
Xeon E5-2643 vs Xeon E5-2648L

Xeon E5-2643

Xeon E5-2648L
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. The Xeon E5-2643 is positioned at rank 1009 and the Xeon E5-2648L is on rank 533, so the Xeon E5-2648L offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2643
Performance Per Dollar Xeon E5-2648L
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2643 | Xeon E5-2648L |
|---|---|---|
| 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 | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5-2643 | Xeon E5-2648L |
|---|---|---|
| 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 Xeon E5-2643 and Xeon E5-2648L

Xeon E5-2643
The Xeon E5-2643 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.5 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 5,228 points. Launch price was $218.

Xeon E5-2648L
The Xeon E5-2648L is manufactured by Intel. It was released in 2015-01-01. It is based on the Sandy Bridge-EP (2012) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 2.3 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 70 Watt. Memory support: DDR3. Passmark benchmark score: 5,262 points. Launch price was $800.
Processing Power
The Xeon E5-2643 packs 4 cores / 8 threads, while the Xeon E5-2648L offers 8 cores / 16 threads — the Xeon E5-2648L has 4 more cores. Boost clocks reach 3.5 GHz on the Xeon E5-2643 versus 2.3 GHz on the Xeon E5-2648L — a 41.4% clock advantage for the Xeon E5-2643 (base: 3.3 GHz vs 1.8 GHz). Both are built on the Sandy Bridge-EP (2012) architecture using a 32 nm process. In PassMark, the Xeon E5-2643 scores 5,228 against the Xeon E5-2648L's 5,262 — a 0.6% lead for the Xeon E5-2648L. L3 cache: 10240 kB (total) on the Xeon E5-2643 vs 20480 kB (total) on the Xeon E5-2648L.
| Feature | Xeon E5-2643 | Xeon E5-2648L |
|---|---|---|
| Cores / Threads | 4 / 8 | 8 / 16+100% |
| Boost Clock | 3.5 GHz+52% | 2.3 GHz |
| Base Clock | 3.3 GHz+83% | 1.8 GHz |
| L3 Cache | 10240 kB (total) | 20480 kB (total)+100% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge-EP (2012) | Sandy Bridge-EP (2012) |
| PassMark | 5,228 | 5,262 |
Memory & Platform
Both processors use the LGA2011 socket with PCIe 5.0.
| Feature | Xeon E5-2643 | Xeon E5-2648L |
|---|---|---|
| Socket | LGA2011 | LGA2011 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
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