Athlon II X4 640
CPU·Budget

Athlon II X4 640

AMD

PassMark

2,266

MSRP

$80

AVG Price

$15

11 May 2010 (15 years ago)
95 Watt
Propus (2009−2011)

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.

Overview

The Athlon II X4 640 is manufactured by AMD. It was released in 11 May 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,266 points. Launch price was $80.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Athlon II X4 640 is positioned at rank #621 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 II X4 640

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
11003%
#2
Core i9-10900T
MSRP: $120|Avg: $5
10397%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
7549%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
2274%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
1801%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
1576%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
903%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
891%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
811%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
811%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
802%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
780%
#13
Core i3-9100E
MSRP: $202|Avg: $30
769%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
766%
#15
Core i3-8300T
MSRP: $138|Avg: $25
759%
#283
Ryzen Threadripper 1920
MSRP: $799|Avg: $200
97%
#284
Ryzen Threadripper 1950X
MSRP: $999|Avg: $300
97%
#384
Ryzen Threadripper 3990X
MSRP: $3990|Avg: $2850
99%
#385
Celeron G4900
MSRP: $42|Avg: $85
98%
#386
Ryzen Embedded V3C18I
MSRP: $500|Avg: $500
98%
#621
Athlon II X4 640
MSRP: $80|Avg: $15
100%
#622
Celeron G540
MSRP: $42|Avg: $10
99%
#624
Core i5-4590
MSRP: $192|Avg: $51
99%
#625
Celeron G440
MSRP: $37|Avg: $5
99%
#628
A8-7670K
MSRP: $118|Avg: $43
98%
#629
Core i3-8350K
MSRP: $250|Avg: $250
98%
#630
Core i3-6320
MSRP: $160|Avg: $35
98%
#632
Pentium G3258
MSRP: $75|Avg: $72
97%
#634
Celeron G555
MSRP: $52|Avg: $15
97%
#635
Celeron G530
MSRP: $42|Avg: $10
96%
#636
Core i3-7350K
MSRP: $179|Avg: $45
96%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Athlon II X4 640 specifications and capabilities.

Processing Power

The Athlon II X4 640 is a 4-core / 4-thread processor based on the Propus (2009−2011) architecture, manufactured on a 45 nm process node. It reaches a maximum boost clock of 3 GHz from a base frequency of 3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 512 kB (per core) of L2 cache and 128 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 2,266, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 386, while multi-core reaches 1,332. Cinebench R23 multi-core (measuring sustained rendering workload performance) scores 1,471.

SpecificationAthlon II X4 640
Cores / ThreadsPhysical/logical processing units4C / 4T
Max Boost ClockPeak single-core speed under boost3 GHz
Base ClockGuaranteed minimum operating frequency3 GHz
ArchitectureCPU microarchitecture designPropus (2009−2011)
Process NodeFabrication technology — smaller = more efficient45 nm
L3 CacheShared cache — reduces memory latency for all cores0 kB
L2 CachePer-core fast cache for frequently accessed data512 kB (per core)
L1 CacheUltra-fast per-core cache128 kB (per core)
Die SizePhysical silicon area of the processor169 mm2
Transistor CountMore transistors = more capabilities300 million
64-bit SupportYes
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score2,266
Cinebench R23 MultiSustained multi-core rendering performance1,471
Geekbench 6 SingleSingle-core performance — most relevant for gaming386
Geekbench 6 MultiMulti-core parallel workload performance1,332
🧠

Memory & Platform

The Athlon II X4 640 fits into the AM3 socket and supports PCIe 2.0 with 16 total PCIe lanes for expansion cards and storage. It supports DDR3 memory at speeds up to DDR3-1333 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 16 GB across 2 channels (dual-channel doubles bandwidth).

SpecificationAthlon II X4 640
TypeDesktop or Laptop processordesktop
SocketMotherboard socket requiredAM3
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 2.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion16
RAM TypeSupported memory standardDDR3
Max RAM SpeedMaximum officially supported memory frequencyDDR3-1333
Max RAM CapacityMaximum installable memory16 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorNo
Compatible ChipsetsMotherboard chipsets that support this CPUAM2+,AM3
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

The Athlon II X4 640 is primarily designed for Budget. Virtualization: AMD-V — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Core 2 Quad Q8300.

SpecificationAthlon II X4 640
Primary Use CaseIntended workload categoryBudget
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyAMD-V
Direct CompetitorMarket equivalent from rival manufacturerCore 2 Quad Q8300
🌡️

Power & Cooling

The Athlon II X4 640 has a rated TDP (Thermal Design Power) of 95 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the Yes stock cooler. Recommended cooling: Stock.

SpecificationAthlon II X4 640
TDPThermal Design Power — heat output under sustained workload95 Watt
Included CoolerStock cooler bundled in the boxYes
Recommended CoolerSuggested aftermarket cooling solutionStock
💰

Value Analysis

At an average price of $15 (MSRP: $80), the Athlon II X4 640 delivers 151 PassMark points per dollar. It currently holds Rank #621 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2477 out of all indexed processors.

SpecificationAthlon II X4 640
MSRPManufacturer's Suggested Retail Price$80
Avg Price (30d)Average market price over the last 30 days$15
Launch PriceOriginal retail price at launch$80
Cost-Benefit RankPosition in overall value ranking#621
Performance RankPosition in overall performance ranking#2477
Release DateLaunch date11 May 2010 (15 years ago)
Release Year2010
DesignerArchitecture designer (e.g. Intel, AMD)AMD

Our Recommendation for Athlon II X4 640

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