CPU Comparison

Intel Core i7-6800K vs Intel Core i7-6950X

A side-by-side comparison of specs, performance and value. The Intel Core i7-6800K is a six-core, 12-thread HEDT processor on the X99 platform, offering quad-channel DDR4, 28 PCIe 3.0 lanes, and Turbo Boost Max 3.0 for creators and enthusiasts who need more I/O than mainstream desktops.

Top pick
Intel · Core X-Series
Intel Core i7-6800K
6C / 12T3.6 GHz140 W
8
Full review
Intel · Core X-Series
Intel Core i7-6950X
10C / 20T3.5 GHz140 W
7.5
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
High-End Desktop
High-End Desktop (HEDT)
Generation
6th Gen HEDT (Broadwell-E)
6th Generation Core X-Series (Broadwell-E)
Launched
2016
2016
Status
Discontinued
Discontinued
Codename
Broadwell-E
Broadwell-E
Series
Core X-Series
Core X-Series
Family
Broadwell-E
Broadwell-E
Predecessor
Intel Core i7-5820K
Intel Core i7-5960X
Successor
Intel Core i7-7820X
Intel Core i9-7900X (Skylake-X)

Specifications Compared

Cores & Clocks
Cores
6
10
Threads
12
20
Base Clock
3.4 GHz
3 GHz
Boost Clock
3.6 GHz
3.5 GHz
Cache & Power
L3 Cache
15 MB
25 MB
TDP
140 W
140 W
Architecture
Architecture
Broadwell-E
Broadwell-E
Process Node
14 nm
14 nm
Memory
Memory Type
DDR4
DDR4
Memory Speed
DDR4-2400/2133
DDR4-2400/2133
Memory Channels
Quad (4)
Quad (4)
Max Memory
128 GB
128 GB
Platform & I/O
Socket
LGA2011-v3
LGA2011-v3
PCIe Version
3.0
3.0
PCIe Lanes
28
40
Integrated GPU
None
None
Unlocked
Yes
Yes

Performance Compared

Productivity

Intel Core i7-6800KBest85
Intel Core i7-6950X82

Gaming

Intel Core i7-6800KBest78
Intel Core i7-6950X70

Virtualization

Intel Core i7-6800KBest86
Intel Core i7-6950X85

Efficiency

Intel Core i7-6800KBest60
Intel Core i7-6950X55

Specialized Performance

AI / ML

Intel Core i7-6800KBasic
  • No dedicated NPUs or matrix accelerators
  • Suitable for CPU-bound inference workloads only
  • AVX2 support helps in some compute-heavy tasks
Intel Core i7-6950XLimited
  • Lacks dedicated AI accelerators; AI workloads rely on CPU and any discrete GPU.

Content Creation

Intel Core i7-6800KVery Good
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DAfter Effects7-Zip / HandBrake
Intel Core i7-6950XVery Good
Adobe Premiere ProDaVinci ResolveBlenderCinema 4DAfter Effects

Gaming

Intel Core i7-6800KGood
  • Handles high-refresh gaming with a capable GPU
  • Turbo Boost Max 3.0 can aid lightly threaded titles
  • Modern CPUs typically deliver higher gaming efficiency
Intel Core i7-6950XGood
  • Adequate for high-refresh gaming with a strong GPU in many titles
  • Gains more from GPU upgrades than CPU upgrades in typical game workloads
  • Newer gaming-focused CPUs offer better frame pacing and lower latency

Industry Impact

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

Best CPU by Use Case

4K Video Editing
Very Good
Very Good
3D Rendering
Very Good
Very Good
Virtual Machines
Very Good
Excellent
Software Development
Good
Gaming
Good
Good
Software Compilation
Very Good

Target Audience

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

Strengths & Weaknesses

Intel Core i7-6800K

Pros

  • Six cores and 12 threads remain viable for productivity
  • Quad-channel DDR4 provides strong memory bandwidth
  • 28 PCIe 3.0 lanes enable multi-GPU and NVMe flexibility
  • Unlocked multiplier for overclocking enthusiasts
  • Turbo Boost Max 3.0 improves lightly threaded performance

