Core i3-1315UE vs Core i7-6700K

Intel

Core i3-1315UE

6 Cores8 Thrd15 WWMax: 4.5 GHz2023
Similar parts
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VS
Intel

Core i7-6700K

4 Cores8 Thrd91 WWMax: 4.2 GHz2015
Similar parts
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Core i3-1315UE vs Core i7-6700K 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 i3-1315UE vs Core i7-6700K 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 i3-1315UE vs Core i7-6700K: Pros, Cons & Final Verdict

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

Core i3-1315UE

2023

Why buy it

  • +25% larger total L3 cache (10 MB vs 8 MB).
  • Costs $38 less on MSRP ($312 MSRP vs $350 MSRP).
  • Delivers 13.1% more PassMark for each dollar spent, at 28.9 vs 25.5 PassMark/$ ($312 MSRP vs $350 MSRP).
  • Draws 15W instead of 91W, a 76W reduction.
  • Newer platform on FCBGA1744 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

  • Fewer obvious downsides in this matchup outside of normal market pricing swings.

Core i7-6700K

2015

Why buy it

    Trade-offs

    • Lower PassMark (8,933 vs 9,003).
    • Smaller total L3 cache (8 MB vs 10 MB).
    • Lower PassMark per dollar, at 25.5 vs 28.9 PassMark/$ ($350 MSRP vs $312 MSRP).
    • 506.7% higher power demand at 91W vs 15W.
    • Older platform position on LGA1151 with DDR4, while Core i3-1315UE moves to FCBGA1744 and DDR5.

    Quick Answers

    So, is Core i3-1315UE better than Core i7-6700K?
    Yes. Core i3-1315UE is the better all-around CPU here. It gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data, 0.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Core i3-1315UE is the better pick. According to our tests, it delivers 0.9% 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 i3-1315UE is the stronger fit. You are getting 0.8% better PassMark, backed by 6 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 i3-1315UE is the better buy right now. Core i3-1315UE comes in $38 cheaper on MSRP at $312 MSRP versus $350 MSRP, and it still gives you a 0.9% average FPS lead across 50 shared CPU game tests in our data. It is also 13.1% better value on MSRP (28.9 vs 25.5 PassMark/$), 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 i3-1315UE makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2015), a healthier platform with FCBGA1744 and DDR5 instead of LGA1151, 25% larger total L3 cache (10 MB vs 8 MB), and more multi-core headroom with 6 cores / 8 threads instead of 4/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

    Core i3-1315UE vs Core i7-6700K Technical Specifications

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

    Intel

    Core i3-1315UE

    The Core i3-1315UE is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 6 cores and 8 threads. Base frequency is 1.2 GHz, with boost up to 4.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 9,003 points. Launch price was $149.

    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.

    Processing Power

    The Core i3-1315UE packs 6 cores / 8 threads, while the Core i7-6700K offers 4 cores / 8 threads — the Core i3-1315UE has 2 more cores. Boost clocks reach 4.5 GHz on the Core i3-1315UE versus 4.2 GHz on the Core i7-6700K — a 6.9% clock advantage for the Core i3-1315UE (base: 1.2 GHz vs 4 GHz). The Core i3-1315UE uses the Raptor Lake-U (2023) architecture (10 nm), while the Core i7-6700K uses Skylake (2015−2016) (14 nm). In PassMark, the Core i3-1315UE scores 9,003 against the Core i7-6700K's 8,933 — a 0.8% lead for the Core i3-1315UE. L3 cache: 10 MB (total) on the Core i3-1315UE vs 8 MB (total) on the Core i7-6700K.

    FeatureCore i3-1315UECore i7-6700K
    Cores / Threads
    6 / 8+50%
    4 / 8
    Boost Clock
    4.5 GHz+7%
    4.2 GHz
    Base Clock
    1.2 GHz
    4 GHz+233%
    L3 Cache
    10 MB (total)+25%
    8 MB (total)
    L2 Cache
    1.25 MB (per core)+400%
    256 kB (per core)
    Process
    10 nm-29%
    14 nm
    Architecture
    Raptor Lake-U (2023)
    Skylake (2015−2016)
    PassMark
    9,003
    8,933
    Geekbench 6 Single
    2,000
    Geekbench 6 Multi
    2,100
    🧠

    Memory & Platform

    The Core i3-1315UE uses the FCBGA1744 socket (PCIe 5.0), while the Core i7-6700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Core i3-1315UE versus DDR4-2133 on the Core i7-6700K — the Core i3-1315UE supports 143.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i3-1315UE supports up to 96 GB of RAM compared to 64 GB 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i3-1315UE) vs 16 (Core i7-6700K) — the Core i3-1315UE offers 4 more lanes for additional GPUs or NVMe drives.

    FeatureCore i3-1315UECore i7-6700K
    Socket
    FCBGA1744
    LGA1151
    PCIe Generation
    PCIe 5.0+67%
    PCIe 3.0
    Max RAM Speed
    DDR5-5200+144%
    DDR4-2133
    Max RAM Capacity
    96 GB+50%
    64 GB
    RAM Channels
    2
    2
    ECC Support
    No
    No
    PCIe Lanes
    20+25%
    16
    🔧

    Advanced Features

    Only the Core i7-6700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. Both include integrated graphics Intel UHD Graphics (Core i3-1315UE) and HD Graphics 530 (Core i7-6700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-1315UE targets Mainstream Laptop, Core i7-6700K targets Desktop.

    FeatureCore i3-1315UECore i7-6700K
    Integrated GPU
    Yes
    Yes
    IGPU Model
    Intel UHD Graphics
    HD Graphics 530
    Unlocked
    No
    Yes
    AVX-512
    No
    No
    Virtualization
    VT-x, VT-d
    VT-x, VT-d
    Target Use
    Mainstream Laptop
    Desktop
    💰

    Value Analysis

    At launch, the Core i3-1315UE was priced at $312, while the Core i7-6700K came in at $350. On launch pricing ($312 vs $350), Core i3-1315UE was $38 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-1315UE delivers 28.9 pts/$ vs 25.5 pts/$ for the Core i7-6700K — making the Core i3-1315UE the 12.3% better value option.

    FeatureCore i3-1315UECore i7-6700K
    MSRP
    $312-11%
    $350
    Performance per Dollar
    28.9+13%
    25.5
    Release Date
    2023
    2015

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