
Xeon E3-1275

Xeon W-2104
Xeon E3-1275 vs Xeon W-2104 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.
Xeon E3-1275 vs Xeon W-2104 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
Xeon E3-1275 vs Xeon W-2104: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Xeon E3-1275
2011Why buy it
- ✅Better for gaming: +11.8% higher average FPS across 50 shared CPU benchmark tests.
- ✅Draws 95W instead of 120W, a 25W reduction.
Trade-offs
- ❌Lower PassMark (5,496 vs 5,530).
Xeon W-2104
2017Why buy it
- ✅+0.6% higher PassMark.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon E3-1275 across 50 shared CPU benchmark tests.
- ❌Launch MSRP is still $294 MSRP, while Xeon E3-1275 mostly shows up through inconsistent older-market listings.
- ❌26.3% higher power demand at 120W vs 95W.
Quick Answers
So, is Xeon W-2104 better than Xeon E3-1275?
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?
Xeon E3-1275 vs Xeon W-2104 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon E3-1275
The Xeon E3-1275 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,496 points. Launch price was $450.

Xeon W-2104
The Xeon W-2104 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 5,530 points. Launch price was $255.
Processing Power
The Xeon E3-1275 packs 4 cores / 8 threads, matching the Xeon W-2104's 4 cores. Boost clocks reach 3.8 GHz on the Xeon E3-1275 versus 3.2 GHz on the Xeon W-2104 — a 17.1% clock advantage for the Xeon E3-1275 (base: 3.4 GHz vs 3.2 GHz). The Xeon E3-1275 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Xeon W-2104 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E3-1275 scores 5,496 against the Xeon W-2104's 5,530 — a 0.6% lead for the Xeon W-2104. L3 cache: 8 MB (total) on the Xeon E3-1275 vs 8.25 MB (total) on the Xeon W-2104.
| Feature | Xeon E3-1275 | Xeon W-2104 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.8 GHz+19% | 3.2 GHz |
| Base Clock | 3.4 GHz+6% | 3.2 GHz |
| L3 Cache | 8 MB (total) | 8.25 MB (total)+3% |
| L2 Cache | 256 kB (per core) | 1 MB (per core)+300% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge (2011−2013) | Skylake (server) (2017−2018) |
| PassMark | 5,496 | 5,530 |
Memory & Platform
The Xeon E3-1275 uses the LGA1155 socket (PCIe 2.0), while the Xeon W-2104 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1275 | Xeon W-2104 |
|---|---|---|
| Socket | LGA1155 | LGA2066 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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