Phenom II X2 B53
CPU·Budget

Phenom II X2 B53

AMD

PassMark

1,137

MSRP

$150

AVG Price

$15

2009-01-01
80 Watt
Callisto (2009−2010)

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 Phenom II X2 B53 is manufactured by AMD. It was released in 2009-01-01. It is based on the Callisto (2009−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,137 points. Launch price was $149.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Phenom II X2 B53 is positioned at rank #1038 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 Phenom II X2 B53

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
41123%
#2
Core i9-10900T
MSRP: $120|Avg: $5
38858%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
28214%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
8500%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
6733%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
5890%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
3373%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
3329%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
3031%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
3031%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
2997%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
2916%
#13
Core i3-9100E
MSRP: $202|Avg: $30
2876%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
2864%
#15
Core i3-8300T
MSRP: $138|Avg: $25
2838%
#1038
Phenom II X2 B53
MSRP: $150|Avg: $15
100%
#1039
Core 2 Quad Q9300
MSRP: $266|Avg: $27
100%
#1040
Athlon II X4 638
MSRP: $300|Avg: $280
99%
#1041
Core 2 Duo E7200
MSRP: $133|Avg: $133
99%
#1043
Phenom X3 8750
MSRP: $195|Avg: $20
98%
#1044
Pentium G4400TE
MSRP: $300|Avg: $250
96%
#1045
Celeron 2.60
MSRP: $53|Avg: $10
96%
#1046
Core i7-990X
MSRP: $999|Avg: $225
94%
#1047
Phenom X4 9750B
MSRP: $215|Avg: $34
93%
#1048
Core 2 Duo E8200
MSRP: $163|Avg: $20
93%
#1049
Core 2 Quad Q9450
MSRP: $316|Avg: $15
92%
#1050
Core 2 Duo E8600
MSRP: $200|Avg: $95
91%
#1051
Core 2 Duo E6320
MSRP: $163|Avg: $5
90%
#1052
Core i7-980X
MSRP: $999|Avg: $150
90%
#1053
Athlon 64 X2 3600+
MSRP: $150|Avg: $10
90%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Phenom II X2 B53 specifications and capabilities.

Processing Power

The Phenom II X2 B53 is a 2-core / 2-thread processor based on the Callisto (2009−2010) architecture, manufactured on a 45 nm process node. It reaches a maximum boost clock of 2.8 GHz from a base frequency of 2.8 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 6 MB (total) 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 1,137, 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 300, while multi-core reaches 550.

SpecificationPhenom II X2 B53
Cores / ThreadsPhysical/logical processing units2C / 2T
Max Boost ClockPeak single-core speed under boost2.8 GHz
Base ClockGuaranteed minimum operating frequency2.8 GHz
ArchitectureCPU microarchitecture designCallisto (2009−2010)
Process NodeFabrication technology — smaller = more efficient45 nm
L3 CacheShared cache — reduces memory latency for all cores6 MB (total)
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 processor258 mm2
Transistor CountMore transistors = more capabilities758 million
64-bit SupportYes
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score1,137
Geekbench 6 SingleSingle-core performance — most relevant for gaming300
Geekbench 6 MultiMulti-core parallel workload performance550
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Memory & Platform

The Phenom II X2 B53 fits into the AM3 socket and supports PCIe 2.0 with 0 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). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers.

SpecificationPhenom II X2 B53
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 expansion0
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 corruptionYes
Integrated GPUBuilt-in graphics processorNo
Compatible ChipsetsMotherboard chipsets that support this CPUAM3,AM2+
Max CPUs in ConfigMulti-socket support for servers1
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Advanced Features

Virtualization: Yes — enables running virtual machines efficiently (important for development and server workloads).

SpecificationPhenom II X2 B53
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyYes
🌡️

Power & Cooling

The Phenom II X2 B53 has a rated TDP (Thermal Design Power) of 80 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately.

SpecificationPhenom II X2 B53
TDPThermal Design Power — heat output under sustained workload80 Watt
Included CoolerStock cooler bundled in the boxNo
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Value Analysis

At an average price of $15 (MSRP: $150), the Phenom II X2 B53 delivers 76 PassMark points per dollar. It currently holds Rank #1038 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2994 out of all indexed processors.

SpecificationPhenom II X2 B53
MSRPManufacturer's Suggested Retail Price$150
Avg Price (30d)Average market price over the last 30 days$15
Launch PriceOriginal retail price at launch$149
Cost-Benefit RankPosition in overall value ranking#1038
Performance RankPosition in overall performance ranking#2994
Release DateLaunch date2009-01-01
Release Year2009
DesignerArchitecture designer (e.g. Intel, AMD)AMD
ManufacturerFabrication foundry (e.g. TSMC)GlobalFoundries

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