Xeon E-2146G vs Core i9-9900T
Xeon E-2146G
Core i9-9900T
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 E-2146G
Performance Per Dollar Core i9-9900T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2146G | Core i9-9900T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($215) |
| Longevity | ✨ Modern (Coffee Lake-S WS (2018−2019) / 14 nm) | ✨ Modern (Coffee Lake-R (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2146G | Core i9-9900T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($215) |
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 E-2146G and Core i9-9900T
Xeon E-2146G
The Xeon E-2146G is manufactured by Intel. It was released in 12 July 2018 (7 years ago). It is based on the Coffee Lake-S WS (2018−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.5 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,240 points. Launch price was $317.
Core i9-9900T
The Core i9-9900T is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 4.4 GHz. L3 cache: 16 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 13,208 points. Launch price was $439.
Processing Power
The Xeon E-2146G packs 6 cores / 12 threads, while the Core i9-9900T offers 8 cores / 16 threads — the Core i9-9900T has 2 more cores. Boost clocks reach 4.5 GHz on the Xeon E-2146G versus 4.4 GHz on the Core i9-9900T — a 2.2% clock advantage for the Xeon E-2146G (base: 3.5 GHz vs 2.1 GHz). The Xeon E-2146G uses the Coffee Lake-S WS (2018−2019) architecture (14 nm), while the Core i9-9900T uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Xeon E-2146G scores 13,240 against the Core i9-9900T's 13,208 — a 0.2% lead for the Xeon E-2146G. L3 cache: 12 MB (total) on the Xeon E-2146G vs 16 MB (total) on the Core i9-9900T.
| Feature | Xeon E-2146G | Core i9-9900T |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 4.5 GHz+2% | 4.4 GHz |
| Base Clock | 3.5 GHz+67% | 2.1 GHz |
| L3 Cache | 12 MB (total) | 16 MB (total)+33% |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-S WS (2018−2019) | Coffee Lake-R (2018−2019) |
| PassMark | 13,240 | 13,208 |
| Geekbench 6 Single | 1,557 | — |
| Geekbench 6 Multi | 6,385 | — |
Memory & Platform
Both processors use the LGA1151 socket with PCIe 3.0.
| Feature | Xeon E-2146G | Core i9-9900T |
|---|---|---|
| Socket | LGA1151 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: Yes (Xeon E-2146G) / not specified (Core i9-9900T). The Xeon E-2146G includes integrated graphics (UHD Graphics P630), while the Core i9-9900T requires a dedicated GPU.
| Feature | Xeon E-2146G | Core i9-9900T |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics P630 | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
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