
Core i7-4820K

Xeon E3-1270 v2
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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
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
2013Why 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
2012Why 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?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core i7-4820K vs Xeon E3-1270 v2 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.
| Feature | Core i7-4820K | Xeon 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 |
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.
| Feature | Core i7-4820K | Xeon 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 |
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.
| Feature | Core i7-4820K | Xeon E3-1270 v2 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Productivity |
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