Xeon E5-2667 vs Core i5-8400T
Xeon E5-2667
Core i5-8400T
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 E5-2667 is positioned at rank #991 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 E5-2667
Performance Per Dollar Core i5-8400T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($31) | ⚠️ Higher cost ($179) |
| Longevity | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+479%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($31) | ⚠️ Higher cost ($179) |
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 E5-2667 and Core i5-8400T
Xeon E5-2667
The Xeon E5-2667 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 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 15360 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: 7,442 points. Launch price was $714.
Core i5-8400T
The Core i5-8400T 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 6 cores and 6 threads. Base frequency is 1.7 GHz, with boost up to 3.3 GHz. L3 cache: 9 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 7,426 points. Launch price was $182.
Processing Power
The Xeon E5-2667 packs 6 cores / 12 threads, matching the Core i5-8400T's 6 cores. Boost clocks reach 3.5 GHz on the Xeon E5-2667 versus 3.3 GHz on the Core i5-8400T — a 5.9% clock advantage for the Xeon E5-2667 (base: 2.9 GHz vs 1.7 GHz). The Xeon E5-2667 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Core i5-8400T uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Xeon E5-2667 scores 7,442 against the Core i5-8400T's 7,426 — a 0.2% lead for the Xeon E5-2667. L3 cache: 15360 kB (total) on the Xeon E5-2667 vs 9 MB (total) on the Core i5-8400T.
| Feature | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 6 |
| Boost Clock | 3.5 GHz+6% | 3.3 GHz |
| Base Clock | 2.9 GHz+71% | 1.7 GHz |
| L3 Cache | 15360 kB (total)+67% | 9 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge-EP (2012) | Coffee Lake (2017−2019) |
| PassMark | 7,442 | 7,426 |
| Cinebench R23 Multi | — | 3,737 |
| Geekbench 6 Single | — | 1,092 |
| Geekbench 6 Multi | — | 3,816 |
Memory & Platform
The Xeon E5-2667 uses the LGA2011 socket (PCIe 2.0), while the Core i5-8400T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3 1600 MHz on the Xeon E5-2667 versus DDR4-2666 on the Core i5-8400T — the Xeon E5-2667 supports 199.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-2667 supports up to 384 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Memory channels: 4 (Xeon E5-2667) vs 2 (Core i5-8400T). PCIe lanes: 40 (Xeon E5-2667) vs 16 (Core i5-8400T) — the Xeon E5-2667 offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C602,Intel X79 (Xeon E5-2667) and H310,B360,H370,Q370,Z370,Z390 (Core i5-8400T).
| Feature | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| Socket | LGA2011 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3 1600 MHz | DDR4-2666+33% |
| Max RAM Capacity | 384 GB+200% | 128 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 40+150% | 16 |
Advanced Features
Virtualization support: true (Xeon E5-2667) vs Yes (Core i5-8400T). The Core i5-8400T includes integrated graphics (UHD Graphics 630), while the Xeon E5-2667 requires a dedicated GPU. Primary use case: Xeon E5-2667 targets Server.
| Feature | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | true | Yes |
| Target Use | Server | — |
Value Analysis
The Xeon E5-2667 launched at $1552 MSRP, while the Core i5-8400T debuted at $182. At current prices ($31 vs $179), the Xeon E5-2667 is $148 cheaper. In terms of value (PassMark points per dollar), the Xeon E5-2667 delivers 240.1 pts/$ vs 41.5 pts/$ for the Core i5-8400T — making the Xeon E5-2667 the 141.1% better value option.
| Feature | Xeon E5-2667 | Core i5-8400T |
|---|---|---|
| MSRP | $1552 | $182-88% |
| Avg Price (30d) | $31-83% | $179 |
| Performance per Dollar | 240.1+479% | 41.5 |
| Release Date | 2012 | 2018 |
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