Core i5-520UM vs Core i5-3439Y

Core i5-520UM

2 Cores4 Thrd18 WWMax: 1.87 GHz2010

Core i5-3439Y

2 Cores4 Thrd512 WWMax: 2.3 GHz2013

Performance Spectrum - CPU

Core i5-520UM

2 / 4

1,943

0.0%

1,957

+0.7%

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 Core i5-520UM is positioned at rank 130 and the Core i5-3439Y is on rank 1077, so the Core i5-520UM 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 Core i5-520UM

#36

Core i5-11500B

MSRP: $185|Avg: $185

95%

#118

Atom x5-Z8300

MSRP: $20|Avg: N/A

302%

#119

Atom Z3735G

MSRP: $17|Avg: N/A

298%

#120

Core i5-480M

MSRP: $81|Avg: $77

273%

#121

Core i5-460M

MSRP: $80|Avg: $129

272%

#122

Core i5-2540M

MSRP: $266|Avg: $10

269%

#124

Core i5-450M

MSRP: $32|Avg: $31

260%

#125

Core i3-380M

MSRP: $49|Avg: $25

250%

#126

Core i5-430M

MSRP: N/A|Avg: $33

249%

#127

Core 2 Duo T6600

MSRP: N/A|Avg: $4

242%

#130

Core i5-520UM

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

97%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

97%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i5-3439Y

#1065

Atom x5-Z8300

MSRP: $20|Avg: N/A

2893%

#1066

Atom Z3735G

MSRP: $17|Avg: N/A

2851%

#1067

Core i5-480M

MSRP: $81|Avg: $77

2617%

#1068

Core i5-460M

MSRP: $80|Avg: $129

2606%

#1069

Core i5-2540M

MSRP: $266|Avg: $10

2582%

#1071

Core i5-450M

MSRP: $32|Avg: $31

2493%

#1072

Core i3-380M

MSRP: $49|Avg: $25

2391%

#1073

Core i5-430M

MSRP: N/A|Avg: $33

2387%

#1074

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2322%

#1077

Core i5-3439Y

MSRP: N/A|Avg: N/A

100%

#1078

A9-9425

MSRP: $150|Avg: $30

100%

#1080

Core i5-4402E

MSRP: $266|Avg: $100

99%

#1081

A6-7000

MSRP: $100|Avg: $15

99%

#1083

Core i5-2520M

MSRP: $225|Avg: N/A

98%

#1084

Core i7-2710QE

MSRP: $378|Avg: $40

98%

#1089

Core i5-3610ME

MSRP: $276|Avg: $22

95%

#1090

Core m3-7Y32

MSRP: $281|Avg: $281

95%

#1092

Celeron B720

MSRP: $70|Avg: $10

94%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core i5-3439Y delivers superior performance across the board. It outperforms the Core i5-520UM in both compute-intensive tasks (0.7% faster) and gaming workloads.

Insight	Core i5-520UM	Core i5-3439Y
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Arrandale (2010−2011) / 32 nm)	🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm)

💎 Value Proposition

Insight	Core i5-520UM	Core i5-3439Y
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.

Core i5-520UM Benchmark Check

Core i5-3439Y Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-520UM and Core i5-3439Y

Core i5-520UM

The Core i5-520UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.07 GHz, with boost up to 1.87 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,943 points. Launch price was $241.

Core i5-3439Y

The Core i5-3439Y is manufactured by Intel. It was released in 8 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.3 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 13 Watt. Memory support: DDR3. Passmark benchmark score: 1,957 points. Launch price was $69.

⚡

Processing Power

Both the Core i5-520UM and Core i5-3439Y share an identical 2-core/4-thread configuration. Boost clocks reach 1.87 GHz on the Core i5-520UM versus 2.3 GHz on the Core i5-3439Y — a 20.6% clock advantage for the Core i5-3439Y (base: 1.07 GHz vs 1.5 GHz). The Core i5-520UM uses the Arrandale (2010−2011) architecture (32 nm), while the Core i5-3439Y uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i5-520UM scores 1,943 against the Core i5-3439Y's 1,957 — a 0.7% lead for the Core i5-3439Y. L3 cache: 3 MB on the Core i5-520UM vs 3 MB (total) on the Core i5-3439Y.

Feature	Core i5-520UM	Core i5-3439Y
Cores / Threads	2 / 4	2 / 4
Boost Clock	1.87 GHz	2.3 GHz+23%
Base Clock	1.07 GHz	1.5 GHz+40%
L3 Cache	3 MB	3 MB (total)
L2 Cache	512 kB+100%	256K (per core)
Process	32 nm	22 nm-31%
Architecture	Arrandale (2010−2011)	Ivy Bridge (2012−2013)
PassMark	1,943	1,957
Geekbench 6 Single	—	472
Geekbench 6 Multi	—	966

🧠

Memory & Platform

The Core i5-520UM uses the BGA1288 socket (PCIe 2.0), while the Core i5-3439Y uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 800 on the Core i5-520UM versus DDR3L-1600 on the Core i5-3439Y — the Core i5-520UM supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-3439Y supports up to 32 GB of RAM compared to 8 — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55,HM57,QM57,QS57 (Core i5-520UM) and 7-series (Core i5-3439Y).

Feature	Core i5-520UM	Core i5-3439Y
Socket	BGA1288	BGA1023
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	800+26567%	DDR3L-1600
Max RAM Capacity	8	32 GB+419430300%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: true (Core i5-520UM) vs VT-x (Core i5-3439Y). Both include integrated graphics — Intel HD Graphics (Ironlake) (Core i5-520UM) and HD Graphics 4000 (Core i5-3439Y) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-3439Y targets Budget. Direct competitor: Core i5-520UM rivals Core 2 Duo SU9400; Core i5-3439Y rivals Athlon Silver 3050U.