Core i3-9300 vs Core i7-990X

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 i3-9300 vs Core i7-990X 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 i3-9300 vs Core i7-990X: Pros, Cons & Final Verdict

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

Core i3-9300

2019

Why buy it

✅Costs $856 less on MSRP ($143 MSRP vs $999 MSRP).
✅Delivers 595.7% more PassMark for each dollar spent, at 49.7 vs 7.1 PassMark/$ ($143 MSRP vs $999 MSRP).
✅Draws 62W instead of 130W, a 68W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics 630, while Core i7-990X needs a discrete GPU.

Trade-offs

❌Lower PassMark (7,105 vs 7,135).
❌Smaller total L3 cache (6 MB vs 12 MB).

Core i7-990X

2011

Why buy it

✅+0.4% higher PassMark.
✅+100% larger total L3 cache (12 MB vs 6 MB).

Trade-offs

❌Lower PassMark per dollar, at 7.1 vs 49.7 PassMark/$ ($999 MSRP vs $143 MSRP).
❌109.7% higher power demand at 130W vs 62W.
❌No integrated graphics, while Core i3-9300 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i3-9300.

Quick Answers

So, is Core i3-9300 better than Core i7-990X?

It depends on what you want from the system. For gaming, Core i3-9300 is ahead with a 1.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-990X pulls ahead with 0.4% better PassMark. Core i7-990X also has the bigger cache pool with 100% larger total L3 cache (12 MB vs 6 MB).

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

For streaming, content creation, and heavier multitasking, Core i7-990X is the stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 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 i3-9300 is the better buy right now. Core i3-9300 comes in $856 cheaper on MSRP at $143 MSRP versus $999 MSRP, and it still gives you a 1.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i7-990X is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 595.7% better value on MSRP (49.7 vs 7.1 PassMark/$), 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 i3-9300 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011). That makes it the safer long-term bet.

Core i3-9300 vs Core i7-990X Technical Specifications

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

Core i3-9300

The Core i3-9300 is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 4.3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 62 Watt. Memory support: DDR4-2400. Passmark benchmark score: 7,105 points. Launch price was $143.

Core i7-990X

The Core i7-990X is manufactured by Intel. It was released in 24 February 2011 (14 years ago). It is based on the Gulftown (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 3.46 GHz, with boost up to 3.73 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 7,135 points. Launch price was $1,104.

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Processing Power

The Core i3-9300 packs 4 cores / 4 threads, while the Core i7-990X offers 6 cores / 12 threads — the Core i7-990X has 2 more cores. Boost clocks reach 4.3 GHz on the Core i3-9300 versus 3.73 GHz on the Core i7-990X — a 14.2% clock advantage for the Core i3-9300 (base: 3.7 GHz vs 3.46 GHz). The Core i3-9300 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Core i7-990X uses Gulftown (2010−2011) (32 nm). In PassMark, the Core i3-9300 scores 7,105 against the Core i7-990X's 7,135 — a 0.4% lead for the Core i7-990X. L3 cache: 6 MB (total) on the Core i3-9300 vs 12 MB (total) on the Core i7-990X.

Feature	Core i3-9300	Core i7-990X
Cores / Threads	4 / 4	6 / 12+50%
Boost Clock	4.3 GHz+15%	3.73 GHz
Base Clock	3.7 GHz+7%	3.46 GHz
L3 Cache	6 MB (total)	12 MB (total)+100%
L2 Cache	256K (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Coffee Lake (2017−2019)	Gulftown (2010−2011)
PassMark	7,105	7,135
Geekbench 6 Single	1,498	—
Geekbench 6 Multi	4,025	—

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Memory & Platform

The Core i3-9300 uses the LGA1151 socket (PCIe 3.0), while the Core i7-990X uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i3-9300	Core i7-990X
Socket	LGA1151	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i3-9300) / not specified (Core i7-990X). The Core i3-9300 includes integrated graphics (UHD Graphics 630), while the Core i7-990X requires a dedicated GPU.

Feature	Core i3-9300	Core i7-990X
Integrated GPU	Yes	—
IGPU Model	UHD Graphics 630	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—

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Value Analysis

At launch, the Core i3-9300 was priced at $143, while the Core i7-990X came in at $999. On launch pricing ($143 vs $999), Core i3-9300 was $856 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-9300 delivers 49.7 pts/$ vs 7.1 pts/$ for the Core i7-990X — making the Core i3-9300 the 149.7% better value option.

Feature	Core i3-9300	Core i7-990X
MSRP	$143-86%	$999
Performance per Dollar	49.7+600%	7.1
Release Date	2019	2011

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