Core i7-6700K vs Xeon Gold 5122

Intel

Core i7-6700K

4 Cores8 Thrd91 WWMax: 4.2 GHz2015
Similar parts
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VS
Intel

Xeon Gold 5122

4 Cores8 Thrd105 WWMax: 3.7 GHz2017
Similar parts
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Core i7-6700K vs Xeon Gold 5122 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 i7-6700K vs Xeon Gold 5122 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 i7-6700K vs Xeon Gold 5122: Pros, Cons & Final Verdict

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

Core i7-6700K

2015

Why buy it

  • Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 91W instead of 105W, a 14W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with HD Graphics 530, while Xeon Gold 5122 needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (8 MB vs 17 MB).
  • Launch MSRP is still $350 MSRP, while Xeon Gold 5122 mostly shows up through inconsistent older-market listings.

Xeon Gold 5122

2017

Why buy it

  • +106.3% larger total L3 cache (17 MB vs 8 MB).

Trade-offs

  • Worse for gaming: lower average FPS than Core i7-6700K across 50 shared CPU benchmark tests.
  • Lower PassMark (8,867 vs 8,933).
  • 15.4% higher power demand at 105W vs 91W.
  • No integrated graphics, while Core i7-6700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-6700K better than Xeon Gold 5122?
Not really, because they are built for different jobs. Xeon Gold 5122 makes more sense for workstation-style multi-core throughput, while Core i7-6700K is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Core i7-6700K is the better pick. According to our tests, it delivers 3.5% 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, Core i7-6700K is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-6700K is the better buy right now. Core i7-6700K comes in at an unclear MSRP at $350 MSRP versus unclear MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (25.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 5122 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2015) and 106.3% larger total L3 cache (17 MB vs 8 MB). That makes it the safer long-term bet.

Core i7-6700K vs Xeon Gold 5122 Technical Specifications

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

Intel

Core i7-6700K

The Core i7-6700K is manufactured by Intel. It was released in 5 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 4 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,933 points. Launch price was $339.

Intel

Xeon Gold 5122

The Xeon Gold 5122 is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.7 GHz. L3 cache: 16.5 MB. L2 cache: 4 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2666. Passmark benchmark score: 8,867 points. Launch price was $1,221.

Processing Power

Both the Core i7-6700K and Xeon Gold 5122 share an identical 4-core/8-thread configuration. Boost clocks reach 4.2 GHz on the Core i7-6700K versus 3.7 GHz on the Xeon Gold 5122 — a 12.7% clock advantage for the Core i7-6700K (base: 4 GHz vs 3.6 GHz). The Core i7-6700K uses the Skylake (2015−2016) architecture (14 nm), while the Xeon Gold 5122 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-6700K scores 8,933 against the Xeon Gold 5122's 8,867 — a 0.7% lead for the Core i7-6700K. L3 cache: 8 MB (total) on the Core i7-6700K vs 16.5 MB on the Xeon Gold 5122.

FeatureCore i7-6700KXeon Gold 5122
Cores / Threads
4 / 8
4 / 8
Boost Clock
4.2 GHz+14%
3.7 GHz
Base Clock
4 GHz+11%
3.6 GHz
L3 Cache
8 MB (total)
16.5 MB+106%
L2 Cache
256 kB (per core)
4 MB+1500%
Process
14 nm
14 nm
Architecture
Skylake (2015−2016)
Skylake (server) (2017−2018)
PassMark
8,933
8,867
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Memory & Platform

The Core i7-6700K uses the LGA1151 socket (PCIe 3.0), while the Xeon Gold 5122 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-6700KXeon Gold 5122
Socket
LGA1151
LGA3647
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2133
Max RAM Capacity
64 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: VT-x, VT-d (Core i7-6700K) / not specified (Xeon Gold 5122). The Core i7-6700K includes integrated graphics (HD Graphics 530), while the Xeon Gold 5122 requires a dedicated GPU. Primary use case: Core i7-6700K targets Desktop.

FeatureCore i7-6700KXeon Gold 5122
Integrated GPU
Yes
IGPU Model
HD Graphics 530
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Desktop