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 i9-10900E

2020

Why buy it

✅+0.3% higher PassMark.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Costs $32 less on MSRP ($488 MSRP vs $520 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Core Ultra 7 266V needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 266V across 50 shared CPU benchmark tests.
❌282.4% higher power demand at 65W vs 17W.
❌Older platform position on LGA1200 with DDR4, while Core Ultra 7 266V moves to FCBGA2833 and DDR5.

Core Ultra 7 266V

2024

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 17W instead of 65W, a 48W reduction.
✅Newer platform on FCBGA2833 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Lower PassMark (19,274 vs 19,332).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌
6.6% HIGHER MSRP
$520 MSRPvs$488 MSRP
❌No integrated graphics, while Core i9-10900E can still boot and troubleshoot without a discrete GPU.

Core i9-10900E

2020

Core Ultra 7 266V

2024

Why buy it

✅+0.3% higher PassMark.
✅+66.7% larger total L3 cache (20 MB vs 12 MB).
✅Costs $32 less on MSRP ($488 MSRP vs $520 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Core Ultra 7 266V needs a discrete GPU.

Why buy it

✅Better for gaming: +7.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 17W instead of 65W, a 48W reduction.
✅Newer platform on FCBGA2833 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 266V across 50 shared CPU benchmark tests.
❌282.4% higher power demand at 65W vs 17W.
❌Older platform position on LGA1200 with DDR4, while Core Ultra 7 266V moves to FCBGA2833 and DDR5.

Trade-offs

❌Lower PassMark (19,274 vs 19,332).
❌Smaller total L3 cache (12 MB vs 20 MB).
❌
6.6% HIGHER MSRP
$520 MSRPvs$488 MSRP
❌No integrated graphics, while Core i9-10900E can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 7 266V better than Core i9-10900E?

It depends on what matters more to you. For gaming, Core Ultra 7 266V is ahead with a 7.6% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-10900E pulls ahead with 0.3% better PassMark. Core i9-10900E 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 i9-10900E is the better fit. You are getting 0.3% 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 Ultra 7 266V is still the faster CPU overall, but Core i9-10900E makes more sense if price matters more than absolute performance. Core Ultra 7 266V is 6.6% more expensive on MSRP at $520 MSRP versus $488 MSRP, and it gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Core i9-10900E is still stronger for heavier multi-core work with 0.3% better PassMark. Core i9-10900E is also 6.9% better value on MSRP (39.6 vs 37.1 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

Which one is more future-proof for 2026 and beyond?

Core Ultra 7 266V is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020) and a healthier platform with FCBGA2833 and DDR5 instead of LGA1200. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 i9-10900E Benchmark Check

Core Ultra 7 266V Benchmark Check

Path of Exile 2

Preset	Core i9-10900E	Core Ultra 7 266V
1080p
low	164 FPS	272 FPS
medium	145 FPS	243 FPS
high	118 FPS	205 FPS
ultra	99 FPS	176 FPS
1440p
low	139 FPS	230 FPS
medium	119 FPS	185 FPS
high	96 FPS	152 FPS
ultra	81 FPS	134 FPS
4K
low	76 FPS	161 FPS
medium	70 FPS	130 FPS
high	56 FPS	101 FPS
ultra	43 FPS	89 FPS

Open Core i9-10900E Open Core Ultra 7 266V

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-10900E	Core Ultra 7 266V
1080p
low	483 FPS	236 FPS
medium	420 FPS	195 FPS
high	359 FPS	176 FPS
ultra	324 FPS	155 FPS
1440p
low	419 FPS	210 FPS
medium	368 FPS	181 FPS
high	317 FPS	164 FPS
ultra	276 FPS	139 FPS
4K
low	258 FPS	155 FPS
medium	227 FPS	138 FPS
high	213 FPS	132 FPS
ultra	185 FPS	114 FPS

