Core i7-3930K vs Ryzen 7 3700X

Intel

Core i7-3930K

6 Cores12 Thrd130 WWMax: 3.8 GHz2011
Similar parts
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VS
AMD

Ryzen 7 3700X

8 Cores16 Thrd65 WWMax: 4.4 GHz2019
Ryzen family
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Core i7-3930K vs Ryzen 7 3700X 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 i7-3930K vs Ryzen 7 3700X 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 i7-3930K vs Ryzen 7 3700X: Pros, Cons & Final Verdict

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

Core i7-3930K

2011

Why buy it

  • 66.7% more PCIe lanes (40 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
  • Lower PassMark (8,204 vs 22,430).
  • Smaller total L3 cache (12 MB vs 32 MB).
  • Lower PassMark per dollar, at 14.1 vs 68.2 PassMark/$ ($583 MSRP vs $329 MSRP).
  • 100% higher power demand at 130W vs 65W.

Ryzen 7 3700X

2019

Why buy it

  • Better for gaming: +85.9% higher average FPS across 50 shared CPU benchmark tests.
  • +166.7% larger total L3 cache (32 MB vs 12 MB).
  • Costs $254 less on MSRP ($329 MSRP vs $583 MSRP).
  • Delivers 384.5% more PassMark for each dollar spent, at 68.2 vs 14.1 PassMark/$ ($329 MSRP vs $583 MSRP).
  • Draws 65W instead of 130W, a 65W reduction.

Trade-offs

  • Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 7 3700X better than Core i7-3930K?
Yes. Ryzen 7 3700X is the better all-around CPU here. It gives you a 85.9% average FPS lead across 50 shared CPU game tests in our data, 173.4% 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 3700X is the better pick. According to our tests, it delivers 85.9% 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 3700X is the stronger fit. You are getting 173.4% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 166.7% larger total L3 cache (32 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 3700X is the better buy right now. Ryzen 7 3700X comes in $254 cheaper on MSRP at $329 MSRP versus $583 MSRP, and it still gives you a 85.9% average FPS lead across 50 shared CPU game tests in our data. It is also 384.5% better value on MSRP (68.2 vs 14.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 3700X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011), 166.7% larger total L3 cache (32 MB vs 12 MB), and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3930K vs Ryzen 7 3700X Technical Specifications

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

Intel

Core i7-3930K

The Core i7-3930K is manufactured by Intel. It was released in 14 November 2011 (14 years ago). It is based on the Sandy Bridge-E (2011−2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 8,204 points. Launch price was $611.

AMD

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

Processing Power

The Core i7-3930K packs 6 cores / 12 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the Ryzen 7 3700X has 2 more cores. Boost clocks reach 3.8 GHz on the Core i7-3930K versus 4.4 GHz on the Ryzen 7 3700X — a 14.6% clock advantage for the Ryzen 7 3700X (base: 3.2 GHz vs 3.6 GHz). The Core i7-3930K uses the Sandy Bridge-E (2011−2013) architecture (32 nm), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the Core i7-3930K scores 8,204 against the Ryzen 7 3700X's 22,430 — a 92.9% lead for the Ryzen 7 3700X. L3 cache: 12 MB (total) on the Core i7-3930K vs 32 MB on the Ryzen 7 3700X.

FeatureCore i7-3930KRyzen 7 3700X
Cores / Threads
6 / 12
8 / 16+33%
Boost Clock
3.8 GHz
4.4 GHz+16%
Base Clock
3.2 GHz
3.6 GHz+12%
L3 Cache
12 MB (total)
32 MB+167%
L2 Cache
256 kB (per core)
512K (per core)+100%
Process
32 nm
7 nm, 12 nm-78%
Architecture
Sandy Bridge-E (2011−2013)
Matisse (Zen 2) (2019−2020)
PassMark
8,204
22,430+173%
Geekbench 6 Single
731
🧠

Memory & Platform

The Core i7-3930K uses the LGA2011 socket (PCIe 2.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core i7-3930K versus DDR4-3200 on the Ryzen 7 3700X — the Ryzen 7 3700X supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 3700X supports up to 128 GB of RAM compared to 64 GB 100% more capacity for professional workloads. Memory channels: 4 (Core i7-3930K) vs 2 (Ryzen 7 3700X). PCIe lanes: 40 (Core i7-3930K) vs 24 (Ryzen 7 3700X) — the Core i7-3930K offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X79 (Core i7-3930K) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X).

FeatureCore i7-3930KRyzen 7 3700X
Socket
LGA2011
AM4
PCIe Generation
PCIe 2.0
PCIe 4.0+100%
Max RAM Speed
DDR3-1600
DDR4-3200+100%
Max RAM Capacity
64 GB
128 GB+100%
RAM Channels
4+100%
2
ECC Support
No
Yes
PCIe Lanes
40+67%
24
🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i7-3930K) / not specified (Ryzen 7 3700X). Primary use case: Core i7-3930K targets HEDT Desktop. Direct competitor: Core i7-3930K rivals FX-8350.

FeatureCore i7-3930KRyzen 7 3700X
Integrated GPU
No
No
IGPU Model
None
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d, EPT
Target Use
HEDT Desktop
💰

Value Analysis

At launch, the Core i7-3930K was priced at $583, while the Ryzen 7 3700X came in at $329. On launch pricing ($583 vs $329), Ryzen 7 3700X was $254 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-3930K delivers 14.1 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 131.6% better value option.

FeatureCore i7-3930KRyzen 7 3700X
MSRP
$583
$329-44%
Performance per Dollar
14.1
68.2+384%
Release Date
2011
2019

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