CPU
GPU
Core i3-9300T
Xeon E3-1275L v3
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 Core i3-9300T
Performance Per Dollar Xeon E3-1275L v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($309) | ✅ More affordable ($29) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | 🛑 Legacy (Legacy / 22 nm) |
💎 Value Proposition
| Insight | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+966%) |
| Upfront Cost | ⚠️ Higher cost ($309) | ✅ More affordable ($29) |
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 Core i3-9300T and Xeon E3-1275L v3
Core i3-9300T
The Core i3-9300T 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 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,323 points. Launch price was $143.
Xeon E3-1275L v3
The Xeon E3-1275L v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 6,327 points. Launch price was $800.
Processing Power
The Core i3-9300T packs 4 cores / 4 threads, matching the Xeon E3-1275L v3's 4 cores. Boost clocks reach 3.8 GHz on the Core i3-9300T versus 3.9 GHz on the Xeon E3-1275L v3 — a 2.6% clock advantage for the Xeon E3-1275L v3 (base: 3.2 GHz vs 2.7 GHz). The Core i3-9300T is built on the Coffee Lake (2017−2019) architecture. In PassMark, the Core i3-9300T scores 6,323 against the Xeon E3-1275L v3's 6,327 — a 0.1% lead for the Xeon E3-1275L v3. Geekbench 6 single-core — the metric most relevant to gaming — records 1,000 vs 900, a 10.5% lead for the Core i3-9300T that directly translates to higher frame rates. Multi-core Geekbench: 3,265 vs 3,000 (8.5% advantage for the Core i3-9300T). L3 cache: 8 MB on the Core i3-9300T vs 8 MB Intel® Smart Cache on the Xeon E3-1275L v3.
| Feature | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.8 GHz | 3.9 GHz+3% |
| Base Clock | 3.2 GHz+19% | 2.7 GHz |
| L3 Cache | 8 MB | 8 MB Intel® Smart Cache |
| L2 Cache | 1 MB | — |
| Process | 14 nm-36% | 22 nm |
| Architecture | Coffee Lake (2017−2019) | — |
| PassMark | 6,323 | 6,327 |
| Geekbench 6 Single | 1,000+11% | 900 |
| Geekbench 6 Multi | 3,265+9% | 3,000 |
Memory & Platform
The Core i3-9300T uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1275L v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-9300T versus DDR3-1600 on the Xeon E3-1275L v3 — the Core i3-9300T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-9300T supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H310,B360,H370,Z370,Z390 (Core i3-9300T) and C220,C226 (Xeon E3-1275L v3).
| Feature | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| Socket | LGA1151 | LGA1150 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400+33% | DDR3-1600 |
| Max RAM Capacity | 64 GB+100% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d, EPT (Core i3-9300T) vs VT-x, VT-d (Xeon E3-1275L v3). Both include integrated graphics — Intel UHD Graphics 630 (Core i3-9300T) and Intel HD Graphics P4600 (Xeon E3-1275L v3) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-9300T targets Low Power Desktop, Xeon E3-1275L v3 targets Low Power Server. Direct competitor: Xeon E3-1275L v3 rivals Xeon E3-1270 v3.
| Feature | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 630 | Intel HD Graphics P4600 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Low Power Desktop | Low Power Server |
Value Analysis
The Core i3-9300T launched at $309 MSRP, while the Xeon E3-1275L v3 debuted at $350. At current prices ($309 vs $29), the Xeon E3-1275L v3 is $280 cheaper. In terms of value (PassMark points per dollar), the Core i3-9300T delivers 20.5 pts/$ vs 218.2 pts/$ for the Xeon E3-1275L v3 — making the Xeon E3-1275L v3 the 165.7% better value option.
| Feature | Core i3-9300T | Xeon E3-1275L v3 |
|---|---|---|
| MSRP | $309-12% | $350 |
| Avg Price (30d) | $309 | $29-91% |
| Performance per Dollar | 20.5 | 218.2+964% |
| Release Date | 2019 | 2014 |
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