CPU Comparison

Intel Core i7-14700K vs Intel Core i7-6900K

A side-by-side comparison of specs, performance and value. The Intel Core i7-14700K is a 20-core desktop processor designed for high-performance gaming and heavy productivity workloads.

Top pick
Intel · Core i7
Intel Core i7-14700K
20C / 28T5.6 GHz125 W
9.2
Full review
Intel · Core i7
Intel Core i7-6900K
8C / 16T3.7 GHz140 W
7
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
High-End Desktop
Segment
Desktop Enthusiast
Generation
14th Gen (Raptor Lake Refresh)
6th Generation Core X (Broadwell-E)
Launched
2023
2016
Status
Active
Discontinued
Codename
Raptor Lake-R
Broadwell-E
Series
Core i7
Core i7
Family
Raptor Lake Refresh
Broadwell-E (Core i7)
Predecessor
Intel Core i7-13700K
Intel Core i7-5930K
Successor
TBD (Arrow Lake)
Intel Core i7-7820X

Specifications Compared

Cores & Clocks
Cores
20
8
Threads
28
16
Base Clock
3.4 GHz
3.2 GHz
Boost Clock
5.6 GHz
3.7 GHz
Cache & Power
L3 Cache
33 MB
20 MB
TDP
125 W
140 W
Architecture
Architecture
Raptor Lake-R
Broadwell-E
Process Node
10nm (Intel 7)
14nm
Memory
Memory Type
DDR4, DDR5
DDR4
Memory Speed
DDR5-5600, DDR4-3200
DDR4-2400/2133
Memory Channels
Dual (2)
Quad (4)
Max Memory
192 GB
128 GB
Platform & I/O
Socket
LGA 1700
LGA2011-v3
PCIe Version
PCIe 5.0
3.0
PCIe Lanes
16
40
Integrated GPU
Yes
None
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i7-14700KBest92

The 12 E-cores provide massive throughput for rendering and compilation.

Intel Core i7-6900K84

Handles multi-threaded creator workloads well, though modern CPUs with higher IPC and efficiency outpace it.

Gaming

Intel Core i7-14700KBest95

Delivers top-tier framerates, competing directly with flagship CPUs.

Intel Core i7-6900K76

Capable for 1080p and 1440p gaming with a strong GPU, but newer mainstream CPUs offer higher frame rates and better responsiveness.

Virtualization

Intel Core i7-14700KBest90

Excellent for running multiple VMs and containers.

Intel Core i7-6900K88

Excellent for running multiple VMs thanks to 8 cores, 16 threads, and quad-channel memory.

Efficiency

Intel Core i7-14700KBest70

Power draw can spike significantly under full multi-core load.

Intel Core i7-6900K58

High 140 W TDP results in higher power draw and heat versus newer generations.

Specialized Performance

AI / ML

Intel Core i7-14700KGood
  • CPU-based AI inference is strong due to 28 threads.
  • No dedicated NPU like mobile platforms.
  • Integrated graphics can assist in basic VPU workloads.
Intel Core i7-6900KLimited
  • No dedicated AI acceleration hardware; relies on CPU-based vector instructions and AVX2.
  • Suitable for lightweight inference and batch tasks; deep learning training is better served by GPUs.

Content Creation

Intel Core i7-14700KExcellent
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DUnreal Engine
Intel Core i7-6900KVery Good
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DAfter Effects

Gaming

Intel Core i7-14700KExcellent
  • High single-core boost ensures max FPS in CPU-bound titles.
  • Large cache size benefits modern AAA games.
  • Requires a high-end GPU to avoid bottlenecks at 1080p.
Intel Core i7-6900KGood
  • Quad-channel memory and high core count do not significantly improve gaming framerates over dual-channel mainstream parts.
  • Turbo Boost Max 3.0 provides slightly better single-core performance on lightly-threaded titles.
  • PCIe 3.0 lanes are sufficient for current GPUs, but platform age limits upgrade options.

Industry Impact

Gaming
High
Moderate
Workstations
High
High
Content Creation
High
High
Virtualization
Moderate
High

Best CPU by Use Case

4K Video Editing
Excellent
Very Good
3D Rendering
Excellent
Very Good
High-Refresh Gaming
Excellent
Live Streaming
Excellent
Code Compilation
Excellent
Software Compilation
Very Good
Virtualization
Very Good
Gaming
Good

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Targeted
Targeted
Streamers
Targeted
Targeted
Office / Productivity
Students

Strengths & Weaknesses

Intel Core i7-14700K

Pros

  • 20 cores and 28 threads offer incredible multi-core value.
  • Up to 5.6 GHz clock speed for excellent gaming performance.
  • Supports both DDR4 and DDR5 for flexible upgrade paths.
  • Unlocked for enthusiast overclocking.
  • Integrated graphics provide troubleshooting and Quick Sync support.

Cons

  • High power consumption under full load (up to 253W).
  • Requires a high-end cooler (360mm AIO recommended).
  • Minimal IPC improvement over 13th gen.
  • Runs very hot during sustained multi-core workloads.
Intel Core i7-6900K

Pros

  • 8 cores and 16 threads
  • 40 PCIe 3.0 lanes
  • Quad-channel DDR4 memory
  • Unlocked for overclocking
  • Turbo Boost Max 3.0 support
  • Strong multi-threaded performance for its era

Cons

  • High 140 W TDP
  • No integrated graphics
  • X99 platform is end-of-life
  • PCIe 3.0 only
  • Outperformed by newer CPUs in efficiency and per-core performance

Competitors & Alternatives

Intel Core i7-14700K

Intel Core i7-6900K

Our Verdict on Each

An exceptional desktop CPU that blurs the line between i7 and i9, offering tremendous multi-core value and top-tier gaming clocks.

Best for: Users wanting a single system for high-refresh gaming and heavy productivity.

Read the full review

An enthusiast-grade HEDT chip that still delivers strong multi-core performance and massive I/O bandwidth, but its age, high power draw, and platform EOL make it a niche choice today.

Best for: Upgrading an existing X99 system with an affordable used 8-core CPU

Read the full review

Frequently Asked Questions

Which is better, Intel Core i7-14700K or Intel Core i7-6900K?

Based on our editorial ratings, the Intel Core i7-14700K comes out ahead with a score of 9.2/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core i7-14700K or Intel Core i7-6900K?

For gaming, the Intel Core i7-14700K leads with a gaming performance score of 95/100 among Intel Core i7-14700K and Intel Core i7-6900K.

Which uses less power?

The Intel Core i7-14700K has the lowest rated TDP. Power draw across these chips: Intel Core i7-14700K (125 W), Intel Core i7-6900K (140 W).

Do Intel Core i7-14700K and Intel Core i7-6900K use the same socket?

No. They use different sockets (Intel Core i7-14700K: LGA 1700, Intel Core i7-6900K: LGA2011-v3), so each needs a compatible motherboard.

Which has more cores?

The Intel Core i7-14700K has the most cores. Core counts: Intel Core i7-14700K (20 cores), Intel Core i7-6900K (8 cores).

Which is faster in multi-core benchmarks?

The Intel Core i7-14700K posts the highest multi-core benchmark score. Multi-core results: Intel Core i7-14700K (0). Benchmark figures are approximate and workload-dependent.