CPU
GPU
Core i9-12900KS
Xeon Gold 6538N
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 i9-12900KS
Performance Per Dollar Xeon Gold 6538N
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($385) | ✅ More affordable ($170) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | ✨ Modern (Emerald Rapids (2023) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+134%) |
| Upfront Cost | ⚠️ Higher cost ($385) | ✅ More affordable ($170) |
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.
Counter-Strike 2
League of Legends
Technical Specifications
Side-by-side comparison of Core i9-12900KS and Xeon Gold 6538N
Core i9-12900KS
The Core i9-12900KS is manufactured by Intel. It was released in 5 April 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.3 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 43,528 points. Launch price was $499.
Xeon Gold 6538N
The Xeon Gold 6538N is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-5200. Passmark benchmark score: 44,895 points. Launch price was $3,351.
Processing Power
The Core i9-12900KS packs 16 cores / 24 threads, while the Xeon Gold 6538N offers 32 cores / 64 threads — the Xeon Gold 6538N has 16 more cores. Boost clocks reach 5.3 GHz on the Core i9-12900KS versus 4.1 GHz on the Xeon Gold 6538N — a 25.5% clock advantage for the Core i9-12900KS (base: 3.4 GHz vs 2.1 GHz). The Core i9-12900KS uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Gold 6538N uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Core i9-12900KS scores 43,528 against the Xeon Gold 6538N's 44,895 — a 3.1% lead for the Xeon Gold 6538N. L3 cache: 30 MB (total) on the Core i9-12900KS vs 60 MB (total) on the Xeon Gold 6538N.
| Feature | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| Cores / Threads | 16 / 24 | 32 / 64+100% |
| Boost Clock | 5.3 GHz+29% | 4.1 GHz |
| Base Clock | 3.4 GHz+62% | 2.1 GHz |
| L3 Cache | 30 MB (total) | 60 MB (total)+100% |
| L2 Cache | 1.25 MB (per core) | 2 MB (per core)+60% |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Alder Lake-S (2022) | Emerald Rapids (2023) |
| PassMark | 43,528 | 44,895+3% |
| Cinebench R23 Multi | 27,796 | — |
| Geekbench 6 Single | 2,082 | — |
Memory & Platform
The Core i9-12900KS uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6538N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i9-12900KS versus 4800 on the Xeon Gold 6538N — the Xeon Gold 6538N supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6538N supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Core i9-12900KS) vs 8 (Xeon Gold 6538N). PCIe lanes: 20 (Core i9-12900KS) vs 80 (Xeon Gold 6538N) — the Xeon Gold 6538N offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1700 (Core i9-12900KS) and C741 (Xeon Gold 6538N).
| Feature | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| Socket | LGA1700 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-4800 | 4800+95900% |
| Max RAM Capacity | 128 GB+3276700% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 80+300% |
Advanced Features
Only the Core i9-12900KS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. The Core i9-12900KS includes integrated graphics (UHD 770), while the Xeon Gold 6538N requires a dedicated GPU. Direct competitor: Xeon Gold 6538N rivals EPYC 9334.
| Feature | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD 770 | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Core i9-12900KS launched at $739 MSRP, while the Xeon Gold 6538N debuted at $3351. At current prices ($385 vs $170), the Xeon Gold 6538N is $215 cheaper. In terms of value (PassMark points per dollar), the Core i9-12900KS delivers 113.1 pts/$ vs 264.1 pts/$ for the Xeon Gold 6538N — making the Xeon Gold 6538N the 80.1% better value option.
| Feature | Core i9-12900KS | Xeon Gold 6538N |
|---|---|---|
| MSRP | $739-78% | $3351 |
| Avg Price (30d) | $385 | $170-56% |
| Performance per Dollar | 113.1 | 264.1+134% |
| Release Date | 2022 | 2023 |
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