Core i7-4820K vs Xeon E3-1270 v2

Intel

Core i7-4820K

4 Cores8 Thrd130 WWMax: 3.9 GHz2013
Similar parts
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VS
Intel

Xeon E3-1270 v2

4 Cores8 Thrd69 WWMax: 3.9 GHz2012
Similar parts
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Core i7-4820K vs Xeon E3-1270 v2 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.

Core i7-4820K 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 i7-4820K 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 i7-4820K

2013

Why buy it

  • +0.3% higher PassMark.
  • +25% larger total L3 cache (10 MB vs 8 MB).

Trade-offs

  • 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.
  • 88.4% higher power demand at 130W vs 69W.

Xeon E3-1270 v2

2012

Why buy it

  • Better for workstations and heavier parallel workloads: 4 cores / 8 threads, plus 16 PCIe lanes vs 0.
  • Draws 69W instead of 130W, a 61W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark (6,498 vs 6,515).
  • Smaller total L3 cache (8 MB vs 10 MB).

Quick Answers

So, is Core i7-4820K better than Xeon E3-1270 v2?
Not really, because they are built for different jobs. Xeon E3-1270 v2 makes more sense for workstation-style multi-core throughput, while Core i7-4820K is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
For gaming, this matchup is basically a tie in the data we have.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-4820K is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-4820K is the better buy right now. Core i7-4820K comes in at an unclear MSRP at $332 MSRP versus unclear MSRP, and it still gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.6 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core i7-4820K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012), 25% larger total L3 cache (10 MB vs 8 MB), and 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 i7-4820K vs Xeon E3-1270 v2 Technical Specifications

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

Intel

Core i7-4820K

The Core i7-4820K is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-E (2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 3.9 GHz. L3 cache: 10 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 6,515 points. Launch price was $399.

Intel

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.

Processing Power

Both the Core i7-4820K and Xeon E3-1270 v2 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-4820K versus 3.9 GHz on the Xeon E3-1270 v2 — identical boost frequencies (base: 3.7 GHz vs 3.5 GHz). The Core i7-4820K uses the Ivy Bridge-E (2013) architecture (22 nm), while the Xeon E3-1270 v2 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i7-4820K scores 6,515 against the Xeon E3-1270 v2's 6,498 — a 0.3% lead for the Core i7-4820K. L3 cache: 10 MB (total) on the Core i7-4820K vs 8 MB (total) on the Xeon E3-1270 v2.

FeatureCore i7-4820KXeon E3-1270 v2
Cores / Threads
4 / 8
4 / 8
Boost Clock
3.9 GHz
3.9 GHz
Base Clock
3.7 GHz+6%
3.5 GHz
L3 Cache
10 MB (total)+25%
8 MB (total)
L2 Cache
256 kB (per core)
256 kB (per core)
Process
22 nm
22 nm
Architecture
Ivy Bridge-E (2013)
Ivy Bridge (2012−2013)
PassMark
6,515
6,498
Geekbench 6 Single
672
Geekbench 6 Multi
2,032
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Memory & Platform

The Core i7-4820K uses the LGA2011 socket (PCIe 3.0), while the Xeon E3-1270 v2 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-4820KXeon E3-1270 v2
Socket
LGA2011
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 i7-4820K) / 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.

FeatureCore i7-4820KXeon E3-1270 v2
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d, EPT
Target Use
Productivity