Core i7-3520M vs Ryzen 7 5800X

CPU

GPU

Core i7-3520M

2 Cores4 Thrd512 WWMax: 3.6 GHz2012

Similar parts

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Ryzen 7 5800X

8 Cores16 Thrd105 WWMax: 4.7 GHz2020

Ryzen family

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Core i7-3520M vs Ryzen 7 5800X Performance Spectrum

Core i7-3520M

2 / 4

2,842

0.0%

27,712

+875.1%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

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 i7-3520M vs Ryzen 7 5800X 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 i7-3520M vs Ryzen 7 5800X: Pros, Cons & Final Verdict

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

Core i7-3520M

2012

Why buy it

✅Costs $103 less on MSRP ($346 MSRP vs $449 MSRP).
✅Integrated graphics onboard with Intel HD Graphics 4000, while Ryzen 7 5800X needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 5800X across 50 shared CPU benchmark tests.
❌Lower PassMark (2,842 vs 27,712).
❌Smaller total L3 cache (4 MB vs 32 MB).
❌Lower PassMark per dollar, at 8.2 vs 61.7 PassMark/$ ($346 MSRP vs $449 MSRP).
❌387.6% higher power demand at 512W vs 105W.

Ryzen 7 5800X

2020

Why buy it

✅Better for gaming: +274.9% higher average FPS across 50 shared CPU benchmark tests.
✅+700% larger total L3 cache (32 MB vs 4 MB).
✅Delivers 651.4% more PassMark for each dollar spent, at 61.7 vs 8.2 PassMark/$ ($449 MSRP vs $346 MSRP).
✅Draws 105W instead of 512W, a 407W reduction.
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
29.8% HIGHER MSRP
$449 MSRPvs$346 MSRP
❌No integrated graphics, while Core i7-3520M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 5800X better than Core i7-3520M?

Yes. Ryzen 7 5800X is the better all-around CPU here. It gives you a 274.9% average FPS lead across 50 shared CPU game tests in our data, 875.1% 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 7 5800X is the better pick. According to our tests, it delivers 274.9% 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 7 5800X is the stronger fit. You are getting 875.1% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 700% larger total L3 cache (32 MB vs 4 MB).

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

Ryzen 7 5800X is the better buy right now. Ryzen 7 5800X comes in 29.8% more expensive on MSRP at $449 MSRP versus $346 MSRP, and it still gives you a 274.9% average FPS lead across 50 shared CPU game tests in our data. It is also 651.4% better value on MSRP (61.7 vs 8.2 PassMark/$), 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 7 5800X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2012), 700% larger total L3 cache (32 MB vs 4 MB), and more multi-core headroom with 8 cores / 16 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3520M vs Ryzen 7 5800X Technical Specifications

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

Core i7-3520M

The Core i7-3520M is manufactured by Intel. It was released in 3 June 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,842 points. Launch price was $346.

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 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. Passmark benchmark score: 27,712 points. Launch price was $449.

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Processing Power

The Core i7-3520M packs 2 cores / 4 threads, while the Ryzen 7 5800X offers 8 cores / 16 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 3.6 GHz on the Core i7-3520M versus 4.7 GHz on the Ryzen 7 5800X — a 26.5% clock advantage for the Ryzen 7 5800X (base: 2.9 GHz vs 3.8 GHz). The Core i7-3520M uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i7-3520M scores 2,842 against the Ryzen 7 5800X's 27,712 — a 162.8% lead for the Ryzen 7 5800X. L3 cache: 4 MB (total) on the Core i7-3520M vs 32 MB on the Ryzen 7 5800X.

Feature	Core i7-3520M	Ryzen 7 5800X
Cores / Threads	2 / 4	8 / 16+300%
Boost Clock	3.6 GHz	4.7 GHz+31%
Base Clock	2.9 GHz	3.8 GHz+31%
L3 Cache	4 MB (total)	32 MB+700%
L2 Cache	256K (per core)	512K (per core)+100%
Process	22 nm	7 nm, 12 nm-68%
Architecture	Ivy Bridge (2012−2013)	Vermeer (Zen 3) (2020−2022)
PassMark	2,842	27,712+875%

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Memory & Platform

The Core i7-3520M uses the PGA988 socket (PCIe 3.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Core i7-3520M versus DDR4-3200 on the Ryzen 7 5800X — the Ryzen 7 5800X supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i7-3520M) vs 24 (Ryzen 7 5800X) — the Ryzen 7 5800X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM75,HM76,HM77,QM77,QS77 (Core i7-3520M) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X).

Feature	Core i7-3520M	Ryzen 7 5800X
Socket	PGA988	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	1600	DDR4-3200+100%
Max RAM Capacity	32 GB	128 GB+300%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	16	24+50%

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Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Core i7-3520M) vs AMD-V (Ryzen 7 5800X). The Core i7-3520M includes integrated graphics (Intel HD Graphics 4000), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop. Direct competitor: Core i7-3520M rivals AMD A10-5750M.

Feature	Core i7-3520M	Ryzen 7 5800X
Integrated GPU	Yes	No
IGPU Model	Intel HD Graphics 4000	—
Unlocked	No	Yes
AVX-512	No	No
Virtualization	true	AMD-V
Target Use	—	Desktop

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Value Analysis

At launch, the Core i7-3520M was priced at $346, while the Ryzen 7 5800X came in at $449. On launch pricing ($346 vs $449), Core i7-3520M was $103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-3520M delivers 8.2 pts/$ vs 61.7 pts/$ for the Ryzen 7 5800X — making the Ryzen 7 5800X the 153% better value option.

Feature	Core i7-3520M	Ryzen 7 5800X
MSRP	$346-23%	$449
Performance per Dollar	8.2	61.7+652%
Release Date	2012	2020

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