Core i7-9700K vs Core i9-10850K

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Popular choices:

VS
Intel

Core i9-10850K

10 Cores20 Thrd125 WWMax: 5.1 GHz2020

Popular choices:

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-9700K

2018

Why buy it

  • Costs $68 less on MSRP ($385 MSRP vs $453 MSRP).
  • Draws 95W instead of 125W, a 30W reduction.
  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with UHD Graphics 630, while Core i9-10850K needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Core i9-10850K across 24 shared CPU benchmark tests.
  • Lower PassMark (14,397 vs 21,964).
  • Smaller total L3 cache (12 MB vs 20 MB).
  • Lower PassMark per dollar, at 37.4 vs 48.5 PassMark/$ ($385 MSRP vs $453 MSRP).

Core i9-10850K

2020

Why buy it

  • Better for gaming: +7.2% higher average FPS across 24 shared CPU benchmark tests.
  • +66.7% larger total L3 cache (20 MB vs 12 MB).
  • Delivers 29.7% more PassMark for each dollar spent, at 48.5 vs 37.4 PassMark/$ ($453 MSRP vs $385 MSRP).

Trade-offs

  • 17.7% HIGHER MSRP
    $453 MSRPvs$385 MSRP
  • 31.6% higher power demand at 125W vs 95W.
  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-10850K better than Core i7-9700K?
Yes. Core i9-10850K is the better overall CPU here. You are getting a 7.2% average FPS lead across 24 shared CPU game tests in our data, 52.6% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Core i9-10850K is the better pick here. According to our tests, it delivers 7.2% more average FPS across 24 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-10850K is the better fit. You are getting 52.6% better PassMark, backed by 10 cores and 20 threads. It also carries the larger cache pool with 66.7% larger total L3 cache (20 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Core i9-10850K is the smarter buy today. Core i9-10850K is 17.7% more expensive on MSRP at $453 MSRP versus $385 MSRP, and it gives you a 7.2% average FPS lead across 24 shared CPU game tests in our data. It is also 29.7% better value on MSRP (48.5 vs 37.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core i9-10850K is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2018), 66.7% larger total L3 cache (20 MB vs 12 MB), and more multi-core headroom with 10 cores / 20 threads instead of 8/8. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i7-9700KCore i9-10850K
1080p
low308 FPS271 FPS
medium278 FPS249 FPS
high231 FPS208 FPS
ultra182 FPS179 FPS
1440p
low270 FPS231 FPS
medium221 FPS192 FPS
high178 FPS157 FPS
ultra143 FPS137 FPS
4K
low170 FPS160 FPS
medium140 FPS133 FPS
high108 FPS103 FPS
ultra95 FPS91 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-9700KCore i9-10850K
1080p
low360 FPS549 FPS
medium321 FPS537 FPS
high291 FPS456 FPS
ultra259 FPS416 FPS
1440p
low324 FPS549 FPS
medium282 FPS481 FPS
high258 FPS409 FPS
ultra225 FPS356 FPS
4K
low249 FPS321 FPS
medium221 FPS285 FPS
high208 FPS272 FPS
ultra179 FPS237 FPS
League of Legends

League of Legends

PresetCore i7-9700KCore i9-10850K
1080p
low360 FPS549 FPS
medium360 FPS549 FPS
high360 FPS523 FPS
ultra360 FPS427 FPS
1440p
low360 FPS549 FPS
medium360 FPS549 FPS
high360 FPS469 FPS
ultra360 FPS388 FPS
4K
low360 FPS476 FPS
medium360 FPS409 FPS
high360 FPS365 FPS
ultra318 FPS300 FPS
Valorant

Valorant

PresetCore i7-9700KCore i9-10850K
1080p
low360 FPS549 FPS
medium360 FPS549 FPS
high360 FPS549 FPS
ultra360 FPS549 FPS
1440p
low360 FPS549 FPS
medium360 FPS549 FPS
high360 FPS549 FPS
ultra360 FPS543 FPS
4K
low360 FPS538 FPS
medium360 FPS490 FPS
high360 FPS439 FPS
ultra360 FPS385 FPS

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-10850K

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 (2018−2019) 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.

Intel

Core i9-10850K

The Core i9-10850K is manufactured by Intel. It was released in 27 July 2020 (5 years ago). It is based on the Comet Lake-S (2020) architecture. It features 10 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5.1 GHz. L3 cache: 20 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2933. Passmark benchmark score: 21,964 points. Launch price was $453.

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-10850K offers 10 cores / 20 threads — the Core i9-10850K has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5.1 GHz on the Core i9-10850K — a 4% clock advantage for the Core i9-10850K (base: 3.6 GHz vs 3.6 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-10850K uses Comet Lake-S (2020) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-10850K's 21,964 — a 41.6% lead for the Core i9-10850K. L3 cache: 12 MB (total) on the Core i7-9700K vs 20 MB (total) on the Core i9-10850K.

FeatureCore i7-9700KCore i9-10850K
Cores / Threads
8 / 8
10 / 20+25%
Boost Clock
4.9 GHz
5.1 GHz+4%
Base Clock
3.6 GHz
3.6 GHz
L3 Cache
12 MB (total)
20 MB (total)+67%
L2 Cache
256K (per core)
256K (per core)
Process
14 nm
14 nm
Architecture
Coffee Lake-R (2018−2019)
Comet Lake-S (2020)
PassMark
14,397
21,964+53%
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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-10850K uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureCore i7-9700KCore i9-10850K
Socket
LGA1151
LGA1200
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-2666
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Core i9-10850K). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core i9-10850K requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i7-9700KCore i9-10850K
Integrated GPU
Yes
IGPU Model
UHD Graphics 630
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Desktop
💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-10850K debuted at $453. On MSRP ($385 vs $453), the Core i7-9700K is $68 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 48.5 pts/$ for the Core i9-10850K — making the Core i9-10850K the 25.8% better value option.

FeatureCore i7-9700KCore i9-10850K
MSRP
$385-15%
$453
Performance per Dollar
37.4
48.5+30%
Release Date
2018
2020