Xeon W-2191B vs Core i9-12900E
Xeon W-2191B
Core i9-12900E
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 Xeon W-2191B
Performance Per Dollar Core i9-12900E
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($39) | ⚠️ Higher cost ($500) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Alder Lake-S (2022) / 10 nm) |
💎 Value Proposition
| Insight | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1191%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($39) | ⚠️ Higher cost ($500) |
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 Xeon W-2191B and Core i9-12900E
Xeon W-2191B
The Xeon W-2191B is manufactured by Intel. It was released in 2015-01-01. It is based on the Skylake (server) (2017−2018) architecture. It features 18 cores and 36 threads. Base frequency is 2.3 GHz, with boost up to 4.3 GHz. L3 cache: 24.75 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: 28,362 points. Launch price was $800.
Core i9-12900E
The Core i9-12900E is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 5 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 28,170 points. Launch price was $299.
Processing Power
The Xeon W-2191B packs 18 cores / 36 threads, while the Core i9-12900E offers 16 cores / 24 threads — the Xeon W-2191B has 2 more cores. Boost clocks reach 4.3 GHz on the Xeon W-2191B versus 5 GHz on the Core i9-12900E — a 15.1% clock advantage for the Core i9-12900E (base: 2.3 GHz vs 2.3 GHz). The Xeon W-2191B uses the Skylake (server) (2017−2018) architecture (14 nm), while the Core i9-12900E uses Alder Lake-S (2022) (10 nm). In PassMark, the Xeon W-2191B scores 28,362 against the Core i9-12900E's 28,170 — a 0.7% lead for the Xeon W-2191B. L3 cache: 24.75 MB (total) on the Xeon W-2191B vs 30 MB (total) on the Core i9-12900E.
| Feature | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| Cores / Threads | 18 / 36+13% | 16 / 24 |
| Boost Clock | 4.3 GHz | 5 GHz+16% |
| Base Clock | 2.3 GHz | 2.3 GHz |
| L3 Cache | 24.75 MB (total) | 30 MB (total)+21% |
| L2 Cache | 1 MB (per core) | 1.25 MB (per core)+25% |
| Process | 14 nm | 10 nm-29% |
| Architecture | Skylake (server) (2017−2018) | Alder Lake-S (2022) |
| PassMark | 28,362 | 28,170 |
| Cinebench R23 Multi | — | 13,420 |
| Geekbench 6 Multi | — | 13,107 |
Memory & Platform
The Xeon W-2191B uses the LGA2066 socket (PCIe 3.0), while the Core i9-12900E uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon W-2191B versus DDR5-4800 on the Core i9-12900E — the Core i9-12900E supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-2191B supports up to 512 GB of RAM compared to 128 GB — 120% more capacity for professional workloads. Memory channels: 4 (Xeon W-2191B) vs 2 (Core i9-12900E). PCIe lanes: 48 (Xeon W-2191B) vs 20 (Core i9-12900E) — the Xeon W-2191B offers 28 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| Socket | LGA2066 | LGA1700 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | DDR5-4800+25% |
| Max RAM Capacity | 512 GB+300% | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 48+140% | 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 i9-12900E includes integrated graphics (UHD Graphics 770), while the Xeon W-2191B requires a dedicated GPU. Primary use case: Xeon W-2191B targets Workstation.
| Feature | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics 770 |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Workstation | — |
Value Analysis
The Xeon W-2191B launched at $1333 MSRP, while the Core i9-12900E debuted at $500. At current prices ($39 vs $500), the Xeon W-2191B is $461 cheaper. In terms of value (PassMark points per dollar), the Xeon W-2191B delivers 727.2 pts/$ vs 56.3 pts/$ for the Core i9-12900E — making the Xeon W-2191B the 171.2% better value option.
| Feature | Xeon W-2191B | Core i9-12900E |
|---|---|---|
| MSRP | $1333 | $500-62% |
| Avg Price (30d) | $39-92% | $500 |
| Performance per Dollar | 727.2+1192% | 56.3 |
| Release Date | 2017 | 2022 |
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