Core i7-3770K vs Xeon E3-1270 v2

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 i7-3770K vs Xeon E3-1270 v2 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 i7-3770K vs Xeon E3-1270 v2: Pros, Cons & Final Verdict

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

Core i7-3770K

2012

Why buy it

✅Better for gaming: +4.7% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (6,495 vs 6,498).
❌Less compelling for workstation-style loads than Xeon E3-1270 v2, which brings 4 cores / 8 threads and 16 PCIe lanes.
❌Launch MSRP is still $332 MSRP, while Xeon E3-1270 v2 mostly shows up through inconsistent older-market listings.

Xeon E3-1270 v2

2012

Why buy it

✅+0% higher PassMark.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads, plus 16 PCIe lanes vs 0.
✅Draws 69W instead of 77W, a 8W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-3770K across 50 shared CPU benchmark tests.

Quick Answers

So, is Xeon E3-1270 v2 better than Core i7-3770K?

Not really, because they are built for different jobs. Xeon E3-1270 v2 makes more sense for workstation-style multi-core throughput, while Core i7-3770K 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, Xeon E3-1270 v2 is the stronger fit. You are getting 0% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1270 v2 is still the much better call for a fresh build. Xeon E3-1270 v2 comes in at an unclear MSRP at unclear MSRP versus $332 MSRP, and it still gives you 0% better PassMark. Core i7-3770K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2012 platform. Even with 100.0% better value on paper (19.6 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Xeon E3-1270 v2 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3770K vs Xeon E3-1270 v2 Technical Specifications

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

Core i7-3770K

The Core i7-3770K is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) 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 (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 77 Watt. Memory support: DDR3. Passmark benchmark score: 6,495 points. Launch price was $294.

Xeon E3-1270 v2

The Xeon E3-1270 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) 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 (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 69 Watt. Memory support: DDR3. Passmark benchmark score: 6,498 points. Launch price was $192.

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Processing Power

Both the Core i7-3770K and Xeon E3-1270 v2 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-3770K versus 3.9 GHz on the Xeon E3-1270 v2 — identical boost frequencies (base: 3.5 GHz vs 3.5 GHz). Both are built on the Ivy Bridge (2012−2013) architecture using a 22 nm process. In PassMark, the Core i7-3770K scores 6,495 against the Xeon E3-1270 v2's 6,498 — a 0% lead for the Xeon E3-1270 v2. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-3770K	Xeon E3-1270 v2
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.9 GHz	3.9 GHz
Base Clock	3.5 GHz	3.5 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm	22 nm
Architecture	Ivy Bridge (2012−2013)	Ivy Bridge (2012−2013)
PassMark	6,495	6,498
Geekbench 6 Single	—	672
Geekbench 6 Multi	—	2,032

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Memory & Platform

Both processors use the LGA1155 socket with PCIe 3.0.

Feature	Core i7-3770K	Xeon E3-1270 v2
Socket	LGA1155	LGA1155
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR3-1600
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	16

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Advanced Features

Virtualization: not specified (Core i7-3770K) / VT-x, VT-d, EPT (Xeon E3-1270 v2). Primary use case: Xeon E3-1270 v2 targets Productivity. Direct competitor: Xeon E3-1270 v2 rivals Core i7-3770.