Core i3-9100E vs Core i7-9700K

Intel

Core i3-9100E

4 Cores4 Thrd65 WWMax: 3.7 GHz2018
VS
Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Core i3-9100E vs Core i7-9700K 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 i3-9100E vs Core i7-9700K 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 i3-9100E vs Core i7-9700K: Pros, Cons & Final Verdict

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

Core i3-9100E

2018

Why buy it

  • βœ…Costs $183 less on MSRP ($202 MSRP vs $385 MSRP).
  • βœ…Draws 65W instead of 95W, a 30W reduction.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core i7-9700K across 50 shared CPU benchmark tests.
  • ❌Lower PassMark (6,539 vs 14,397).
  • ❌Smaller total L3 cache (6 MB vs 12 MB).
  • ❌Lower PassMark per dollar, at 32.4 vs 37.4 PassMark/$ ($202 MSRP vs $385 MSRP).
  • ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Core i7-9700K

2018

Why buy it

  • βœ…Better for gaming: +114.9% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…+100% larger total L3 cache (12 MB vs 6 MB).
  • βœ…Delivers 15.5% more PassMark for each dollar spent, at 37.4 vs 32.4 PassMark/$ ($385 MSRP vs $202 MSRP).
  • βœ…100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • βœ…Integrated graphics onboard with UHD Graphics 630, while Core i3-9100E needs a discrete GPU.

Trade-offs

  • ❌
    90.6% HIGHER MSRP
    $385 MSRPvs$202 MSRP
  • ❌46.2% higher power demand at 95W vs 65W.

Quick Answers

So, is Core i7-9700K better than Core i3-9100E?
Yes. Core i7-9700K is the better all-around CPU here. It gives you a 114.9% average FPS lead across 50 shared CPU game tests in our data, 120.2% 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 i7-9700K is the better pick. According to our tests, it delivers 114.9% 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 i7-9700K is the stronger fit. You are getting 120.2% better PassMark, backed by 8 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-9700K is the better buy right now. Core i7-9700K comes in 90.6% more expensive on MSRP at $385 MSRP versus $202 MSRP, and it still gives you a 114.9% average FPS lead across 50 shared CPU game tests in our data. It is also 15.5% better value on MSRP (37.4 vs 32.4 PassMark/$), 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 i7-9700K makes more sense long term for 2026 and beyond. You are getting 100% larger total L3 cache (12 MB vs 6 MB) and more multi-core headroom with 8 cores / 8 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i3-9100E vs Core i7-9700K Technical Specifications

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

Intel

Core i3-9100E

The Core i3-9100E is manufactured by Intel. It was released in 1 September 2018 (7 years ago). It is based on the Coffee Lake (2017βˆ’2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,539 points. Launch price was $149.

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018βˆ’2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

⚑

Processing Power

The Core i3-9100E packs 4 cores / 4 threads, while the Core i7-9700K offers 8 cores / 8 threads β€” the Core i7-9700K has 4 more cores. Boost clocks reach 3.7 GHz on the Core i3-9100E versus 4.9 GHz on the Core i7-9700K β€” a 27.9% clock advantage for the Core i7-9700K (base: 3.1 GHz vs 3.6 GHz). The Core i3-9100E uses the Coffee Lake (2017βˆ’2019) architecture (14 nm), while the Core i7-9700K uses Coffee Lake-R (2018βˆ’2019) (14 nm). In PassMark, the Core i3-9100E scores 6,539 against the Core i7-9700K's 14,397 β€” a 75.1% lead for the Core i7-9700K. L3 cache: 6 MB (total) on the Core i3-9100E vs 12 MB (total) on the Core i7-9700K.

FeatureCore i3-9100ECore i7-9700K
Cores / Threads
4 / 4
8 / 8+100%
Boost Clock
3.7 GHz
4.9 GHz+32%
Base Clock
3.1 GHz
3.6 GHz+16%
L3 Cache
6 MB (total)
12 MB (total)+100%
L2 Cache
256K (per core)
256K (per core)
Process
14 nm
14 nm
Architecture
Coffee Lake (2017βˆ’2019)
Coffee Lake-R (2018βˆ’2019)
PassMark
6,539
14,397+120%
🧠

Memory & Platform

Both processors use the LGA1151 socket with PCIe 3.0.

FeatureCore i3-9100ECore i7-9700K
Socket
LGA1151
LGA1151
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
β€”
DDR4-2666
Max RAM Capacity
β€”
128 GB
RAM Channels
β€”
2
ECC Support
β€”
No
PCIe Lanes
β€”
16
πŸ”§

Advanced Features

Virtualization: not specified (Core i3-9100E) / VT-x, VT-d (Core i7-9700K). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core i3-9100E requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i3-9100ECore i7-9700K
Integrated GPU
β€”
Yes
IGPU Model
β€”
UHD Graphics 630
Unlocked
β€”
Yes
AVX-512
β€”
No
Virtualization
β€”
VT-x, VT-d
Target Use
β€”
Desktop
πŸ’°

Value Analysis

At launch, the Core i3-9100E was priced at $202, while the Core i7-9700K came in at $385. On launch pricing ($202 vs $385), Core i3-9100E was $183 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-9100E delivers 32.4 pts/$ vs 37.4 pts/$ for the Core i7-9700K β€” making the Core i7-9700K the 14.4% better value option.

FeatureCore i3-9100ECore i7-9700K
MSRP
$202-48%
$385
Performance per Dollar
32.4
37.4+15%
Release Date
2018
2018

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