CPU
GPU
Xeon Gold 6126T
Core i9-7900X
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 Gold 6126T
Performance Per Dollar Core i9-7900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6126T | Core i9-7900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($188) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6126T | Core i9-7900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($188) |
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 Gold 6126T and Core i9-7900X
Xeon Gold 6126T
The Xeon Gold 6126T is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 19.25 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2666. Passmark benchmark score: 20,821 points. Launch price was $1,865.
Core i9-7900X
The Core i9-7900X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 14 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 20,907 points. Launch price was $999.
Processing Power
The Xeon Gold 6126T packs 12 cores / 24 threads, while the Core i9-7900X offers 10 cores / 20 threads — the Xeon Gold 6126T has 2 more cores. Boost clocks reach 3.7 GHz on the Xeon Gold 6126T versus 4.5 GHz on the Core i9-7900X — a 19.5% clock advantage for the Core i9-7900X (base: 2.6 GHz vs 3.3 GHz). Both are built on the Skylake (server) (2017−2018) architecture using a 14 nm process. In PassMark, the Xeon Gold 6126T scores 20,821 against the Core i9-7900X's 20,907 — a 0.4% lead for the Core i9-7900X. L3 cache: 19.25 MB on the Xeon Gold 6126T vs 14 MB (total) on the Core i9-7900X.
| Feature | Xeon Gold 6126T | Core i9-7900X |
|---|---|---|
| Cores / Threads | 12 / 24+20% | 10 / 20 |
| Boost Clock | 3.7 GHz | 4.5 GHz+22% |
| Base Clock | 2.6 GHz | 3.3 GHz+27% |
| L3 Cache | 19.25 MB+38% | 14 MB (total) |
| L2 Cache | 12 MB+1100% | 1 MB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Skylake (server) (2017−2018) |
| PassMark | 20,821 | 20,907 |
| Geekbench 6 Single | — | 1,323 |
| Geekbench 6 Multi | — | 8,536 |
Memory & Platform
The Xeon Gold 6126T uses the LGA3647 socket (PCIe 3.0), while the Core i9-7900X uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon Gold 6126T | Core i9-7900X |
|---|---|---|
| Socket | LGA3647 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 44 |
Advanced Features
Virtualization: not specified (Xeon Gold 6126T) / VT-x, VT-d (Core i9-7900X). Primary use case: Core i9-7900X targets High-End Desktop.
| Feature | Xeon Gold 6126T | Core i9-7900X |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | High-End Desktop |
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