Phenom II X2 X640 BE vs Atom Z3735G

Performance Spectrum - CPU

Phenom II X2 X640 BE

2 / 2

2,839

0.0%

Ryzen Threadripper 3990X

Atom Z3735G

4 / 4

2,891

+1.8%

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 Phenom II X2 X640 BE is positioned at rank 136 and the Atom Z3735G is on rank 5, so the Atom Z3735G 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 Phenom II X2 X640 BE

#36

Core i5-11500B

MSRP: $185|Avg: $185

98%

#124

Atom x5-Z8300

MSRP: $20|Avg: N/A

310%

#125

Atom Z3735G

MSRP: $17|Avg: N/A

306%

#126

Core i5-480M

MSRP: $81|Avg: $77

280%

#127

Core i5-460M

MSRP: $80|Avg: $129

279%

#128

Core i5-2540M

MSRP: $266|Avg: $10

277%

#130

Core i5-450M

MSRP: $32|Avg: $31

267%

#131

Core i3-380M

MSRP: $49|Avg: $25

256%

#132

Core i5-430M

MSRP: N/A|Avg: $33

256%

#133

Core 2 Duo T6600

MSRP: N/A|Avg: $4

249%

#136

Phenom II X2 X640 BE

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

100%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

100%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

99%

#147

Atom N2800

MSRP: $47|Avg: $3

97%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom Z3735G

#4

Atom x5-Z8300

MSRP: $20|Avg: N/A

101%

#5

Atom Z3735G

MSRP: $17|Avg: N/A

100%

#6

Core i5-480M

MSRP: $81|Avg: $77

92%

#7

Core i5-460M

MSRP: $80|Avg: $129

91%

#8

Core i5-2540M

MSRP: $266|Avg: $10

91%

#10

Core i5-450M

MSRP: $32|Avg: $31

87%

#11

Core i3-380M

MSRP: $49|Avg: $25

84%

#12

Core i5-430M

MSRP: N/A|Avg: $33

84%

#13

Core 2 Duo T6600

MSRP: N/A|Avg: $4

81%

#17

Core i3-350M

MSRP: $130|Avg: $10

75%

#18

Atom x5-E8000

MSRP: $18|Avg: N/A

74%

#19

Core 2 Duo T5900

MSRP: N/A|Avg: $5

73%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Phenom II X2 X640 BE leads in gaming performance. However, the Atom Z3735G is the stronger candidate for professional workloads, offering 1.8% greater multi-core processing power.

Insight	Phenom II X2 X640 BE	Atom Z3735G
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($17)
Longevity	🛑 Legacy (Champlain (2010−2011) / 45 nm)	🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm)

💎 Value Proposition

Insight	Phenom II X2 X640 BE	Atom Z3735G
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($17)

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.

Phenom II X2 X640 BE Benchmark Check

Atom Z3735G Benchmark Check

Technical Specifications

Side-by-side comparison of Phenom II X2 X640 BE and Atom Z3735G

Phenom II X2 X640 BE

The Phenom II X2 X640 BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 3.2 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 2,839 points. Launch price was $149.

Atom Z3735G

The Atom Z3735G is manufactured by Intel. It was released in 9 April 2014 (11 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 1.83 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 22 nm process technology. Socket: UTFCBGA592. Thermal design power (TDP): 2 Watt. Memory support: DDR3. Passmark benchmark score: 2,891 points. Launch price was $17.

⚡

Processing Power

The Phenom II X2 X640 BE packs 2 cores / 2 threads, while the Atom Z3735G offers 4 cores / 4 threads — the Atom Z3735G has 2 more cores. Boost clocks reach 3.2 GHz on the Phenom II X2 X640 BE versus 1.83 GHz on the Atom Z3735G — a 54.5% clock advantage for the Phenom II X2 X640 BE. The Phenom II X2 X640 BE uses the Champlain (2010−2011) architecture (45 nm), while the Atom Z3735G uses Bay Trail-T (2013−2014) (22 nm). In PassMark, the Phenom II X2 X640 BE scores 2,839 against the Atom Z3735G's 2,891 — a 1.8% lead for the Atom Z3735G.

Feature	Phenom II X2 X640 BE	Atom Z3735G
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	3.2 GHz+75%	1.83 GHz
Base Clock	—	1.33 GHz
L3 Cache	—	2 MB L2 Cache
L2 Cache	2 MB	2 MB
Process	45 nm	22 nm-51%
Architecture	Champlain (2010−2011)	Bay Trail-T (2013−2014)
PassMark	2,839	2,891+2%

🧠

Memory & Platform

The Phenom II X2 X640 BE uses the S1 socket (PCIe 2.0), while the Atom Z3735G uses UTFCBGA592 (PCIe 2.0) — making them incompatible on the same motherboard.