Athlon II X3 420e vs Phenom X4 9500

Athlon II X3 420e vs Phenom X4 9500 Performance Spectrum

Athlon II X3 420e

3 / 3

1,557

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Phenom X4 9500

4 / 4

1,564

+0.4%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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.

Athlon II X3 420e vs Phenom X4 9500 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.

Athlon II X3 420e vs Phenom X4 9500: Pros, Cons & Final Verdict

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

Athlon II X3 420e

2010

Why buy it

✅Costs $140 less on MSRP ($107 MSRP vs $247 MSRP).
✅Delivers 129.8% more PassMark for each dollar spent, at 14.6 vs 6.3 PassMark/$ ($107 MSRP vs $247 MSRP).
✅Draws 45W instead of 95W, a 50W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Stock), unlike Phenom X4 9500.

Trade-offs

❌Lower PassMark (1,557 vs 1,564).

Phenom X4 9500

2007

Why buy it

✅+0.4% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 6.3 vs 14.6 PassMark/$ ($247 MSRP vs $107 MSRP).
❌111.1% higher power demand at 95W vs 45W.
❌No boxed cooler included, unlike Athlon II X3 420e.

Quick Answers

So, is Athlon II X3 420e better than Phenom X4 9500?

It depends on what you want from the system. For gaming, Athlon II X3 420e is ahead with a 2.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Phenom X4 9500 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Phenom X4 9500 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 4 threads.

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

Athlon II X3 420e is the better buy right now. Athlon II X3 420e comes in $140 cheaper on MSRP at $107 MSRP versus $247 MSRP, and it still gives you a 2.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Phenom X4 9500 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 129.8% better value on MSRP (14.6 vs 6.3 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II X3 420e makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2007). That makes it the safer long-term bet.

Athlon II X3 420e vs Phenom X4 9500 Technical Specifications

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

Athlon II X3 420e

The Athlon II X3 420e is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,557 points. Launch price was $116.

Phenom X4 9500

The Phenom X4 9500 is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,564 points. Launch price was $149.

⚡

Processing Power

The Athlon II X3 420e packs 3 cores / 3 threads, while the Phenom X4 9500 offers 4 cores / 4 threads — the Phenom X4 9500 has 1 more core. Boost clocks reach 2.6 GHz on the Athlon II X3 420e versus 2.2 GHz on the Phenom X4 9500 — a 16.7% clock advantage for the Athlon II X3 420e. The Athlon II X3 420e uses the Rana (2009−2011) architecture (45 nm), while the Phenom X4 9500 uses Agena (2007−2008) (65 nm). In PassMark, the Athlon II X3 420e scores 1,557 against the Phenom X4 9500's 1,564 — a 0.4% lead for the Phenom X4 9500. L3 cache: 0 kB on the Athlon II X3 420e vs 2 MB (total) on the Phenom X4 9500.

Feature	Athlon II X3 420e	Phenom X4 9500
Cores / Threads	3 / 3	4 / 4+33%
Boost Clock	2.6 GHz+18%	2.2 GHz
Base Clock	2.6 GHz	—
L3 Cache	0 kB	2 MB (total)
L2 Cache	512 kB (per core)	512 kB (per core)
Process	45 nm-31%	65 nm
Architecture	Rana (2009−2011)	Agena (2007−2008)
PassMark	1,557	1,564
Geekbench 6 Single	314	—
Geekbench 6 Multi	880	—

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Memory & Platform

The Athlon II X3 420e uses the AM3 socket (PCIe 2.0), while the Phenom X4 9500 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Athlon II X3 420e	Phenom X4 9500
Socket	AM3	AM2+
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: AMD-V (Athlon II X3 420e) / not specified (Phenom X4 9500). Primary use case: Athlon II X3 420e targets Legacy Desktop. Direct competitor: Athlon II X3 420e rivals Athlon II X3 415e.

Feature	Athlon II X3 420e	Phenom X4 9500
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	—
Target Use	Legacy Desktop	—

💰

Value Analysis

At launch, the Athlon II X3 420e was priced at $107, while the Phenom X4 9500 came in at $247. On launch pricing ($107 vs $247), Athlon II X3 420e was $140 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X3 420e delivers 14.6 pts/$ vs 6.3 pts/$ for the Phenom X4 9500 — making the Athlon II X3 420e the 78.7% better value option.

Feature	Athlon II X3 420e	Phenom X4 9500
MSRP	$107-57%	$247
Performance per Dollar	14.6+132%	6.3
Release Date	2010	2007

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