
Xeon E5-2643 vs Core i7-3615QM

Xeon E5-2643

Core i7-3615QM
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 E5-2643 is positioned at rank 1009 and the Core i7-3615QM is on rank 307, so the Core i7-3615QM offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2643
Performance Per Dollar Core i7-3615QM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2643 | Core i7-3615QM |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-2643 | Core i7-3615QM |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
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 E5-2643 and Core i7-3615QM

Xeon E5-2643
The Xeon E5-2643 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 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.5 GHz. L3 cache: 10240 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: 5,228 points. Launch price was $218.

Core i7-3615QM
The Core i7-3615QM 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 2.3 GHz, with boost up to 3.3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1224. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,167 points. Launch price was $378.
Processing Power
Both the Xeon E5-2643 and Core i7-3615QM share an identical 4-core/8-thread configuration. Boost clocks reach 3.5 GHz on the Xeon E5-2643 versus 3.3 GHz on the Core i7-3615QM — a 5.9% clock advantage for the Xeon E5-2643 (base: 3.3 GHz vs 2.3 GHz). The Xeon E5-2643 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Core i7-3615QM uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Xeon E5-2643 scores 5,228 against the Core i7-3615QM's 5,167 — a 1.2% lead for the Xeon E5-2643. L3 cache: 10240 kB (total) on the Xeon E5-2643 vs 6 MB (total) on the Core i7-3615QM.
| Feature | Xeon E5-2643 | Core i7-3615QM |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.5 GHz+6% | 3.3 GHz |
| Base Clock | 3.3 GHz+43% | 2.3 GHz |
| L3 Cache | 10240 kB (total)+67% | 6 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Sandy Bridge-EP (2012) | Ivy Bridge (2012−2013) |
| PassMark | 5,228+1% | 5,167 |
Memory & Platform
The Xeon E5-2643 uses the LGA2011 socket (PCIe 5.0), while the Core i7-3615QM uses FCBGA1224 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2643 | Core i7-3615QM |
|---|---|---|
| Socket | LGA2011 | FCBGA1224 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
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