
Core i7-3770S

Xeon E3-1265L 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 i7-3770S is positioned at rank 691 and the Xeon E3-1265L v3 is on rank 610, so the Xeon E3-1265L 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 i7-3770S
Performance Per Dollar Xeon E3-1265L v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($250) | ⚠️ Higher cost ($398) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Haswell-WS (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+59%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($250) | ⚠️ Higher cost ($398) |
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 i7-3770S and Xeon E3-1265L v3

Core i7-3770S
The Core i7-3770S 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 3.1 GHz, with boost up to 3.9 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 6,173 points. Launch price was $330.

Xeon E3-1265L v3
The Xeon E3-1265L v3 is manufactured by Intel. It was released in 2 June 2013 (12 years ago). It is based on the Haswell-WS (2013−2014) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.7 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 6,187 points. Launch price was $710.
Processing Power
Both the Core i7-3770S and Xeon E3-1265L v3 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-3770S versus 3.7 GHz on the Xeon E3-1265L v3 — a 5.3% clock advantage for the Core i7-3770S (base: 3.1 GHz vs 2.5 GHz). The Core i7-3770S uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E3-1265L v3 uses Haswell-WS (2013−2014) (22 nm). In PassMark, the Core i7-3770S scores 6,173 against the Xeon E3-1265L v3's 6,187 — a 0.2% lead for the Xeon E3-1265L v3. Geekbench 6 single-core — the metric most relevant to gaming — records 694 vs 996, a 35.7% lead for the Xeon E3-1265L v3 that directly translates to higher frame rates. Multi-core Geekbench: 2,303 vs 3,458 (40.1% advantage for the Xeon E3-1265L v3). Both processors carry 8192 kB (total) of L3 cache.
| Feature | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.9 GHz+5% | 3.7 GHz |
| Base Clock | 3.1 GHz+24% | 2.5 GHz |
| L3 Cache | 8192 kB (total) | 8192 kB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Ivy Bridge (2012−2013) | Haswell-WS (2013−2014) |
| PassMark | 6,173 | 6,187 |
| Cinebench R23 Multi | 4,500 | — |
| Geekbench 6 Single | 694 | 996+44% |
| Geekbench 6 Multi | 2,303 | 3,458+50% |
Memory & Platform
The Core i7-3770S uses the LGA1155 socket (PCIe 3.0), while the Xeon E3-1265L v3 uses LGA1150 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Z77,H77,B75,Z68,P67,H67 (Core i7-3770S) and C220 Series,Intel 80 Series (Xeon E3-1265L v3).
| Feature | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| Socket | LGA1155 | LGA1150 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR3-1600 | DDR3-1600 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i7-3770S) vs Yes (Xeon E3-1265L v3). Both include integrated graphics — HD Graphics 4000 (Core i7-3770S) and HD Graphics P4600 (Xeon E3-1265L v3) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-3770S targets Budget, Xeon E3-1265L v3 targets Server.
| Feature | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 4000 | HD Graphics P4600 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | Yes |
| Target Use | Budget | Server |
Value Analysis
The Core i7-3770S launched at $250 MSRP, while the Xeon E3-1265L v3 debuted at $294. At current prices ($250 vs $398), the Core i7-3770S is $148 cheaper. In terms of value (PassMark points per dollar), the Core i7-3770S delivers 24.7 pts/$ vs 15.5 pts/$ for the Xeon E3-1265L v3 — making the Core i7-3770S the 45.5% better value option.
| Feature | Core i7-3770S | Xeon E3-1265L v3 |
|---|---|---|
| MSRP | $250-15% | $294 |
| Avg Price (30d) | $250-37% | $398 |
| Performance per Dollar | 24.7+59% | 15.5 |
| Release Date | 2012 | 2013 |
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