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

✅Better for gaming: +13.6% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (14,397 vs 14,727).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌Lower PassMark per dollar, at 37.4 vs 122.7 PassMark/$ ($385 MSRP vs $120 MSRP).
❌171.4% higher power demand at 95W vs 35W.

Core i9-10900T

2020

Why buy it

✅+2.3% higher PassMark.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Costs $265 less on MSRP ($120 MSRP vs $385 MSRP).
✅Delivers 228.2% more PassMark for each dollar spent, at 122.7 vs 37.4 PassMark/$ ($120 MSRP vs $385 MSRP).
✅Draws 35W instead of 95W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 4 shared CPU benchmark tests.

Core i7-9700K

2018

Core i9-10900T

2020

Why buy it

✅Better for gaming: +13.6% higher average FPS across 4 shared CPU benchmark tests.

Why buy it

✅+2.3% higher PassMark.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Costs $265 less on MSRP ($120 MSRP vs $385 MSRP).
✅Delivers 228.2% more PassMark for each dollar spent, at 122.7 vs 37.4 PassMark/$ ($120 MSRP vs $385 MSRP).
✅Draws 35W instead of 95W, a 60W reduction.

Trade-offs

❌Lower PassMark (14,397 vs 14,727).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌Lower PassMark per dollar, at 37.4 vs 122.7 PassMark/$ ($385 MSRP vs $120 MSRP).
❌171.4% higher power demand at 95W vs 35W.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-9700K across 4 shared CPU benchmark tests.

Quick Answers

So, is Core i9-10900T better than Core i7-9700K?

It depends on what matters more to you. For gaming, Core i7-9700K is ahead with a 13.6% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-10900T pulls ahead with 2.3% better PassMark. Core i9-10900T also has the bigger cache pool with 66.7% larger total L3 cache (20 MB vs 12 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-10900T is the better fit. You are getting 2.3% 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 i9-10900T is the smarter buy today. Core i9-10900T is $265 cheaper on MSRP at $120 MSRP versus $385 MSRP, and it gives you 2.3% better PassMark. The trade-off is that Core i7-9700K is still the better pure gaming CPU with a 13.6% average FPS lead across 4 shared CPU game tests in our data. It is also 228.2% better value on MSRP (122.7 vs 37.4 PassMark/$), 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 i9-10900T 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.

Core i7-9700K Benchmark Check

Core i9-10900T Benchmark Check

Path of Exile 2

Preset	Core i7-9700K	Core i9-10900T
1080p
low	308 FPS	183 FPS
medium	278 FPS	149 FPS
high	231 FPS	122 FPS
ultra	182 FPS	100 FPS
1440p
low	270 FPS	149 FPS
medium	221 FPS	118 FPS
high	178 FPS	96 FPS
ultra	143 FPS	80 FPS
4K
low	170 FPS	83 FPS
medium	140 FPS	72 FPS
high	108 FPS	58 FPS
ultra	95 FPS	45 FPS

Open Core i7-9700K Open Core i9-10900T

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-9700K	Core i9-10900T
1080p
low	360 FPS	287 FPS
medium	321 FPS	242 FPS
high	291 FPS	207 FPS
ultra	259 FPS	186 FPS
1440p
low	324 FPS	247 FPS
medium	282 FPS	215 FPS
high	258 FPS	185 FPS
ultra	225 FPS	159 FPS
4K
low	249 FPS	153 FPS
medium	221 FPS	133 FPS
high	208 FPS	126 FPS
ultra	179 FPS	110 FPS

Open Core i7-9700K Open Core i9-10900T

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-9700K	Core i9-10900T
1080p
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	368 FPS
ultra	360 FPS	368 FPS
1440p
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	368 FPS
ultra	360 FPS	368 FPS
4K
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	340 FPS
ultra	318 FPS	274 FPS

Open Core i7-9700K Open Core i9-10900T

League of Legends

League of Legends

Valorant

Preset	Core i7-9700K	Core i9-10900T
1080p
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	368 FPS
ultra	360 FPS	368 FPS
1440p
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	368 FPS
ultra	360 FPS	368 FPS
4K
low	360 FPS	368 FPS
medium	360 FPS	368 FPS
high	360 FPS	368 FPS
ultra	360 FPS	368 FPS

Open Core i7-9700K Open Core i9-10900T

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-9700K and Core i9-10900T

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.

Core i9-10900T

The Core i9-10900T is manufactured by Intel. It was released in 1 April 2020 (5 years ago). It features 10 cores and 20 threads. Base frequency is 1.9 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2933. Passmark benchmark score: 14,727 points. Launch price was $149.

⚡

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-10900T offers 10 cores / 20 threads — the Core i9-10900T has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.6 GHz on the Core i9-10900T — a 6.3% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 1.9 GHz). The Core i7-9700K is built on the Coffee Lake-R (2018−2019) architecture. In PassMark, the Core i7-9700K scores 14,397 against the Core i9-10900T's 14,727 — a 2.3% lead for the Core i9-10900T. L3 cache: 12 MB (total) on the Core i7-9700K vs 20 MB Intel® Smart Cache on the Core i9-10900T.

Feature	Core i7-9700K	Core i9-10900T
Cores / Threads	8 / 8	10 / 20+25%
Boost Clock	4.9 GHz+7%	4.6 GHz
Base Clock	3.6 GHz+89%	1.9 GHz
L3 Cache	12 MB (total)	20 MB Intel® Smart Cache+67%
L2 Cache	256K (per core)	—
Process	14 nm	14 nm
Architecture	Coffee Lake-R (2018−2019)	—
PassMark	14,397	14,727+2%
Geekbench 6 Single	—	1,710
Geekbench 6 Multi	—	7,476

🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-10900T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-2666 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: Intel 300 series (Core i7-9700K) and Z490,H470,B460,H410,Z590,B560,H510 (Core i9-10900T).

Feature	Core i7-9700K	Core i9-10900T
Socket	LGA1151	LGA1200
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2666	DDR4-2933
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i7-9700K) vs Yes (Core i9-10900T). Both include integrated graphics — UHD Graphics 630 (Core i7-9700K) and Intel UHD Graphics 630 (Core i9-10900T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

Feature	Core i7-9700K	Core i9-10900T
Integrated GPU	Yes	Yes
IGPU Model	UHD Graphics 630	Intel UHD Graphics 630
Unlocked	Yes	—
AVX-512	No	No
Virtualization	VT-x, VT-d	Yes
Target Use	Desktop	—

💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the Core i9-10900T debuted at $120. On MSRP ($385 vs $120), the Core i9-10900T is $265 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 122.7 pts/$ for the Core i9-10900T — making the Core i9-10900T the 106.6% better value option.