Atom Z3735G
VS
Phenom II X2 X640 BE

Atom Z3735G vs Phenom II X2 X640 BE

Intel

Atom Z3735G

4 Cores4 Thrd2 WWMax: 1.83 GHz2014
VS
AMD

Phenom II X2 X640 BE

2 Cores2 Thrd2 WWMax: 3.2 GHz2011

Performance Spectrum - CPU

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 Z3735G is positioned at rank 5 and the Phenom II X2 X640 BE is on rank 136, 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 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 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 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.
InsightAtom Z3735GPhenom II X2 X640 BE
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($17)
More affordable ($0)
Longevity
🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm)
🛑 Legacy (Champlain (2010−2011) / 45 nm)

💎 Value Proposition

InsightAtom Z3735GPhenom II X2 X640 BE
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($17)
More affordable ($0)

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.

Technical Specifications

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

Intel

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.

AMD

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.

Processing Power

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

FeatureAtom Z3735GPhenom II X2 X640 BE
Cores / Threads
4 / 4+100%
2 / 2
Boost Clock
1.83 GHz
3.2 GHz+75%
Base Clock
1.33 GHz
L3 Cache
2 MB L2 Cache
L2 Cache
2 MB
2 MB
Process
22 nm-51%
45 nm
Architecture
Bay Trail-T (2013−2014)
Champlain (2010−2011)
PassMark
2,891+2%
2,839
🧠

Memory & Platform

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

FeatureAtom Z3735GPhenom II X2 X640 BE
Socket
UTFCBGA592
S1
PCIe Generation
PCIe 2.0
PCIe 2.0
Max RAM Speed
DDR3L-RS 1333
Max RAM Capacity
1 GB
RAM Channels
1
ECC Support
PCIe Lanes
0
🔧

Advanced Features

The Atom Z3735G includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Phenom II X2 X640 BE requires a dedicated GPU.

FeatureAtom Z3735GPhenom II X2 X640 BE
Integrated GPU
Yes
IGPU Model
Intel HD Graphics (Bay Trail)