Core i9-10900E vs Core Ultra 7 266V

Intel

Core i9-10900E

10 Cores20 Thrd65 WWMax: 4.7 GHz2020
Core family
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VS
Intel

Core Ultra 7 266V

8 Cores8 Thrd17 WWMax: 5 GHz2024
Core Ultra family
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Core i9-10900E vs Core Ultra 7 266V 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 i9-10900E vs Core Ultra 7 266V 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 i9-10900E vs Core Ultra 7 266V: Pros, Cons & Final Verdict

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

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.

Quick Answers

So, is Core Ultra 7 266V better than Core i9-10900E?
It depends on what you want from the system. 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 stronger fit. You are getting 0.3% better PassMark, backed by 10 cores and 20 threads. It also has 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 is easier to justify if budget matters more than peak performance. Core Ultra 7 266V comes in 6.6% more expensive on MSRP at $520 MSRP versus $488 MSRP, and it still gives you a 7.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i9-10900E is still stronger for heavier multi-core work with 0.3% better PassMark. Core i9-10900E is also 6.9% better value on MSRP (39.6 vs 37.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 266V makes more sense long term 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 gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-10900E vs Core Ultra 7 266V Technical Specifications

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

Intel

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.

Intel

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.

FeatureCore i9-10900ECore 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.

FeatureCore i9-10900ECore 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.

FeatureCore i9-10900ECore Ultra 7 266V
Integrated GPU
Yes
IGPU Model
UHD Graphics 630
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
💰

Value Analysis

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

FeatureCore i9-10900ECore Ultra 7 266V
MSRP
$488-6%
$520
Performance per Dollar
39.6+7%
37.1
Release Date
2020
2024

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