Core i7-3930K vs Xeon E3-1230 v6

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 i7-3930K vs Xeon E3-1230 v6 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.

Core i7-3930K vs Xeon E3-1230 v6: Pros, Cons & Final Verdict

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

Core i7-3930K

2011

Why buy it

✅+1.1% higher PassMark.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $583 MSRP, while Xeon E3-1230 v6 mostly shows up through inconsistent older-market listings.
❌80.6% higher power demand at 130W vs 72W.

Xeon E3-1230 v6

2017

Why buy it

✅Draws 72W instead of 130W, a 58W reduction.

Trade-offs

❌Lower PassMark (8,113 vs 8,204).
❌Smaller total L3 cache (8 MB vs 12 MB).

Quick Answers

So, is Xeon E3-1230 v6 better than Core i7-3930K?

Not really, because they are built for different jobs. Xeon E3-1230 v6 makes more sense for workstation-style multi-core throughput, while Core i7-3930K is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Core i7-3930K is the stronger fit. You are getting 1.1% 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 E3-1230 v6 is still the much better call for a fresh build. Xeon E3-1230 v6 comes in at an unclear MSRP at unclear MSRP versus $583 MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. Core i7-3930K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (14.1 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2011.

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

Xeon E3-1230 v6 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2011). That makes it the safer long-term bet.

Core i7-3930K vs Xeon E3-1230 v6 Technical Specifications

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

Core i7-3930K

The Core i7-3930K is manufactured by Intel. It was released in 14 November 2011 (14 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 12 MB (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: 8,204 points. Launch price was $611.

Xeon E3-1230 v6

The Xeon E3-1230 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 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 72 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 8,113 points. Launch price was $250.

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Processing Power

The Core i7-3930K packs 6 cores / 12 threads, while the Xeon E3-1230 v6 offers 4 cores / 8 threads — the Core i7-3930K has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-3930K versus 3.9 GHz on the Xeon E3-1230 v6 — a 2.6% clock advantage for the Xeon E3-1230 v6 (base: 3.2 GHz vs 3.5 GHz). The Core i7-3930K uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Xeon E3-1230 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i7-3930K scores 8,204 against the Xeon E3-1230 v6's 8,113 — a 1.1% lead for the Core i7-3930K. L3 cache: 12 MB (total) on the Core i7-3930K vs 8 MB on the Xeon E3-1230 v6.

Feature	Core i7-3930K	Xeon E3-1230 v6
Cores / Threads	6 / 12+50%	4 / 8
Boost Clock	3.8 GHz	3.9 GHz+3%
Base Clock	3.2 GHz	3.5 GHz+9%
L3 Cache	12 MB (total)+50%	8 MB
L2 Cache	256 kB (per core)	1 MB+300%
Process	32 nm	14 nm-56%
Architecture	Sandy Bridge-E (2011−2013)	Kaby Lake (2016−2019)
PassMark	8,204+1%	8,113
Geekbench 6 Single	731	—

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Memory & Platform

The Core i7-3930K uses the LGA2011 socket (PCIe 2.0), while the Xeon E3-1230 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-3930K	Xeon E3-1230 v6
Socket	LGA2011	LGA1151
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	64 GB	—
RAM Channels	4	—
ECC Support	No	—
PCIe Lanes	40	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i7-3930K) / not specified (Xeon E3-1230 v6). Primary use case: Core i7-3930K targets HEDT Desktop. Direct competitor: Core i7-3930K rivals FX-8350.