Athlon II X3 425e vs Core i3-5020U

Athlon II X3 425e vs Core i3-5020U Performance Spectrum

Athlon II X3 425e

3 / 3

2,239

+0.3%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i3-5020U

2 / 4

2,232

0.0%

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 425e vs Core i3-5020U 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 425e vs Core i3-5020U: 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 425e

2011

Why buy it

✅Draws 45W instead of 512W, a 467W reduction.

Trade-offs

❌Launch MSRP is still $79 MSRP, while Core i3-5020U mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i3-5020U can still boot and troubleshoot without a discrete GPU.

Core i3-5020U

2015

Why buy it

✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics 5500, while Athlon II X3 425e needs a discrete GPU.

Trade-offs

❌Lower PassMark (2,232 vs 2,239).
❌1037.8% higher power demand at 512W vs 45W.

Quick Answers

So, is Athlon II X3 425e better than Core i3-5020U?

Yes. Athlon II X3 425e is the better all-around CPU here. It gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data and 0.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X3 425e is the better pick. According to our tests, it delivers 0.8% 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, Athlon II X3 425e is the stronger fit. You are getting 0.3% better PassMark, backed by 3 cores and 3 threads.

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

Athlon II X3 425e is the better buy right now. Athlon II X3 425e comes in at an unclear MSRP at $79 MSRP versus unclear MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (28.3 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i3-5020U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2011). That makes it the safer long-term bet.

Athlon II X3 425e vs Core i3-5020U Technical Specifications

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

Athlon II X3 425e

The Athlon II X3 425e is manufactured by AMD. It was released in 2009-01-01. It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.7 GHz, with boost up to 2.7 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: 2,239 points. Launch price was $149.

Core i3-5020U

The Core i3-5020U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,232 points. Launch price was $281.

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Processing Power

The Athlon II X3 425e packs 3 cores / 3 threads, while the Core i3-5020U offers 2 cores / 4 threads — the Athlon II X3 425e has 1 more core. Boost clocks reach 2.7 GHz on the Athlon II X3 425e versus 2.2 GHz on the Core i3-5020U — a 20.4% clock advantage for the Athlon II X3 425e (base: 2.7 GHz vs 2.2 GHz). The Athlon II X3 425e uses the Rana (2009−2011) architecture (45 nm), while the Core i3-5020U uses Broadwell-U (2015) (14 nm). In PassMark, the Athlon II X3 425e scores 2,239 against the Core i3-5020U's 2,232 — a 0.3% lead for the Athlon II X3 425e. L3 cache: 0 kB on the Athlon II X3 425e vs 3 MB (total) on the Core i3-5020U.

Feature	Athlon II X3 425e	Core i3-5020U
Cores / Threads	3 / 3+50%	2 / 4
Boost Clock	2.7 GHz+23%	2.2 GHz
Base Clock	2.7 GHz+23%	2.2 GHz
L3 Cache	0 kB	3 MB (total)
L2 Cache	512 kB (per core)+100%	256K (per core)
Process	45 nm	14 nm-69%
Architecture	Rana (2009−2011)	Broadwell-U (2015)
PassMark	2,239	2,232
Geekbench 6 Single	—	600
Geekbench 6 Multi	—	1,200

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Memory & Platform

The Athlon II X3 425e uses the AM3 socket (PCIe 2.0), while the Core i3-5020U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 425e versus DDR3L-1600 on the Core i3-5020U — the Core i3-5020U supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 425e supports up to 32 GB of RAM compared to 16 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X3 425e) vs 12 (Core i3-5020U) — the Core i3-5020U offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X3 425e) and Broadwell-U (Core i3-5020U).

Feature	Athlon II X3 425e	Core i3-5020U
Socket	AM3	FCBGA1168
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	DDR3L-1600+20%
Max RAM Capacity	32 GB+100%	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	12

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Advanced Features

Virtualization: not specified (Athlon II X3 425e) / VT-x, VT-d (Core i3-5020U). The Core i3-5020U includes integrated graphics (Intel HD Graphics 5500), while the Athlon II X3 425e requires a dedicated GPU. Primary use case: Core i3-5020U targets Mainstream Laptop.