Core 2 Duo SU9300 vs Core 2 Duo E6550

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 Core 2 Duo SU9300 is positioned at rank 143 and the Core 2 Duo E6550 is on rank 1022, so the Core 2 Duo SU9300 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 Core 2 Duo SU9300

#36

Core i5-11500B

MSRP: $185|Avg: $185

99%

#131

Atom x5-Z8300

MSRP: $20|Avg: N/A

316%

#132

Atom Z3735G

MSRP: $17|Avg: N/A

312%

#133

Core i5-480M

MSRP: $81|Avg: $77

286%

#134

Core i5-460M

MSRP: $80|Avg: $129

285%

#135

Core i5-2540M

MSRP: $266|Avg: $10

282%

#137

Core i5-450M

MSRP: $32|Avg: $31

272%

#138

Core i3-380M

MSRP: $49|Avg: $25

261%

#139

Core i5-430M

MSRP: N/A|Avg: $33

261%

#140

Core 2 Duo T6600

MSRP: N/A|Avg: $4

254%

#143

Core 2 Duo SU9300

MSRP: N/A|Avg: N/A

100%

#147

Atom N2800

MSRP: $47|Avg: $3

99%

#158

Core i5-3210M

MSRP: $225|Avg: $30

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo E6550

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

36415%

#2

Core i9-10900T

MSRP: $120|Avg: $5

34409%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

24984%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

7527%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

5962%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

5215%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

2987%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

2948%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

2684%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

2684%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

2654%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

2582%

#13

Core i3-9100E

MSRP: $202|Avg: $30

2546%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

2536%

#15

Core i3-8300T

MSRP: $138|Avg: $25

2513%

#396

Ryzen Embedded R2314

MSRP: $300|Avg: $762

90%

#1022

Core 2 Duo E6550

MSRP: $163|Avg: $20

100%

#1023

Phenom X3 8450

MSRP: $145|Avg: $147

98%

#1024

Core i7-3960X

MSRP: $999|Avg: $60

98%

#1025

Celeron 2.70

MSRP: $49|Avg: $49

97%

#1027

A10 PRO-7850B

MSRP: $426|Avg: $140

94%

#1028

Core 2 Quad Q8200

MSRP: $224|Avg: $36

94%

#1029

A12-9800E

MSRP: $426|Avg: $150

94%

#1030

Phenom II X6 1065T

MSRP: $426|Avg: $170

94%

#1031

Celeron 440

MSRP: $59|Avg: $10

93%

#1032

A8-3820

MSRP: $280|Avg: $200

91%

#1033

Core i7-860S

MSRP: $299|Avg: $96

91%

#1035

PRO A10-8770E

MSRP: $395|Avg: $210

89%

#1036

Core 2 Duo E4700

MSRP: $133|Avg: $10

89%

#1037

Athlon 64 X2 5800+

MSRP: $230|Avg: $20

89%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Core 2 Duo E6550 delivers superior performance across the board. It outperforms the Core 2 Duo SU9300 in both compute-intensive tasks (0.2% faster) and gaming workloads.

Insight	Core 2 Duo SU9300	Core 2 Duo E6550
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($20)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	🛑 Legacy (Conroe (2006−2007) / 65 nm)

💎 Value Proposition

Insight	Core 2 Duo SU9300	Core 2 Duo E6550
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($20)

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.

Core 2 Duo SU9300 Benchmark Check

Core 2 Duo E6550 Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core 2 Duo SU9300 and Core 2 Duo E6550

Core 2 Duo SU9300

The Core 2 Duo SU9300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,392 points. Launch price was $249.

Core 2 Duo E6550

The Core 2 Duo E6550 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.33 GHz, with boost up to 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,395 points. Launch price was $249.

⚡

Processing Power

Both the Core 2 Duo SU9300 and Core 2 Duo E6550 share an identical 2-core/2-thread configuration. Boost clocks reach 1.2 GHz on the Core 2 Duo SU9300 versus 2.33 GHz on the Core 2 Duo E6550 — a 64% clock advantage for the Core 2 Duo E6550 (base: 1.2 GHz vs 2.33 GHz). The Core 2 Duo SU9300 uses the Penryn (2008−2011) architecture (45 nm), while the Core 2 Duo E6550 uses Conroe (2006−2007) (65 nm). In PassMark, the Core 2 Duo SU9300 scores 1,392 against the Core 2 Duo E6550's 1,395 — a 0.2% lead for the Core 2 Duo E6550. L3 cache: 3 MB L2 Cache on the Core 2 Duo SU9300 vs 0 kB on the Core 2 Duo E6550.

Feature	Core 2 Duo SU9300	Core 2 Duo E6550
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.2 GHz	2.33 GHz+94%
Base Clock	1.2 GHz	2.33 GHz+94%
L3 Cache	3 MB L2 Cache	0 kB
L2 Cache	3 MB	4 MB+33%
Process	45 nm-31%	65 nm
Architecture	Penryn (2008−2011)	Conroe (2006−2007)
PassMark	1,392	1,395

🧠

Memory & Platform

The Core 2 Duo SU9300 uses the BGA956 socket (PCIe 1.1), while the Core 2 Duo E6550 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core 2 Duo SU9300	Core 2 Duo E6550
Socket	BGA956	LGA775
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	—	1333
Max RAM Capacity	—	16
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Core 2 Duo SU9300) / true (Core 2 Duo E6550). Direct competitor: Core 2 Duo E6550 rivals Athlon 64 X2 6000+.