Xeon E3-1281 v3 vs Xeon E5-1630 v4

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 E3-1281 v3 vs Xeon E5-1630 v4 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.

Xeon E3-1281 v3 vs Xeon E5-1630 v4: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon E3-1281 v3

2014

Why buy it

✅+0.3% higher PassMark.
✅Draws 82W instead of 140W, a 58W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1630 v4 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (8 MB vs 10 MB).
❌Launch MSRP is still $555 MSRP, while Xeon E5-1630 v4 mostly shows up through inconsistent older-market listings.

Xeon E5-1630 v4

2016

Why buy it

✅Better for gaming: +9.1% higher average FPS across 50 shared CPU benchmark tests.
✅+25% larger total L3 cache (10 MB vs 8 MB).

Trade-offs

❌Lower PassMark (7,561 vs 7,587).
❌70.7% higher power demand at 140W vs 82W.

Quick Answers

So, is Xeon E3-1281 v3 better than Xeon E5-1630 v4?

It depends on what you want from the system. For gaming, Xeon E5-1630 v4 is ahead with a 9.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1281 v3 pulls ahead with 0.3% better PassMark. Xeon E5-1630 v4 also has the bigger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E3-1281 v3 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Xeon E3-1281 v3 is the better buy right now. Xeon E3-1281 v3 comes in at an unclear MSRP at $555 MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark. The compromise is that Xeon E5-1630 v4 is still the better pure gaming CPU with a 9.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.7 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Xeon E5-1630 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2014) and 25% larger total L3 cache (10 MB vs 8 MB). That makes it the safer long-term bet.

Xeon E3-1281 v3 vs Xeon E5-1630 v4 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon E3-1281 v3

The Xeon E3-1281 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 82 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,587 points. Launch price was $800.

Xeon E5-1630 v4

The Xeon E5-1630 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell-EP (2016) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 10 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 7,561 points. Launch price was $406.

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Processing Power

Both the Xeon E3-1281 v3 and Xeon E5-1630 v4 share an identical 4-core/8-thread configuration. Boost clocks reach 4.1 GHz on the Xeon E3-1281 v3 versus 4 GHz on the Xeon E5-1630 v4 — a 2.5% clock advantage for the Xeon E3-1281 v3 (base: 3.7 GHz vs 3.7 GHz). The Xeon E5-1630 v4 is built on the Broadwell-EP (2016) architecture. In PassMark, the Xeon E3-1281 v3 scores 7,587 against the Xeon E5-1630 v4's 7,561 — a 0.3% lead for the Xeon E3-1281 v3. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1281 v3 vs 10 MB (total) on the Xeon E5-1630 v4.

Feature	Xeon E3-1281 v3	Xeon E5-1630 v4
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.1 GHz+2%	4 GHz
Base Clock	3.7 GHz	3.7 GHz
L3 Cache	8 MB Intel® Smart Cache	10 MB (total)+25%
L2 Cache	—	256K (per core)
Process	22 nm	14 nm-36%
Architecture	—	Broadwell-EP (2016)
PassMark	7,587	7,561

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Memory & Platform

The Xeon E3-1281 v3 uses the LGA1150 socket (PCIe 3.0), while the Xeon E5-1630 v4 uses LGA2011 (PCIe 4.0) — making them incompatible on the same motherboard.