Core 2 Duo E6750 vs Ryzen 9 5900X

CPU

GPU

Core 2 Duo E6750

2 Cores2 Thrd65 WWMax: 2.67 GHz2007

Similar parts

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Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Ryzen family

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Core 2 Duo E6750 vs Ryzen 9 5900X Performance Spectrum

Core 2 Duo E6750

2 / 2

1,029

0.0%

38,955

+3685.7%

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

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 2 Duo E6750 vs Ryzen 9 5900X 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 2 Duo E6750 vs Ryzen 9 5900X: Pros, Cons & Final Verdict

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

Core 2 Duo E6750

2007

Why buy it

✅Costs $366 less on MSRP ($183 MSRP vs $549 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Includes a boxed cooler (true), unlike Ryzen 9 5900X.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (1,029 vs 38,955).
❌Lower PassMark per dollar, at 5.6 vs 71.0 PassMark/$ ($183 MSRP vs $549 MSRP).

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +969.3% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 1161.9% more PassMark for each dollar spent, at 71.0 vs 5.6 PassMark/$ ($549 MSRP vs $183 MSRP).
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
200% HIGHER MSRP
$549 MSRPvs$183 MSRP
❌61.5% higher power demand at 105W vs 65W.
❌No boxed cooler included, unlike Core 2 Duo E6750.

Quick Answers

So, is Ryzen 9 5900X better than Core 2 Duo E6750?

Yes. Ryzen 9 5900X is the better all-around CPU here. It gives you a 969.3% average FPS lead across 50 shared CPU game tests in our data, 3685.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick. According to our tests, it delivers 969.3% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5900X is the stronger fit. You are getting 3685.7% better PassMark, backed by 12 cores and 24 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 5900X is the better buy right now. Ryzen 9 5900X comes in 200.0% more expensive on MSRP at $549 MSRP versus $183 MSRP, and it still gives you a 969.3% average FPS lead across 50 shared CPU game tests in our data. It is also 1161.9% better value on MSRP (71.0 vs 5.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Ryzen 9 5900X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2007) and more multi-core headroom with 12 cores / 24 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Duo E6750 vs Ryzen 9 5900X Technical Specifications

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

Core 2 Duo E6750

The Core 2 Duo E6750 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,029 points. Launch price was $249.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

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Processing Power

The Core 2 Duo E6750 packs 2 cores / 2 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 10 more cores. Boost clocks reach 2.67 GHz on the Core 2 Duo E6750 versus 4.8 GHz on the Ryzen 9 5900X — a 57% clock advantage for the Ryzen 9 5900X (base: 2.66 GHz vs 3.7 GHz). The Core 2 Duo E6750 uses the Conroe (2006−2007) architecture (65 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core 2 Duo E6750 scores 1,029 against the Ryzen 9 5900X's 38,955 — a 189.7% lead for the Ryzen 9 5900X. L3 cache: 0 kB on the Core 2 Duo E6750 vs 64 MB on the Ryzen 9 5900X.

Feature	Core 2 Duo E6750	Ryzen 9 5900X
Cores / Threads	2 / 2	12 / 24+500%
Boost Clock	2.67 GHz	4.8 GHz+80%
Base Clock	2.66 GHz	3.7 GHz+39%
L3 Cache	0 kB	64 MB
L2 Cache	4 MB	512K (per core)+12700%
Process	65 nm	7 nm, 12 nm-89%
Architecture	Conroe (2006−2007)	Vermeer (Zen3) (2020−2022)
PassMark	1,029	38,955+3686%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

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Memory & Platform

The Core 2 Duo E6750 uses the LGA775 socket (PCIe 1.1), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Core 2 Duo E6750 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo E6750) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6750) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	Core 2 Duo E6750	Ryzen 9 5900X
Socket	LGA775	AM4
PCIe Generation	PCIe 1.1	PCIe 4.0+264%
Max RAM Speed	1333	DDR4-3200+140%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core 2 Duo E6750) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Core 2 Duo E6750 rivals Phenom X3 8450; Ryzen 9 5900X rivals Core i9-12900K.

Feature	Core 2 Duo E6750	Ryzen 9 5900X
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	true	AMD-V
Target Use	—	Workstation

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Value Analysis

At launch, the Core 2 Duo E6750 was priced at $183, while the Ryzen 9 5900X came in at $549. On launch pricing ($183 vs $549), Core 2 Duo E6750 was $366 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core 2 Duo E6750 delivers 5.6 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 170.6% better value option.

Feature	Core 2 Duo E6750	Ryzen 9 5900X
MSRP	$183-67%	$549
Performance per Dollar	5.6	71.0+1168%
Release Date	2007	2020

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