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.

Overview

The Athlon X2 QL-66 is manufactured by AMD. It was released in 2009-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,695 points. Launch price was $149.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Athlon X2 QL-66 is positioned at rank #1048 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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

Performance Per Dollar Athlon X2 QL-66

#1036

Atom x5-Z8300

MSRP: $20|Avg: N/A

2596%

#1037

Atom Z3735G

MSRP: $17|Avg: N/A

2558%

#1038

Core i5-480M

MSRP: $81|Avg: $77

2349%

#1039

Core i5-460M

MSRP: $80|Avg: $129

2338%

#1040

Core i5-2540M

MSRP: $266|Avg: $10

2317%

#1042

Core i5-450M

MSRP: $32|Avg: $31

2237%

#1043

Core i3-380M

MSRP: $49|Avg: $25

2145%

#1044

Core i5-430M

MSRP: N/A|Avg: $33

2142%

#1045

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2084%

#1048

Athlon X2 QL-66

MSRP: $150|Avg: $5

100%

#1049

Athlon II Neo K145

MSRP: $50|Avg: $10

100%

#1050

Celeron P4600

MSRP: $86|Avg: $15

99%

#1051

Core 2 Duo U7500

MSRP: $100|Avg: $10

99%

#1052

Pentium 987

MSRP: $134|Avg: $20

98%

#1053

Core i7-4910MQ

MSRP: $570|Avg: $570

98%

#1054

Pentium T4400

MSRP: $107|Avg: $5

97%

#1056

Athlon X2 QL-65

MSRP: $150|Avg: $22

96%

#1057

Pentium J2850

MSRP: $94|Avg: $94

96%

#1058

Core i7-4900MQ

MSRP: $570|Avg: $40

95%

#1059

Celeron P4505

MSRP: $86|Avg: $86

94%

#1060

Pentium Dual Core T2370

MSRP: $150|Avg: $25

94%

#1061

Pentium T4200

MSRP: $99|Avg: $10

94%

#1062

Core i7-2720QM

MSRP: $378|Avg: N/A

94%

#1063

Pentium 2020M

MSRP: $134|Avg: N/A

93%

Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Athlon X2 QL-66 specifications and capabilities.

⚡

Processing Power

The Athlon X2 QL-66 is a 2-core / 2-thread processor based on the Lion (2008−2009) architecture, manufactured on a 65 nm process node. It reaches a maximum boost clock of 2.2 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,695, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Athlon X2 QL-66
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	2.2 GHz
ArchitectureCPU microarchitecture design	Lion (2008−2009)
Process NodeFabrication technology — smaller = more efficient	65 nm
L2 CachePer-core fast cache for frequently accessed data	1 MB
L1 CacheUltra-fast per-core cache	256 kB
Bus SpeedData bus frequency	3600 MHz
Max TemperatureMaximum safe operating temperature (Tjmax)	100 °C
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	1,695

🧠

Memory & Platform

The Athlon X2 QL-66 fits into the S1g2 socket and supports PCIe 2.0 with 0 total PCIe lanes for expansion cards and storage.

Specification	Athlon X2 QL-66
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	2x AMD Athlon
SocketMotherboard socket required	S1g2
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 2.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	0
Max RAM SpeedMaximum officially supported memory frequency	DDR2-667
Max RAM CapacityMaximum installable memory	8 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	No
Compatible ChipsetsMotherboard chipsets that support this CPU	AMD S1

🌡️

Power & Cooling

The Athlon X2 QL-66 has a rated TDP (Thermal Design Power) of 1 MB — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Athlon X2 QL-66
TDPThermal Design Power — heat output under sustained workload	1 MB
Max TemperatureMaximum safe junction temperature (Tjmax)	100 °C

💰

Value Analysis

At an average price of $5 (MSRP: $150), the Athlon X2 QL-66 delivers 339 PassMark points per dollar. It currently holds Rank #1048 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3288 out of all indexed processors.

Specification	Athlon X2 QL-66
MSRPManufacturer's Suggested Retail Price	$150
Avg Price (30d)Average market price over the last 30 days	$5
Launch PriceOriginal retail price at launch	$149
Cost-Benefit RankPosition in overall value ranking	#1048
Performance RankPosition in overall performance ranking	#3288
Release DateLaunch date	2009-01-01
Release Year	2009
DesignerArchitecture designer (e.g. Intel, AMD)	AMD