Atom Z2580 vs A6-3420M

Atom Z2580

2 Cores4 Thrd3 WWMax: 2 GHz2013

A6-3420M

4 Cores4 Thrd35 WWMax: 2.4 GHz2011

Performance Spectrum - CPU

Atom Z2580

2 / 4

1,303

0.0%

1,310

+0.5%

Ryzen Threadripper PRO 3955WX

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Atom Z2580 is positioned at rank 9 and the A6-3420M is on rank 837, so the Atom Z2580 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom Z2580

Atom x5-Z8300

MSRP: $20|Avg: N/A

113%

Atom Z3735G

MSRP: $17|Avg: N/A

111%

Core i5-480M

MSRP: $81|Avg: $77

102%

Core i5-460M

MSRP: $80|Avg: $129

101%

Core i5-2540M

MSRP: $266|Avg: $10

100%

Atom Z2580

MSRP: N/A|Avg: N/A

100%

#10

Core i5-450M

MSRP: $32|Avg: $31

97%

#11

Core i3-380M

MSRP: $49|Avg: $25

93%

#12

Core i5-430M

MSRP: N/A|Avg: $33

93%

#13

Core 2 Duo T6600

MSRP: N/A|Avg: $4

90%

#17

Core i3-350M

MSRP: $130|Avg: $10

83%

#18

Atom x5-E8000

MSRP: $18|Avg: N/A

82%

#19

Core 2 Duo T5900

MSRP: N/A|Avg: $5

81%

#22

Core i3-3130M

MSRP: $225|Avg: N/A

73%

#23

Core 2 Duo T5550

MSRP: N/A|Avg: $5

70%

#24

Core 2 Duo T7100

MSRP: $197|Avg: $15

70%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar A6-3420M

#824

Atom x5-Z8300

MSRP: $20|Avg: N/A

1344%

#825

Atom Z3735G

MSRP: $17|Avg: N/A

1324%

#826

Core i5-480M

MSRP: $81|Avg: $77

1216%

#827

Core i5-460M

MSRP: $80|Avg: $129

1210%

#828

Core i5-2540M

MSRP: $266|Avg: $10

1199%

#830

Core i5-450M

MSRP: $32|Avg: $31

1158%

#831

Core i3-380M

MSRP: $49|Avg: $25

1110%

#832

Core i5-430M

MSRP: N/A|Avg: $33

1109%

#833

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1079%

#836

Celeron 887

MSRP: $86|Avg: $15

100%

#837

A6-3420M

MSRP: N/A|Avg: N/A

100%

#851

Pentium P6300

MSRP: $80|Avg: $10

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The A6-3420M delivers superior performance across the board. It outperforms the Atom Z2580 in both compute-intensive tasks (0.5% faster) and gaming workloads.

Insight	Atom Z2580	A6-3420M
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Clovertrail (2013) / 32 nm)	🛑 Legacy (Llano (2011−2012) / 32 nm)

💎 Value Proposition

Insight	Atom Z2580	A6-3420M
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Atom Z2580 Benchmark Check

A6-3420M Benchmark Check

Technical Specifications

Side-by-side comparison of Atom Z2580 and A6-3420M

Atom Z2580

The Atom Z2580 is manufactured by Intel. It was released in 27 February 2013 (12 years ago). It is based on the Clovertrail (2013) architecture. It features 2 cores and 4 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FC-MB4760. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 1,303 points. Launch price was $69.

A6-3420M

The A6-3420M is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,310 points. Launch price was $70.

⚡

Processing Power

The Atom Z2580 packs 2 cores / 4 threads, while the A6-3420M offers 4 cores / 4 threads — the A6-3420M has 2 more cores. Boost clocks reach 2 GHz on the Atom Z2580 versus 2.4 GHz on the A6-3420M — a 18.2% clock advantage for the A6-3420M. The Atom Z2580 uses the Clovertrail (2013) architecture (32 nm), while the A6-3420M uses Llano (2011−2012) (32 nm). In PassMark, the Atom Z2580 scores 1,303 against the A6-3420M's 1,310 — a 0.5% lead for the A6-3420M. Both processors carry 0 kB of L3 cache.

Feature	Atom Z2580	A6-3420M
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	2 GHz	2.4 GHz+20%
Base Clock	—	1.5 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	32 nm	32 nm
Architecture	Clovertrail (2013)	Llano (2011−2012)
PassMark	1,303	1,310
Geekbench 6 Single	—	234

🧠

Memory & Platform

The Atom Z2580 uses the FC-MB4760 socket (PCIe 3.0), while the A6-3420M uses FS1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR2-1066 on the Atom Z2580 versus DDR3-1333 on the A6-3420M — the A6-3420M supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A6-3420M supports up to 8 GB of RAM compared to 2 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Atom Z2580) vs 16 (A6-3420M) — the A6-3420M offers 16 more lanes for additional GPUs or NVMe drives.

Feature	Atom Z2580	A6-3420M
Socket	FC-MB4760	FS1
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	LPDDR2-1066	DDR3-1333+50%
Max RAM Capacity	2 GB	8 GB+300%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	16

🔧

Advanced Features

Virtualization: not specified (Atom Z2580) / AMD-V (A6-3420M). Both include integrated graphics — PowerVR SGX544MP2 (Atom Z2580) and Radeon HD 6520G (A6-3420M) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A6-3420M targets Budget Laptop. Direct competitor: A6-3420M rivals Core i3-2330M.