Athlon II X4 635
CPU·Budget

Athlon II X4 635

AMD

PassMark

2,248

MSRP

$400

AVG Price

$250

25 January 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 635 is manufactured by AMD. It was released in 25 January 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.9 GHz, with boost up to 2.9 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: 2,248 points. Launch price was $70.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Athlon II X4 635 is positioned at rank #1069 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 635

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
55465%
#2
Core i9-10900T
MSRP: $120|Avg: $5
52409%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
38053%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
11464%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
9081%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
7944%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
4550%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
4490%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
4089%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
4088%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
4043%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
3933%
#13
Core i3-9100E
MSRP: $202|Avg: $30
3878%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
3863%
#15
Core i3-8300T
MSRP: $138|Avg: $25
3828%
#1068
Core 2 Duo E6750
MSRP: $183|Avg: $15
100%
#1069
Athlon II X4 635
MSRP: $400|Avg: $250
100%
#1070
Core i7-940
MSRP: $562|Avg: $90
96%
#1071
Celeron 2.40
MSRP: $69|Avg: $13
89%
#1072
Sempron 2800+
MSRP: $65|Avg: $29
88%
#1073
Athlon 64 3100+
MSRP: $100|Avg: $15
85%
#1074
Sempron 3600+
MSRP: $105|Avg: $20
82%
#1075
Celeron 2.80
MSRP: $100|Avg: $15
76%
#1076
Athlon 64 X2 6000+
MSRP: $450|Avg: $20
72%
#1077
Athlon 64 3600+
MSRP: $149|Avg: $15
71%
#1078
Core 2 Quad Q6700
MSRP: $530|Avg: $50
70%
#1079
Athlon 64 2600+
MSRP: $100|Avg: $5
70%
#1080
Celeron 2.20
MSRP: $79|Avg: $15
69%
#1081
Athlon 64 X2 5200+
MSRP: $420|Avg: $15
64%
#1082
Athlon 64 X2 4000+
MSRP: $328|Avg: $10
64%
#1083
Core i7-975
MSRP: $999|Avg: $50
63%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Athlon II X4 635 specifications and capabilities.

Processing Power

The Athlon II X4 635 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 2.9 GHz from a base frequency of 2.9 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 2,248, 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 180, while multi-core reaches 550. Cinebench R23 multi-core (measuring sustained rendering workload performance) scores 658.

SpecificationAthlon II X4 635
Cores / ThreadsPhysical/logical processing units4C / 4T
Max Boost ClockPeak single-core speed under boost2.9 GHz
Base ClockGuaranteed minimum operating frequency2.9 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 score2,248
Cinebench R23 MultiSustained multi-core rendering performance658
Geekbench 6 SingleSingle-core performance — most relevant for gaming180
Geekbench 6 MultiMulti-core parallel workload performance550
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Memory & Platform

The Athlon II X4 635 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 / DDR2-1066 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 16 GB across 2 channels (dual-channel doubles bandwidth).

SpecificationAthlon II X4 635
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 / DDR2-1066
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 CPUAMD 770,785G,790FX,880G,890FX,970,990FX
Max CPUs in ConfigMulti-socket support for servers1
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Advanced Features

The Athlon II X4 635 is primarily designed for Budget. It features an unlocked multiplier, allowing enthusiasts to overclock beyond stock frequencies for additional performance. Virtualization: AMD-V — enables running virtual machines efficiently (important for development and server workloads).

SpecificationAthlon II X4 635
Primary Use CaseIntended workload categoryBudget
OverclockingWhether CPU clock can be manually increased✅ Unlocked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyAMD-V
🌡️

Power & Cooling

The Athlon II X4 635 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 635
TDPThermal Design Power — heat output under sustained workload95 Watt
Included CoolerStock cooler bundled in the boxYes
Recommended CoolerSuggested aftermarket cooling solutionStock
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Value Analysis

At an average price of $250 (MSRP: $400), the Athlon II X4 635 delivers 9 PassMark points per dollar. It currently holds Rank #1069 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2489 out of all indexed processors.

SpecificationAthlon II X4 635
MSRPManufacturer's Suggested Retail Price$400
Avg Price (30d)Average market price over the last 30 days$250
Launch PriceOriginal retail price at launch$70
Cost-Benefit RankPosition in overall value ranking#1069
Performance RankPosition in overall performance ranking#2489
Release DateLaunch date25 January 2010 (15 years ago)
Release Year2010
DesignerArchitecture designer (e.g. Intel, AMD)AMD

Our Recommendation for Athlon II X4 635

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