Core i3-N305 vs Core i7-7700K

Intel

Core i3-N305

8 Cores8 Thrd15 WWMax: 3.8 GHz2023
VS
Intel

Core i7-7700K

4 Cores8 Thrd100 WWMax: 4.5 GHz2017

Core i3-N305 vs Core i7-7700K 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-N305 vs Core i7-7700K 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-N305 vs Core i7-7700K: 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-N305

2023

Why buy it

  • βœ…Draws 15W instead of 100W, a 85W reduction.
  • βœ…Newer platform on FCBGA1264 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core i7-7700K across 50 shared CPU benchmark tests.
  • ❌Lower PassMark (9,600 vs 9,625).
  • ❌Smaller total L3 cache (6 MB vs 8 MB).
  • ❌
    1.3% HIGHER MSRP
    $309 MSRPvs$305 MSRP

Core i7-7700K

2017

Why buy it

  • βœ…Better for gaming: +20.9% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…+33.3% larger total L3 cache (8 MB vs 6 MB).
  • βœ…Costs $4 less on MSRP ($305 MSRP vs $309 MSRP).

Trade-offs

  • ❌566.7% higher power demand at 100W vs 15W.
  • ❌Older platform position on LGA1151 with DDR4, while Core i3-N305 moves to FCBGA1264 and DDR5.

Quick Answers

So, is Core i7-7700K better than Core i3-N305?
Yes. Core i7-7700K is the better all-around CPU here. It gives you a 20.9% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-7700K is the better pick. According to our tests, it delivers 20.9% 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 i7-7700K is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-7700K is the better buy right now. Core i7-7700K comes in $4 cheaper on MSRP at $305 MSRP versus $309 MSRP, and it still gives you a 20.9% average FPS lead across 50 shared CPU game tests in our data. It is also 1.6% better value on MSRP (31.6 vs 31.1 PassMark/$), 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-N305 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017) and a healthier platform with FCBGA1264 and DDR5 instead of LGA1151. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-N305 vs Core i7-7700K Technical Specifications

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

Intel

Core i3-N305

The Core i3-N305 is manufactured by Intel. It was released in 3 January 2023 (2 years ago). It is based on the Alder Lake-N (2023) architecture. It features 8 cores and 8 threads. Base frequency is 0.1 GHz, with boost up to 3.8 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on Intel 7 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,600 points. Launch price was $309.

Intel

Core i7-7700K

The Core i7-7700K is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016βˆ’2019) architecture. It features 4 cores and 8 threads. Base frequency is 4.2 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 91 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 9,625 points. Launch price was $339.

⚑

Processing Power

The Core i3-N305 packs 8 cores / 8 threads, while the Core i7-7700K offers 4 cores / 8 threads β€” the Core i3-N305 has 4 more cores. Boost clocks reach 3.8 GHz on the Core i3-N305 versus 4.5 GHz on the Core i7-7700K β€” a 16.9% clock advantage for the Core i7-7700K (base: 0.1 GHz vs 4.2 GHz). The Core i3-N305 uses the Alder Lake-N (2023) architecture (Intel 7 nm), while the Core i7-7700K uses Kaby Lake (2016βˆ’2019) (14 nm). In PassMark, the Core i3-N305 scores 9,600 against the Core i7-7700K's 9,625 β€” a 0.3% lead for the Core i7-7700K. L3 cache: 6 MB (total) on the Core i3-N305 vs 8 MB (total) on the Core i7-7700K.

FeatureCore i3-N305Core i7-7700K
Cores / Threads
8 / 8+100%
4 / 8
Boost Clock
3.8 GHz
4.5 GHz+18%
Base Clock
0.1 GHz
4.2 GHz+4100%
L3 Cache
6 MB (total)
8 MB (total)+33%
L2 Cache
2 MB (per module)
256K (per core)+12700%
Process
Intel 7 nm-50%
14 nm
Architecture
Alder Lake-N (2023)
Kaby Lake (2016βˆ’2019)
PassMark
9,600
9,625
🧠

Memory & Platform

The Core i3-N305 uses the FCBGA1264 socket (PCIe 5.0), while the Core i7-7700K uses LGA1151 (PCIe 3.0) β€” making them incompatible on the same motherboard.

FeatureCore i3-N305Core i7-7700K
Socket
FCBGA1264
LGA1151
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
πŸ’°

Value Analysis

At launch, the Core i3-N305 was priced at $309, while the Core i7-7700K came in at $305. On launch pricing ($309 vs $305), Core i7-7700K was $4 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-N305 delivers 31.1 pts/$ vs 31.6 pts/$ for the Core i7-7700K β€” making the Core i7-7700K the 1.6% better value option.

FeatureCore i3-N305Core i7-7700K
MSRP
$309
$305-1%
Performance per Dollar
31.1
31.6+2%
Release Date
2023
2017

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