Cons

  • 140 W TDP is high by modern standards
  • No integrated graphics requires a discrete GPU
  • X99 platform is legacy with limited future CPU options
  • PCIe lane count lower than 40-lane Broadwell-E SKUs
  • Launch price higher than newer, more efficient options
Intel Core i7-6950X

Pros

  • 10 cores and 20 threads
  • 40 PCIe 3.0 lanes for flexible expansion
  • Quad-channel DDR4 memory support
  • Fully unlocked multiplier for overclocking
  • Turbo Boost Max 3.0 for improved single-thread performance
  • Strong virtualization support (VT-x, VT-d)
  • Mature X99 platform with many motherboard options

Cons

  • High launch price and poor value versus newer options
  • No integrated graphics (requires discrete GPU)
  • High power consumption at 140W TDP
  • Older platform with no upgrade path beyond Broadwell-E
  • Discontinued with limited availability and no warranty

Competitors & Alternatives

Intel Core i7-6800K

  • AMD Ryzen 5 1600X

    Mainstream Desktop

    Rival
  • AMD Ryzen 7 1700

    Creator

    Rival
  • AMD Ryzen 7 1800X

    Enthusiast

    Rival
  • Intel Core i7-6700K

    Mainstream Gaming

    Rival
  • Intel Core i7-5820K

    Previous-Gen HEDT

    Rival
    Compare head-to-head
  • Intel Core i7-7820X
    Alt

    More cores and higher PCIe lane count on the newer X299 platform.

  • AMD Ryzen 7 5800X
    Alt

    Much higher single-thread performance and efficiency on AM4.

  • AMD Ryzen 9 5900X
    Alt

    12 cores and 24 threads with strong performance per watt.

  • Intel Core i7-14700K
    Alt

    Modern DDR5 platform with more cores and features for new builds.

  • AMD Ryzen 9 7950X
    Alt

    Cutting-edge multi-threaded performance and PCIe 5.0 support.

Intel Core i7-6950X

  • AMD Ryzen Threadripper 1950X

    Workstation

    Rival
  • AMD Ryzen 9 3950X

    Creator

    Rival
  • Intel Core i9-7900X

    HEDT

    Rival
  • Compare head-to-head
  • AMD Ryzen Threadripper 2950X

    Workstation

    Rival
  • Intel Core i7-14700K
    Alt

    Much higher performance and efficiency on a modern platform.

  • AMD Ryzen 9 7950X
    Alt

    More cores, far better efficiency, and DDR5 support.

  • AMD Ryzen 9 5900X
    Alt

    Strong multi-threaded performance and lower power than older HEDT options.

  • Intel Core i7-13700K
    Alt

    Balanced performance for mixed gaming and productivity workloads.

  • Mainstream platform with good core count and no HEDT complexity.

    Compare head-to-head

Our Verdict on Each

A capable entry point into X99 HEDT with solid multi-threading and PCIe headroom, now best suited to budget used builds or specialized workloads rather than new gaming rigs.

Best for: Budget-conscious used HEDT build for multi-threaded workloads

Read the full review

A multi-threaded powerhouse for its time, the i7-6950X brought 10 cores to desktop HEDT but commanded a steep price and has since been eclipsed in performance and efficiency by newer platforms.

Best for: Used-market X99 upgrade for creators on a tight budget

Read the full review

Frequently Asked Questions

Which is better, Intel Core i7-6800K or Intel Core i7-6950X?

Based on our editorial ratings, the Intel Core i7-6800K comes out ahead with a score of 8/10. 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 i7-6800K or Intel Core i7-6950X?

For gaming, the Intel Core i7-6800K leads with a gaming performance score of 78/100 among Intel Core i7-6800K and Intel Core i7-6950X.

Do Intel Core i7-6800K and Intel Core i7-6950X use the same socket?

Yes — all of these CPUs use the LGA2011-v3 socket, so they share compatible motherboards.

Which has more cores?

The Intel Core i7-6950X has the most cores. Core counts: Intel Core i7-6800K (6 cores), Intel Core i7-6950X (10 cores).