Core i9-11900T vs Xeon Silver 4309Y
Core i9-11900T
Xeon Silver 4309Y
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 i9-11900T
Performance Per Dollar Xeon Silver 4309Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-11900T | Xeon Silver 4309Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($413) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Rocket Lake (2021) / 14 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Core i9-11900T | Xeon Silver 4309Y |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($413) | ✅ More affordable ($0) |
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 i9-11900T and Xeon Silver 4309Y
Core i9-11900T
The Core i9-11900T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Rocket Lake (2021) architecture. It features 8 cores and 16 threads. Base frequency is 1.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-3200. Passmark benchmark score: 18,620 points. Launch price was $299.
Xeon Silver 4309Y
The Xeon Silver 4309Y is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 3.6 GHz. L3 cache: 12 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2667. Passmark benchmark score: 18,718 points. Launch price was $800.
Processing Power
Both the Core i9-11900T and Xeon Silver 4309Y share an identical 8-core/16-thread configuration. Boost clocks reach 4.9 GHz on the Core i9-11900T versus 3.6 GHz on the Xeon Silver 4309Y — a 30.6% clock advantage for the Core i9-11900T (base: 1.5 GHz vs 2.8 GHz). The Core i9-11900T uses the Rocket Lake (2021) architecture (14 nm), while the Xeon Silver 4309Y uses Ice Lake-SP (2021) (10 nm). In PassMark, the Core i9-11900T scores 18,620 against the Xeon Silver 4309Y's 18,718 — a 0.5% lead for the Xeon Silver 4309Y. L3 cache: 16 MB (total) on the Core i9-11900T vs 12 MB (total) on the Xeon Silver 4309Y.
| Feature | Core i9-11900T | Xeon Silver 4309Y |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.9 GHz+36% | 3.6 GHz |
| Base Clock | 1.5 GHz | 2.8 GHz+87% |
| L3 Cache | 16 MB (total)+33% | 12 MB (total) |
| L2 Cache | 256K (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 10 nm-29% |
| Architecture | Rocket Lake (2021) | Ice Lake-SP (2021) |
| PassMark | 18,620 | 18,718 |
| Geekbench 6 Single | 2,100 | — |
| Geekbench 6 Multi | 9,200 | — |
Memory & Platform
The Core i9-11900T uses the LGA1200 socket (PCIe 3.0), while the Xeon Silver 4309Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Core i9-11900T | Xeon Silver 4309Y |
|---|---|---|
| Socket | LGA1200 | LGA4189 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| 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 i9-11900T) / not specified (Xeon Silver 4309Y). The Core i9-11900T includes integrated graphics (Intel UHD Graphics 750), while the Xeon Silver 4309Y requires a dedicated GPU. Primary use case: Core i9-11900T targets Low Power High Perf Desktop.
| Feature | Core i9-11900T | Xeon Silver 4309Y |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 750 | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Low Power High Perf Desktop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i9-11900T and Xeon Silver 4309Y
