Xeon E3-1276 v3 vs Core i3-9350K
Xeon E3-1276 v3
Core i3-9350K
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. The Xeon E3-1276 v3 is positioned at rank #416 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 E3-1276 v3
Performance Per Dollar Core i3-9350K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1276 v3 | Core i3-9350K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($244) | ✅ More affordable ($150) |
| Longevity | 🛑 Legacy (Legacy / 22 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1276 v3 | Core i3-9350K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+64%) |
| Upfront Cost | ⚠️ Higher cost ($244) | ✅ More affordable ($150) |
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 E3-1276 v3 and Core i3-9350K
Xeon E3-1276 v3
The Xeon E3-1276 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 84 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,543 points. Launch price was $800.
Core i3-9350K
The Core i3-9350K is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4.6 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR4-2400. Passmark benchmark score: 7,596 points. Launch price was $149.
Processing Power
The Xeon E3-1276 v3 packs 4 cores / 8 threads, matching the Core i3-9350K's 4 cores. Boost clocks reach 4 GHz on the Xeon E3-1276 v3 versus 4.6 GHz on the Core i3-9350K — a 14% clock advantage for the Core i3-9350K (base: 3.6 GHz vs 4 GHz). The Core i3-9350K is built on the Coffee Lake (2017−2019) architecture. In PassMark, the Xeon E3-1276 v3 scores 7,543 against the Core i3-9350K's 7,596 — a 0.7% lead for the Core i3-9350K. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1276 v3 vs 6 MB (total) on the Core i3-9350K.
| Feature | Xeon E3-1276 v3 | Core i3-9350K |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 4 GHz | 4.6 GHz+15% |
| Base Clock | 3.6 GHz | 4 GHz+11% |
| L3 Cache | 8 MB Intel® Smart Cache+33% | 6 MB (total) |
| L2 Cache | — | 256K (per core) |
| Process | 22 nm | 14 nm-36% |
| Architecture | — | Coffee Lake (2017−2019) |
| PassMark | 7,543 | 7,596 |
Memory & Platform
The Xeon E3-1276 v3 uses the LGA1150 socket (PCIe 3.0), while the Core i3-9350K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1276 v3 | Core i3-9350K |
|---|---|---|
| Socket | LGA1150 | LGA1151 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
Value Analysis
The Xeon E3-1276 v3 launched at $213 MSRP, while the Core i3-9350K debuted at $184. At current prices ($244 vs $150), the Core i3-9350K is $94 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1276 v3 delivers 30.9 pts/$ vs 50.6 pts/$ for the Core i3-9350K — making the Core i3-9350K the 48.4% better value option.
| Feature | Xeon E3-1276 v3 | Core i3-9350K |
|---|---|---|
| MSRP | $213 | $184-14% |
| Avg Price (30d) | $244 | $150-39% |
| Performance per Dollar | 30.9 | 50.6+64% |
| Release Date | 2014 | 2019 |
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