
Core i7-3687U

Xeon E5-2407
Core i7-3687U vs Xeon E5-2407 Performance Spectrum
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.
Core i7-3687U vs Xeon E5-2407 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core i7-3687U vs Xeon E5-2407: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i7-3687U
2013Why buy it
- β 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
- β Integrated graphics onboard with HD Graphics 4000, while Xeon E5-2407 needs a discrete GPU.
Trade-offs
- βLower PassMark (2,621 vs 2,659).
- βSmaller total L3 cache (4 MB vs 10 MB).
- βLess compelling for workstation-style loads than Xeon E5-2407, which brings 4 cores / 4 threads.
- β540% higher power demand at 512W vs 80W.
Xeon E5-2407
2012Why buy it
- β +1.4% higher PassMark.
- β +150% larger total L3 cache (10 MB vs 4 MB).
- β Better for workstations and heavier parallel workloads: 4 cores / 4 threads.
- β Draws 80W instead of 512W, a 432W reduction.
Trade-offs
- βLaunch MSRP is still $250 MSRP, while Core i7-3687U mostly shows up through inconsistent older-market listings.
- βNo integrated graphics, while Core i7-3687U can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Xeon E5-2407 better than Core i7-3687U?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i7-3687U vs Xeon E5-2407 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-3687U
The Core i7-3687U is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012β2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 2,621 points. Launch price was $69.

Xeon E5-2407
The Xeon E5-2407 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,659 points. Launch price was $335.
Processing Power
The Core i7-3687U packs 2 cores / 4 threads, while the Xeon E5-2407 offers 4 cores / 4 threads β the Xeon E5-2407 has 2 more cores. Boost clocks reach 3.3 GHz on the Core i7-3687U versus 2.2 GHz on the Xeon E5-2407 β a 40% clock advantage for the Core i7-3687U (base: 2.1 GHz vs 2.2 GHz). The Core i7-3687U uses the Ivy Bridge (2012β2013) architecture (22 nm), while the Xeon E5-2407 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Core i7-3687U scores 2,621 against the Xeon E5-2407's 2,659 β a 1.4% lead for the Xeon E5-2407. L3 cache: 4 MB (total) on the Core i7-3687U vs 10240 kB (total) on the Xeon E5-2407.
| Feature | Core i7-3687U | Xeon E5-2407 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.3 GHz+50% | 2.2 GHz |
| Base Clock | 2.1 GHz | 2.2 GHz+5% |
| L3 Cache | 4 MB (total) | 10240 kB (total)+150% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012β2013) | Sandy Bridge-EN (2012) |
| PassMark | 2,621 | 2,659+1% |
| Geekbench 6 Single | 640 | β |
| Geekbench 6 Multi | 1,240 | β |
Memory & Platform
The Core i7-3687U uses the BGA1023 socket (PCIe 3.0), while the Xeon E5-2407 uses LGA1356 (PCIe 2.0) β making them incompatible on the same motherboard.
| Feature | Core i7-3687U | Xeon E5-2407 |
|---|---|---|
| Socket | BGA1023 | LGA1356 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3L-1600 | β |
| Max RAM Capacity | 32 GB | β |
| RAM Channels | 2 | β |
| ECC Support | No | β |
| PCIe Lanes | 16 | β |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-3687U) / not specified (Xeon E5-2407). The Core i7-3687U includes integrated graphics (HD Graphics 4000), while the Xeon E5-2407 requires a dedicated GPU. Primary use case: Core i7-3687U targets Enthusiast. Direct competitor: Core i7-3687U rivals Ryzen 7 3700U.
| Feature | Core i7-3687U | Xeon E5-2407 |
|---|---|---|
| Integrated GPU | Yes | β |
| IGPU Model | HD Graphics 4000 | β |
| Unlocked | No | β |
| AVX-512 | No | β |
| Virtualization | VT-x, VT-d | β |
| Target Use | Enthusiast | β |
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