Core i7-6700T vs Xeon E5-1620 v3
Core i7-6700T
Xeon E5-1620 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. The Core i7-6700T is positioned at rank 725 and the Xeon E5-1620 v3 is on rank 577, so the Xeon E5-1620 v3 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-6700T
Performance Per Dollar Xeon E5-1620 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($60) | ⚠️ Higher cost ($189) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+217%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($60) | ⚠️ Higher cost ($189) |
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 i7-6700T and Xeon E5-1620 v3
Core i7-6700T
The Core i7-6700T is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 6,994 points. Launch price was $303.
Xeon E5-1620 v3
The Xeon E5-1620 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.6 GHz. L3 cache: 10 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 6,959 points. Launch price was $800.
Processing Power
Both the Core i7-6700T and Xeon E5-1620 v3 share an identical 4-core/8-thread configuration. Boost clocks reach 3.6 GHz on the Core i7-6700T versus 3.6 GHz on the Xeon E5-1620 v3 — identical boost frequencies (base: 2.8 GHz vs 3.5 GHz). The Core i7-6700T uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E5-1620 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i7-6700T scores 6,994 against the Xeon E5-1620 v3's 6,959 — a 0.5% lead for the Core i7-6700T. L3 cache: 8 MB (total) on the Core i7-6700T vs 10 MB (total) on the Xeon E5-1620 v3.
| Feature | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.6 GHz | 3.6 GHz |
| Base Clock | 2.8 GHz | 3.5 GHz+25% |
| L3 Cache | 8 MB (total) | 10 MB (total)+25% |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Skylake (2015−2016) | Haswell-EP (2014−2015) |
| PassMark | 6,994 | 6,959 |
Memory & Platform
The Core i7-6700T uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-1620 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| Socket | LGA1151 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 768 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Core i7-6700T) / VT-x, VT-d (Xeon E5-1620 v3). Primary use case: Xeon E5-1620 v3 targets Server.
| Feature | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Core i7-6700T launched at $303 MSRP, while the Xeon E5-1620 v3 debuted at $294. At current prices ($60 vs $189), the Core i7-6700T is $129 cheaper. In terms of value (PassMark points per dollar), the Core i7-6700T delivers 116.6 pts/$ vs 36.8 pts/$ for the Xeon E5-1620 v3 — making the Core i7-6700T the 104% better value option.
| Feature | Core i7-6700T | Xeon E5-1620 v3 |
|---|---|---|
| MSRP | $303 | $294-3% |
| Avg Price (30d) | $60-68% | $189 |
| Performance per Dollar | 116.6+217% | 36.8 |
| Release Date | 2015 | 2014 |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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