Phenom II X3 720 vs Ryzen 5 3600

CPU

GPU

Phenom II X3 720

3 Cores3 Thrd95 WWMax: 2.8 GHz2010

Similar parts

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Ryzen 5 3600

6 Cores12 Thrd65 WWMax: 4.2 GHz2019

Ryzen family

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Phenom II X3 720 vs Ryzen 5 3600 Performance Spectrum

Phenom II X3 720

3 / 3

1,600

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen 5 3600

6 / 12

17,685

+1005.3%

Ryzen Threadripper 9960X

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.

Phenom II X3 720 vs Ryzen 5 3600 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.

Phenom II X3 720 vs Ryzen 5 3600: Pros, Cons & Final Verdict

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

Phenom II X3 720

2010

Why buy it

✅Costs $69 less on MSRP ($130 MSRP vs $199 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 3600 across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (980 vs 1,898).
❌Smaller total L3 cache (6 MB vs 32 MB).
❌Lower PassMark per dollar, at 12.3 vs 88.9 PassMark/$ ($130 MSRP vs $199 MSRP).
❌46.2% higher power demand at 95W vs 65W.

Ryzen 5 3600

2019

Why buy it

✅Better for gaming: +435.5% higher average FPS across 50 shared CPU benchmark tests.
✅+433.3% larger total L3 cache (32 MB vs 6 MB).
✅Delivers 622.1% more PassMark for each dollar spent, at 88.9 vs 12.3 PassMark/$ ($199 MSRP vs $130 MSRP).
✅Draws 65W instead of 95W, a 30W reduction.
✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌
53.1% HIGHER MSRP
$199 MSRPvs$130 MSRP

Quick Answers

So, is Ryzen 5 3600 better than Phenom II X3 720?

Yes. Ryzen 5 3600 is the better all-around CPU here. It gives you a 435.5% average FPS lead across 50 shared CPU game tests in our data, 93.7% better Geekbench multi-core, 1005.3% higher 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 5 3600 is the better pick. According to our tests, it delivers 435.5% 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 5 3600 is the stronger fit. You are getting 93.7% better Geekbench multi-core, backed by 6 cores and 12 threads. It also has the larger cache pool with 433.3% larger total L3 cache (32 MB vs 6 MB).

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

Ryzen 5 3600 is the better buy right now. Ryzen 5 3600 comes in 53.1% more expensive on MSRP at $199 MSRP versus $130 MSRP, and it still gives you a 435.5% average FPS lead across 50 shared CPU game tests in our data. It is also 622.1% better value on MSRP (88.9 vs 12.3 PassMark/$), 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 5 3600 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2010), 433.3% larger total L3 cache (32 MB vs 6 MB), and more multi-core headroom with 6 cores / 12 threads instead of 3/3. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Phenom II X3 720 vs Ryzen 5 3600 Technical Specifications

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

Phenom II X3 720

The Phenom II X3 720 is manufactured by AMD. It was released in 1 January 2010 (15 years ago). It is based on the Heka (2009−2010) architecture. It features 3 cores and 3 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,600 points. Launch price was $75.

Ryzen 5 3600

The Ryzen 5 3600 is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 6 cores and 12 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 32 MB (total). 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: 17,685 points. Launch price was $199.

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Processing Power

The Phenom II X3 720 packs 3 cores / 3 threads, while the Ryzen 5 3600 offers 6 cores / 12 threads — the Ryzen 5 3600 has 3 more cores. Boost clocks reach 2.8 GHz on the Phenom II X3 720 versus 4.2 GHz on the Ryzen 5 3600 — a 40% clock advantage for the Ryzen 5 3600 (base: 2.8 GHz vs 3.6 GHz). The Phenom II X3 720 uses the Heka (2009−2010) architecture (45 nm), while the Ryzen 5 3600 uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the Phenom II X3 720 scores 1,600 against the Ryzen 5 3600's 17,685 — a 166.8% lead for the Ryzen 5 3600. Geekbench 6 single-core — the metric most relevant to gaming — records 380 vs 1,295, a 109.3% lead for the Ryzen 5 3600 that directly translates to higher frame rates. Multi-core Geekbench: 980 vs 1,898 (63.8% advantage for the Ryzen 5 3600). L3 cache: 6 MB (total) on the Phenom II X3 720 vs 32 MB (total) on the Ryzen 5 3600.

Feature	Phenom II X3 720	Ryzen 5 3600
Cores / Threads	3 / 3	6 / 12+100%
Boost Clock	2.8 GHz	4.2 GHz+50%
Base Clock	2.8 GHz	3.6 GHz+29%
L3 Cache	6 MB (total)	32 MB (total)+433%
L2 Cache	512 kB (per core)	512K (per core)
Process	45 nm	7 nm, 12 nm-84%
Architecture	Heka (2009−2010)	Matisse (2019−2020)
PassMark	1,600	17,685+1005%
Cinebench R23 Multi	—	9,500
Geekbench 6 Single	380	1,295+241%
Geekbench 6 Multi	980	1,898+94%

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Memory & Platform

The Phenom II X3 720 uses the AM3 socket (PCIe 2.0), while the Ryzen 5 3600 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Phenom II X3 720 versus DDR4-3200 on the Ryzen 5 3600 — the Ryzen 5 3600 supports 140.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 3600 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 (Phenom II X3 720) vs 24 (Ryzen 5 3600) — the Ryzen 5 3600 offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM3,AM2+ (Phenom II X3 720) and AMD B550,AMD X570,AMD B450,AMD X470 (Ryzen 5 3600).

Feature	Phenom II X3 720	Ryzen 5 3600
Socket	AM3	AM4
PCIe Generation	PCIe 2.0	PCIe 4.0+100%
Max RAM Speed	DDR3-1333	DDR4-3200+140%
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	16	24+50%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: AMD-V (Phenom II X3 720) vs Yes (Ryzen 5 3600). Primary use case: Phenom II X3 720 targets Legacy Desktop, Ryzen 5 3600 targets Gaming/Budget Workstation. Direct competitor: Ryzen 5 3600 rivals Core i5-10400.

Feature	Phenom II X3 720	Ryzen 5 3600
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	AMD-V	Yes
Target Use	Legacy Desktop	Gaming/Budget Workstation

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Value Analysis

At launch, the Phenom II X3 720 was priced at $130, while the Ryzen 5 3600 came in at $199. On launch pricing ($130 vs $199), Phenom II X3 720 was $69 cheaper. In terms of value on MSRP (PassMark points per dollar), the Phenom II X3 720 delivers 12.3 pts/$ vs 88.9 pts/$ for the Ryzen 5 3600 — making the Ryzen 5 3600 the 151.3% better value option.

Feature	Phenom II X3 720	Ryzen 5 3600
MSRP	$130-35%	$199
Performance per Dollar	12.3	88.9+623%
Release Date	2010	2019

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