Celeron G6900T vs Xeon L5638
Celeron G6900T
Xeon L5638
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 Celeron G6900T
Performance Per Dollar Xeon L5638
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G6900T | Xeon L5638 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Celeron G6900T | Xeon L5638 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ 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 Celeron G6900T and Xeon L5638
Celeron G6900T
The Celeron G6900T is manufactured by Intel. It was released in 2007-01-01. It is based on the Alder Lake-S (2022) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 35 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 3,668 points. Launch price was $69.
Xeon L5638
The Xeon L5638 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 3,707 points. Launch price was $90.
Processing Power
The Celeron G6900T packs 2 cores / 2 threads, while the Xeon L5638 offers 6 cores / 12 threads — the Xeon L5638 has 4 more cores. Boost clocks reach 2.8 GHz on the Celeron G6900T versus 2.4 GHz on the Xeon L5638 — a 15.4% clock advantage for the Celeron G6900T (base: 2.8 GHz vs 2 GHz). The Celeron G6900T uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon L5638 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Celeron G6900T scores 3,668 against the Xeon L5638's 3,707 — a 1.1% lead for the Xeon L5638. L3 cache: 4 MB (total) on the Celeron G6900T vs 12 MB (total) on the Xeon L5638.
| Feature | Celeron G6900T | Xeon L5638 |
|---|---|---|
| Cores / Threads | 2 / 2 | 6 / 12+200% |
| Boost Clock | 2.8 GHz+17% | 2.4 GHz |
| Base Clock | 2.8 GHz+40% | 2 GHz |
| L3 Cache | 4 MB (total) | 12 MB (total)+200% |
| L2 Cache | 1.25 MB (per core)+400% | 256 kB (per core) |
| Process | Intel 7 nm-78% | 32 nm |
| Architecture | Alder Lake-S (2022) | Westmere-EP (2010−2011) |
| PassMark | 3,668 | 3,707+1% |
| Geekbench 6 Single | 1,400 | — |
| Geekbench 6 Multi | 2,450 | — |
Memory & Platform
The Celeron G6900T uses the LGA1700 socket (PCIe 5.0), while the Xeon L5638 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Celeron G6900T | Xeon L5638 |
|---|---|---|
| Socket | LGA1700 | LGA1366 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Celeron G6900T) / not specified (Xeon L5638). The Celeron G6900T includes integrated graphics (Intel UHD Graphics 710), while the Xeon L5638 requires a dedicated GPU. Primary use case: Celeron G6900T targets Low Power Desktop. Direct competitor: Celeron G6900T rivals Pentium Gold G7400T.
| Feature | Celeron G6900T | Xeon L5638 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics 710 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Low Power Desktop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Celeron G6900T and Xeon L5638
