CPU
GPU
Xeon E3-1240L v5
Core i7-4820K
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 E3-1240L v5 is positioned at rank 440 and the Core i7-4820K is on rank 800, so the Xeon E3-1240L v5 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1240L v5
Performance Per Dollar Core i7-4820K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1240L v5 | Core i7-4820K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Skylake-DT (2015) / 14 nm) | 🛑 Legacy (Ivy Bridge-E (2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E3-1240L v5 | Core i7-4820K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($40) |
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 E3-1240L v5 and Core i7-4820K
Xeon E3-1240L v5
The Xeon E3-1240L v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) architecture. It features 4 cores and 8 threads. Base frequency is 2.1 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 25 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 6,547 points. Launch price was $278.
Core i7-4820K
The Core i7-4820K is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-E (2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 3.9 GHz. L3 cache: 10 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 6,515 points. Launch price was $399.
Processing Power
Both the Xeon E3-1240L v5 and Core i7-4820K share an identical 4-core/8-thread configuration. Boost clocks reach 3.2 GHz on the Xeon E3-1240L v5 versus 3.9 GHz on the Core i7-4820K — a 19.7% clock advantage for the Core i7-4820K (base: 2.1 GHz vs 3.7 GHz). The Xeon E3-1240L v5 uses the Skylake-DT (2015) architecture (14 nm), while the Core i7-4820K uses Ivy Bridge-E (2013) (22 nm). In PassMark, the Xeon E3-1240L v5 scores 6,547 against the Core i7-4820K's 6,515 — a 0.5% lead for the Xeon E3-1240L v5. L3 cache: 8 MB (total) on the Xeon E3-1240L v5 vs 10 MB (total) on the Core i7-4820K.
| Feature | Xeon E3-1240L v5 | Core i7-4820K |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.2 GHz | 3.9 GHz+22% |
| Base Clock | 2.1 GHz | 3.7 GHz+76% |
| L3 Cache | 8 MB (total) | 10 MB (total)+25% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Skylake-DT (2015) | Ivy Bridge-E (2013) |
| PassMark | 6,547 | 6,515 |
Memory & Platform
The Xeon E3-1240L v5 uses the LGA1151 socket (PCIe 3.0), while the Core i7-4820K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1240L v5 | Core i7-4820K |
|---|---|---|
| Socket | LGA1151 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon E3-1240L v5 and Core i7-4820K