Open Core i9-10900E Open Core Ultra 7 266V

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-10900E	Core Ultra 7 266V
1080p
low	483 FPS	482 FPS
medium	483 FPS	482 FPS
high	483 FPS	482 FPS
ultra	449 FPS	482 FPS
1440p
low	483 FPS	482 FPS
medium	483 FPS	482 FPS
high	479 FPS	482 FPS
ultra	403 FPS	468 FPS
4K
low	483 FPS	482 FPS
medium	408 FPS	462 FPS
high	361 FPS	404 FPS
ultra	301 FPS	336 FPS

Open Core i9-10900E Open Core Ultra 7 266V

League of Legends

League of Legends

Valorant

Preset	Core i9-10900E	Core Ultra 7 266V
1080p
low	483 FPS	482 FPS
medium	483 FPS	482 FPS
high	483 FPS	482 FPS
ultra	483 FPS	482 FPS
1440p
low	483 FPS	482 FPS
medium	483 FPS	482 FPS
high	483 FPS	482 FPS
ultra	483 FPS	482 FPS
4K
low	483 FPS	482 FPS
medium	483 FPS	482 FPS
high	445 FPS	480 FPS
ultra	389 FPS	418 FPS

Open Core i9-10900E Open Core Ultra 7 266V

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-10900E and Core Ultra 7 266V

Core i9-10900E

The Core i9-10900E is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 10 cores and 20 threads. Base frequency is 2.8 GHz, with boost up to 4.7 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 19,332 points. Launch price was $488.

Core Ultra 7 266V

The Core Ultra 7 266V is manufactured by Intel. It was released in 24 September 2024 (1 year ago). It is based on the Lunar Lake (2024) architecture. It features 8 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 5 GHz. L3 cache: 12 MB (total). L2 cache: 2.5 MB (per core). Built on 3 nm process technology. Socket: FCBGA2833. Thermal design power (TDP): 17 Watt. Memory support: DDR5. Passmark benchmark score: 19,274 points. Launch price was $299.

⚡

Processing Power

The Core i9-10900E packs 10 cores / 20 threads, while the Core Ultra 7 266V offers 8 cores / 8 threads — the Core i9-10900E has 2 more cores. Boost clocks reach 4.7 GHz on the Core i9-10900E versus 5 GHz on the Core Ultra 7 266V — a 6.2% clock advantage for the Core Ultra 7 266V (base: 2.8 GHz vs 2.2 GHz). The Core i9-10900E uses the Comet Lake (2020−2025) architecture (14 nm), while the Core Ultra 7 266V uses Lunar Lake (2024) (3 nm). In PassMark, the Core i9-10900E scores 19,332 against the Core Ultra 7 266V's 19,274 — a 0.3% lead for the Core i9-10900E. L3 cache: 20 MB (total) on the Core i9-10900E vs 12 MB (total) on the Core Ultra 7 266V.

Feature	Core i9-10900E	Core Ultra 7 266V
Cores / Threads	10 / 20+25%	8 / 8
Boost Clock	4.7 GHz	5 GHz+6%
Base Clock	2.8 GHz+27%	2.2 GHz
L3 Cache	20 MB (total)+67%	12 MB (total)
L2 Cache	256 kB (per core)	2.5 MB (per core)+900%
Process	14 nm	3 nm-79%
Architecture	Comet Lake (2020−2025)	Lunar Lake (2024)
PassMark	19,332	19,274

🧠

Memory & Platform

The Core i9-10900E uses the LGA1200 socket (PCIe 4.0), while the Core Ultra 7 266V uses FCBGA2833 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i9-10900E	Core Ultra 7 266V
Socket	LGA1200	FCBGA2833
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-2933	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i9-10900E) / not specified (Core Ultra 7 266V). The Core i9-10900E includes integrated graphics (UHD Graphics 630), while the Core Ultra 7 266V requires a dedicated GPU.

Feature	Core i9-10900E	Core Ultra 7 266V
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—

💰

Value Analysis

The Core i9-10900E launched at $488 MSRP, while the Core Ultra 7 266V debuted at $520. On MSRP ($488 vs $520), the Core i9-10900E is $32 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-10900E delivers 39.6 pts/$ vs 37.1 pts/$ for the Core Ultra 7 266V — making the Core i9-10900E the 6.6% better value option.