Xeon E3-1225 v6 vs Xeon X5650

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 E3-1225 v6 vs Xeon X5650 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 E3-1225 v6 vs Xeon X5650: Pros, Cons & Final Verdict

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

Xeon E3-1225 v6

2017

Why buy it

✅Draws 73W instead of 95W, a 22W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon X5650 across 50 shared CPU benchmark tests.
❌Lower PassMark (5,740 vs 5,742).
❌Smaller total L3 cache (8 MB vs 12 MB).

Xeon X5650

2010

Why buy it

✅Better for gaming: +15.8% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (12 MB vs 8 MB).

Trade-offs

❌30.1% higher power demand at 95W vs 73W.

Quick Answers

So, is Xeon X5650 better than Xeon E3-1225 v6?

Yes. Xeon X5650 is the better all-around CPU here. It gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data and 0% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon X5650 is the better pick. According to our tests, it delivers 15.8% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon X5650 is the stronger fit. You are getting 0% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

Xeon X5650 still makes the most sense overall. Xeon X5650 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 15.8% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E3-1225 v6 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2010). That makes it the safer long-term bet.

Xeon E3-1225 v6 vs Xeon X5650 Technical Specifications

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

Xeon E3-1225 v6

The Xeon E3-1225 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 73 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 5,740 points. Launch price was $213.

Xeon X5650

The Xeon X5650 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.66 GHz, with boost up to 3.06 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,742 points. Launch price was $53.

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Processing Power

The Xeon E3-1225 v6 packs 4 cores / 4 threads, while the Xeon X5650 offers 6 cores / 12 threads — the Xeon X5650 has 2 more cores. Boost clocks reach 3.7 GHz on the Xeon E3-1225 v6 versus 3.06 GHz on the Xeon X5650 — a 18.9% clock advantage for the Xeon E3-1225 v6 (base: 3.3 GHz vs 2.66 GHz). The Xeon E3-1225 v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon X5650 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Xeon E3-1225 v6 scores 5,740 against the Xeon X5650's 5,742 — a 0% lead for the Xeon X5650. L3 cache: 8 MB on the Xeon E3-1225 v6 vs 12 MB (total) on the Xeon X5650.

Feature	Xeon E3-1225 v6	Xeon X5650
Cores / Threads	4 / 4	6 / 12+50%
Boost Clock	3.7 GHz+21%	3.06 GHz
Base Clock	3.3 GHz+24%	2.66 GHz
L3 Cache	8 MB	12 MB (total)+50%
L2 Cache	1 MB+300%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Kaby Lake (2016−2019)	Westmere-EP (2010−2011)
PassMark	5,740	5,742

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Memory & Platform

The Xeon E3-1225 v6 uses the LGA1151 socket (PCIe 3.0), while the Xeon X5650 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Xeon E3-1225 v6	Xeon X5650
Socket	LGA1151	LGA1366
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	—	DDR3-1333
RAM Channels	—	3
ECC Support	—	Yes

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Advanced Features

Virtualization: not specified (Xeon E3-1225 v6) / VT-x, VT-d, EPT (Xeon X5650). Primary use case: Xeon X5650 targets Workstation. Direct competitor: Xeon X5650 rivals Core i7-980X.