Xeon E3-1205 v6 vs Core i7-3920XM
Xeon E3-1205 v6
Core i7-3920XM
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 Xeon E3-1205 v6 is positioned at rank 507 and the Core i7-3920XM is on rank 582, so the Xeon E3-1205 v6 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1205 v6
Performance Per Dollar Core i7-3920XM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1205 v6 | Core i7-3920XM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E3-1205 v6 | Core i7-3920XM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 E3-1205 v6 and Core i7-3920XM
Xeon E3-1205 v6
The Xeon E3-1205 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 5,682 points. Launch price was $193.
Core i7-3920XM
The Core i7-3920XM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 5,713 points. Launch price was $1,096.
Processing Power
The Xeon E3-1205 v6 packs 4 cores / 4 threads, matching the Core i7-3920XM's 4 cores. Boost clocks reach 3 GHz on the Xeon E3-1205 v6 versus 3.8 GHz on the Core i7-3920XM — a 23.5% clock advantage for the Core i7-3920XM (base: 3 GHz vs 2.9 GHz). The Xeon E3-1205 v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i7-3920XM uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Xeon E3-1205 v6 scores 5,682 against the Core i7-3920XM's 5,713 — a 0.5% lead for the Core i7-3920XM. L3 cache: 8 MB on the Xeon E3-1205 v6 vs 8 MB (total) on the Core i7-3920XM.
| Feature | Xeon E3-1205 v6 | Core i7-3920XM |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3 GHz | 3.8 GHz+27% |
| Base Clock | 3 GHz+3% | 2.9 GHz |
| L3 Cache | 8 MB | 8 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Kaby Lake (2016−2019) | Ivy Bridge (2012−2013) |
| PassMark | 5,682 | 5,713 |
| Geekbench 6 Single | — | 686 |
Memory & Platform
The Xeon E3-1205 v6 uses the LGA1151 socket (PCIe 3.0), while the Core i7-3920XM uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1205 v6 | Core i7-3920XM |
|---|---|---|
| Socket | LGA1151 | PGA988 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E3-1205 v6) / VT-x, VT-d, EPT (Core i7-3920XM). The Core i7-3920XM includes integrated graphics (HD Graphics 4000), while the Xeon E3-1205 v6 requires a dedicated GPU. Primary use case: Core i7-3920XM targets Extreme Performance Laptop. Direct competitor: Core i7-3920XM rivals A10-5750M.
| Feature | Xeon E3-1205 v6 | Core i7-3920XM |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics 4000 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Extreme Performance Laptop |
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