
Xeon E5-1607 v4 vs Xeon E5-2643

Xeon E5-1607 v4

Xeon E5-2643
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 E5-1607 v4 is positioned at rank 538 and the Xeon E5-2643 is on rank 1009, so the Xeon E5-1607 v4 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-1607 v4
Performance Per Dollar Xeon E5-2643
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1607 v4 | Xeon E5-2643 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5-1607 v4 | Xeon E5-2643 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($50) |
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 E5-1607 v4 and Xeon E5-2643

Xeon E5-1607 v4
The Xeon E5-1607 v4 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 10 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 5,197 points. Launch price was $800.

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.
Processing Power
The Xeon E5-1607 v4 packs 4 cores / 4 threads, matching the Xeon E5-2643's 4 cores. Boost clocks reach 3.1 GHz on the Xeon E5-1607 v4 versus 3.5 GHz on the Xeon E5-2643 — a 12.1% clock advantage for the Xeon E5-2643 (base: 3.1 GHz vs 3.3 GHz). The Xeon E5-1607 v4 uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E5-2643 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Xeon E5-1607 v4 scores 5,197 against the Xeon E5-2643's 5,228 — a 0.6% lead for the Xeon E5-2643. L3 cache: 10 MB on the Xeon E5-1607 v4 vs 10240 kB (total) on the Xeon E5-2643.
| Feature | Xeon E5-1607 v4 | Xeon E5-2643 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.1 GHz | 3.5 GHz+13% |
| Base Clock | 3.1 GHz | 3.3 GHz+6% |
| L3 Cache | 10 MB | 10240 kB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Broadwell (2015−2019) | Sandy Bridge-EP (2012) |
| PassMark | 5,197 | 5,228 |
Memory & Platform
The Xeon E5-1607 v4 uses the LGA2011-3 socket (PCIe 3.0), while the Xeon E5-2643 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-1607 v4 | Xeon E5-2643 |
|---|---|---|
| Socket | LGA2011-3 | LGA2011 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
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