Xeon E3-1240 vs Core i3-8300T
Xeon E3-1240
Core i3-8300T
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 E3-1240 is positioned at rank #627 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 E3-1240
Performance Per Dollar Core i3-8300T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($39) | ✅ More affordable ($25) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+56%) |
| Upfront Cost | ⚠️ Higher cost ($39) | ✅ More affordable ($25) |
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 E3-1240 and Core i3-8300T
Xeon E3-1240
The Xeon E3-1240 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 5,361 points. Launch price was $209.
Core i3-8300T
The Core i3-8300T is manufactured by Intel. It was released in 2 April 2018 (7 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 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 5,378 points. Launch price was $138.
Processing Power
The Xeon E3-1240 packs 4 cores / 8 threads, matching the Core i3-8300T's 4 cores. Boost clocks reach 3.7 GHz on the Xeon E3-1240 versus 3.2 GHz on the Core i3-8300T — a 14.5% clock advantage for the Xeon E3-1240 (base: 3.3 GHz vs 3.2 GHz). The Xeon E3-1240 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i3-8300T uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Xeon E3-1240 scores 5,361 against the Core i3-8300T's 5,378 — a 0.3% lead for the Core i3-8300T. Both processors carry 8 MB (total) of L3 cache.
| Feature | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.7 GHz+16% | 3.2 GHz |
| Base Clock | 3.3 GHz+3% | 3.2 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge (2011−2013) | Coffee Lake (2017−2019) |
| PassMark | 5,361 | 5,378 |
Memory & Platform
The Xeon E3-1240 uses the LGA1155 socket (PCIe 2.0), while the Core i3-8300T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| Socket | LGA1155 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E3-1240) / VT-x, VT-d (Core i3-8300T). The Core i3-8300T includes integrated graphics (UHD Graphics 630), while the Xeon E3-1240 requires a dedicated GPU. Primary use case: Core i3-8300T targets Desktop.
| Feature | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Desktop |
Value Analysis
The Xeon E3-1240 launched at $273 MSRP, while the Core i3-8300T debuted at $138. At current prices ($39 vs $25), the Core i3-8300T is $14 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1240 delivers 137.5 pts/$ vs 215.1 pts/$ for the Core i3-8300T — making the Core i3-8300T the 44.1% better value option.
| Feature | Xeon E3-1240 | Core i3-8300T |
|---|---|---|
| MSRP | $273 | $138-49% |
| Avg Price (30d) | $39 | $25-36% |
| Performance per Dollar | 137.5 | 215.1+56% |
| Release Date | 2011 | 2018 |
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