core — the metric most relevant to gaming — records 2,265 vs 900, a 86.3% lead for the Core i7-11700B that directly translates to higher frame rates. Multi-core Geekbench: 10,050 vs 9,500 (5.6% advantage for the Core i7-11700B). L3 cache: 24 MB (total) on the Core i7-11700B vs 45 MB (total) on the Xeon E7-8891 v3.
| Feature | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| Cores / Threads | 8 / 16 | 10 / 20+25% |
| Boost Clock | 4.8 GHz+37% | 3.5 GHz |
| Base Clock | 3.2 GHz+14% | 2.8 GHz |
| L3 Cache | 24 MB (total) | 45 MB (total)+88% |
| L2 Cache | 1.25 MB (per core)+400% | 256K (per core) |
| Process | 10 nm SuperFin-55% | 22 nm |
| Architecture | Tiger Lake-H (2021) | Haswell-EX (2015) |
| PassMark | 21,581 | 21,615 |
| Cinebench R23 Multi | 10,287 | — |
| Geekbench 6 Single | 2,265+152% | 900 |
| Geekbench 6 Multi | 10,050+6% | 9,500 |
Memory & Platform
The Core i7-11700B uses the FCBGA1787 socket (PCIe 4.0), while the Xeon E7-8891 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon E7-8891 v3 supports up to 1536 GB of RAM compared to 128 GB — 169.2% more capacity for professional workloads. Memory channels: 2 (Core i7-11700B) vs 4 (Xeon E7-8891 v3). PCIe lanes: 20 (Core i7-11700B) vs 32 (Xeon E7-8891 v3) — the Xeon E7-8891 v3 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM570,QM580,WM590 (Core i7-11700B) and C602J (Xeon E7-8891 v3).
| Feature | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| Socket | FCBGA1787 | LGA2011 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-1866 |
| Max RAM Capacity | 128 GB | 1536 GB+1100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 32+60% |
Advanced Features
Only the Core i7-11700B supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-11700B) vs Yes (Xeon E7-8891 v3). The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the Xeon E7-8891 v3 requires a dedicated GPU. Primary use case: Core i7-11700B targets Desktop.
| Feature | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 750 | — |
| Unlocked | No | — |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | Yes |
| Target Use | Desktop | — |
Value Analysis
The Core i7-11700B launched at $323 MSRP, while the Xeon E7-8891 v3 debuted at $6841. At current prices ($311 vs $418), the Core i7-11700B is $107 cheaper. In terms of value (PassMark points per dollar), the Core i7-11700B delivers 69.4 pts/$ vs 51.7 pts/$ for the Xeon E7-8891 v3 — making the Core i7-11700B the 29.2% better value option.
| Feature | Core i7-11700B | Xeon E7-8891 v3 |
|---|---|---|
| MSRP | $323-95% | $6841 |
| Avg Price (30d) | $311-26% | $418 |
| Performance per Dollar | 69.4+34% | 51.7 |
| Release Date | 2021 | 2015 |
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