Phenom X4 9600B
VS
Core 2 Duo T5550

Phenom X4 9600B vs Core 2 Duo T5550

AMD

Phenom X4 9600B

4 Cores4 Thrd95 WWMax: 2.3 GHz2008
VS
Intel

Core 2 Duo T5550

2 Cores2 Thrd2 WWMax: 1.83 GHz2008

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 Phenom X4 9600B is positioned at rank 1055 and the Core 2 Duo T5550 is on rank 23, so the Core 2 Duo T5550 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 Phenom X4 9600B

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
47016%
#2
Core i9-10900T
MSRP: $120|Avg: $5
44425%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
32256%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
9717%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
7697%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
6734%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
3857%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
3806%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
3466%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
3465%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
3427%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
3334%
#13
Core i3-9100E
MSRP: $202|Avg: $30
3288%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
3274%
#15
Core i3-8300T
MSRP: $138|Avg: $25
3245%
#1054
Pentium D 940
MSRP: $132|Avg: $15
100%
#1055
Phenom X4 9600B
MSRP: $278|Avg: $20
100%
#1056
Phenom II X3 B77
MSRP: $281|Avg: $35
99%
#1057
Core 2 Duo E6300
MSRP: $163|Avg: $5
98%
#1058
Core 2 Duo E6400
MSRP: $183|Avg: $10
97%
#1059
Core 2 Duo E8300
MSRP: $163|Avg: $20
96%
#1060
Phenom X4 9500
MSRP: $247|Avg: $30
95%
#1061
Celeron D 352
MSRP: $69|Avg: $15
91%
#1062
Core i7-970
MSRP: $1083|Avg: $289
91%
#1063
Core i7-880
MSRP: $583|Avg: $40
89%
#1064
Pentium D 820
MSRP: $241|Avg: $20
88%
#1065
Celeron 2.10
MSRP: $49|Avg: $49
88%
#1066
Core i7-950
MSRP: $562|Avg: $15
87%
#1067
Sempron 3100+
MSRP: $65|Avg: $15
86%
#1068
Athlon II X4 635
MSRP: $400|Avg: $250
85%
#1069
Core 2 Duo E6750
MSRP: $183|Avg: $15
85%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo T5550

#11
Atom x5-Z8300
MSRP: $20|Avg: N/A
161%
#12
Atom Z3735G
MSRP: $17|Avg: N/A
158%
#13
Core i5-480M
MSRP: $81|Avg: $77
145%
#14
Core i5-460M
MSRP: $80|Avg: $129
145%
#15
Core i5-2540M
MSRP: $266|Avg: $10
143%
#17
Core i5-450M
MSRP: $32|Avg: $31
138%
#18
Core i3-380M
MSRP: $49|Avg: $25
133%
#19
Core i5-430M
MSRP: N/A|Avg: $33
133%
#20
Core 2 Duo T6600
MSRP: N/A|Avg: $4
129%
#23
Core 2 Duo T5550
MSRP: N/A|Avg: $5
100%
#24
Core 2 Duo T7100
MSRP: $197|Avg: $15
100%
#27
Pentium 2030M
MSRP: $134|Avg: N/A
96%
#28
Core 2 Duo T5750
MSRP: N/A|Avg: $8
95%
#29
Core 2 Duo T7200
MSRP: $286|Avg: $6
94%
#30
Core i5-3230M
MSRP: $225|Avg: $13
94%
#31
Atom D525
MSRP: $63|Avg: N/A
93%
#32
Atom x7835RE
MSRP: $127|Avg: N/A
93%
#33
Core 2 Duo P8400
MSRP: $209|Avg: $10
91%
#38
Core 2 Duo T8100
MSRP: $209|Avg: $10
85%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Phenom X4 9600B delivers superior performance across the board. It outperforms the Core 2 Duo T5550 in both compute-intensive tasks (0.9% faster) and gaming workloads.
InsightPhenom X4 9600BCore 2 Duo T5550
Gaming
Superior gaming performance
Lower gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($20)
More affordable ($5)
Longevity
🛑 Legacy (Agena (2007−2008) / 65 nm)
🛑 Legacy (Merom (2006−2008) / 65 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the Core 2 Duo T5550 holds the technical lead in efficiency. Priced at $5 (vs $20), it costs 75% less. While offering basic entry-level performance, it results in a 297% higher cost efficiency score compared to the Phenom X4 9600B.
InsightPhenom X4 9600BCore 2 Duo T5550
Cost Efficiency
Lower cost efficiency
Better overall value (+297%)
Upfront Cost
⚠️ Higher cost ($20)
More affordable ($5)

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 Phenom X4 9600B and Core 2 Duo T5550

AMD

Phenom X4 9600B

The Phenom X4 9600B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.3 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,842 points. Launch price was $149.

Intel

Core 2 Duo T5550

The Core 2 Duo T5550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,826 points. Launch price was $249.

Processing Power

The Phenom X4 9600B packs 4 cores / 4 threads, while the Core 2 Duo T5550 offers 2 cores / 2 threads — the Phenom X4 9600B has 2 more cores. Boost clocks reach 2.3 GHz on the Phenom X4 9600B versus 1.83 GHz on the Core 2 Duo T5550 — a 22.8% clock advantage for the Phenom X4 9600B. The Phenom X4 9600B uses the Agena (2007−2008) architecture (65 nm), while the Core 2 Duo T5550 uses Merom (2006−2008) (65 nm). In PassMark, the Phenom X4 9600B scores 1,842 against the Core 2 Duo T5550's 1,826 — a 0.9% lead for the Phenom X4 9600B. L3 cache: 2 MB (total) on the Phenom X4 9600B vs 2 MB L2 Cache on the Core 2 Duo T5550.

FeaturePhenom X4 9600BCore 2 Duo T5550
Cores / Threads
4 / 4+100%
2 / 2
Boost Clock
2.3 GHz+26%
1.83 GHz
Base Clock
1.83 GHz
L3 Cache
2 MB (total)
2 MB L2 Cache
L2 Cache
512 kB (per core)
2 MB+300%
Process
65 nm
65 nm
Architecture
Agena (2007−2008)
Merom (2006−2008)
PassMark
1,842
1,826
🧠

Memory & Platform

The Phenom X4 9600B uses the AM2+ socket (PCIe 2.0), while the Core 2 Duo T5550 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

FeaturePhenom X4 9600BCore 2 Duo T5550
Socket
AM2+
PGA478
PCIe Generation
PCIe 2.0+82%
PCIe 1.1
Max RAM Speed
DDR2-1066
Max RAM Capacity
16 GB
RAM Channels
2
ECC Support
PCIe Lanes
0
🔧

Advanced Features

Virtualization: AMD-V (Phenom X4 9600B) / not specified (Core 2 Duo T5550). Primary use case: Phenom X4 9600B targets Business.

FeaturePhenom X4 9600BCore 2 Duo T5550
Integrated GPU
No
Unlocked
No
AVX-512
No
Virtualization
AMD-V
Target Use
Business
💰

Value Analysis

At current prices ($20 vs $5), the Core 2 Duo T5550 is $15 cheaper. In terms of value (PassMark points per dollar), the Phenom X4 9600B delivers 92.1 pts/$ vs 365.2 pts/$ for the Core 2 Duo T5550 — making the Core 2 Duo T5550 the 119.4% better value option.

FeaturePhenom X4 9600BCore 2 Duo T5550
MSRP
$278
Avg Price (30d)
$20
$5-75%
Performance per Dollar
92.1
365.2+297%
Release Date
2008
2008