Core 2 Duo T6600 vs Celeron G5905T

Core 2 Duo T6600

2 Cores2 Thrd2 WWMax: 2.2 GHz2009

Celeron G5905T

2 Cores2 Thrd35 WW2020

Performance Spectrum - CPU

Core 2 Duo T6600

2 / 2

2,355

0.0%

2,356

0.0%

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. The Core 2 Duo T6600 is positioned at rank #13 in our cost-efficiency ranking, representing a Excellent 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 Core 2 Duo T6600

Atom x5-Z8300

MSRP: $20|Avg: N/A

125%

Atom Z3735G

MSRP: $17|Avg: N/A

123%

Core i5-480M

MSRP: $81|Avg: $77

113%

Core i5-460M

MSRP: $80|Avg: $129

112%

Core i5-2540M

MSRP: $266|Avg: $10

111%

#10

Core i5-450M

MSRP: $32|Avg: $31

107%

#11

Core i3-380M

MSRP: $49|Avg: $25

103%

#12

Core i5-430M

MSRP: N/A|Avg: $33

103%

#13

Core 2 Duo T6600

MSRP: N/A|Avg: $4

100%

#17

Core i3-350M

MSRP: $130|Avg: $10

92%

#18

Atom x5-E8000

MSRP: $18|Avg: N/A

91%

#19

Core 2 Duo T5900

MSRP: N/A|Avg: $5

90%

#22

Core i3-3130M

MSRP: $225|Avg: N/A

81%

#23

Core 2 Duo T5550

MSRP: N/A|Avg: $5

78%

#24

Core 2 Duo T7100

MSRP: $197|Avg: $15

77%

#27

Pentium 2030M

MSRP: $134|Avg: N/A

74%

#28

Core 2 Duo T5750

MSRP: N/A|Avg: $8

74%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron G5905T

#332

Celeron G4930T

MSRP: $42|Avg: $42

116%

#333

Core i9-9920X

MSRP: $1189|Avg: $464

114%

#334

Core i3-9100

MSRP: $122|Avg: $125

112%

#335

Core i9-10900X

MSRP: $590|Avg: $425

112%

#336

Core i7-8700T

MSRP: $303|Avg: $196

111%

#337

Ryzen 5 3600XT

MSRP: $249|Avg: $357

110%

#338

Core i9-10980XE

MSRP: $979|Avg: $620

110%

#339

Core i5-8500T

MSRP: $192|Avg: $149

110%

#340

Core i9-9900KF

MSRP: $488|Avg: $350

109%

#341

Ryzen Embedded V2748

MSRP: $309|Avg: $359

109%

#342

Core i3-9350K

MSRP: $184|Avg: $150

107%

#343

Athlon Gold PRO 3150G

MSRP: $150|Avg: $150

106%

#344

Core i9-9900

MSRP: $423|Avg: $330

104%

#345

Core i9-9980XE

MSRP: $1979|Avg: $593

104%

#346

Core i7-10700K

MSRP: $387|Avg: $380

104%

#347

Celeron G5905T

MSRP: $50|Avg: $50

100%

#348

Athlon PRO 200GE

MSRP: $55|Avg: $81

100%

#349

Core i5-9600

MSRP: $224|Avg: $219

100%

#350

Core i3-8300

MSRP: $138|Avg: $136

99%

#351

Core i5-8500B

MSRP: $192|Avg: $192

98%

#352

Core i7-13700TE

MSRP: $390|Avg: $476

98%

#353

Core i9-11900T

MSRP: $439|Avg: $413

96%

#354

Ryzen Threadripper 7970X

MSRP: $2499|Avg: $2200

96%

#355

Core i9-10900

MSRP: $483|Avg: $426

95%

#356

Ryzen Embedded V1605B

MSRP: $150|Avg: $150

95%

#357

Core i9-10900K

MSRP: $499|Avg: $500

95%

#358

Celeron G4930

MSRP: $42|Avg: $57

95%

#359

Ryzen 7 2700E

MSRP: $329|Avg: $329

95%

#360

Ryzen Embedded V2516

MSRP: $300|Avg: $300

94%

#361

Ryzen Threadripper 9970X

MSRP: $2499|Avg: $2442

94%

#362

Core i9-14901E

MSRP: $557|Avg: $689

93%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Celeron G5905T (2020) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Core 2 Duo T6600	Celeron G5905T
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($4)	⚠️ Higher cost ($50)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	✨ Modern (Legacy / 14 nm)

💎 Value Proposition

The Core 2 Duo T6600 (2009) relies on 45 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo T6600	Celeron G5905T
Cost Efficiency	✅ Better overall value (+1149%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($4)	⚠️ Higher cost ($50)

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 T6600 Benchmark Check

Celeron G5905T Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo T6600 and Celeron G5905T

Core 2 Duo T6600

The Core 2 Duo T6600 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 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,355 points. Launch price was $249.

Celeron G5905T

The Celeron G5905T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 3.3 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 2,356 points. Launch price was $69.

⚡

Processing Power

Both the Core 2 Duo T6600 and Celeron G5905T share an identical 2-core/2-thread configuration. The Core 2 Duo T6600 is built on the Penryn (2008−2011) architecture. In PassMark, the Core 2 Duo T6600 scores 2,355 against the Celeron G5905T's 2,356 — a 0% lead for the Celeron G5905T. Geekbench 6 single-core — the metric most relevant to gaming — records 200 vs 748, a 115.6% lead for the Celeron G5905T that directly translates to higher frame rates. Multi-core Geekbench: 350 vs 750 (72.7% advantage for the Celeron G5905T). L3 cache: 2 MB L2 Cache on the Core 2 Duo T6600 vs 4 MB Intel® Smart Cache on the Celeron G5905T.

Feature	Core 2 Duo T6600	Celeron G5905T
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.2 GHz	—
Base Clock	2.2 GHz	3.3 GHz+50%
L3 Cache	2 MB L2 Cache	4 MB Intel® Smart Cache+100%
L2 Cache	2 MB	—
Process	45 nm	14 nm-69%
Architecture	Penryn (2008−2011)	—
PassMark	2,355	2,356
Geekbench 6 Single	200	748+274%
Geekbench 6 Multi	350	750+114%

🧠

Memory & Platform

The Core 2 Duo T6600 uses the PGA478 socket (PCIe 1.1), while the Celeron G5905T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Core 2 Duo T6600 versus DDR4-2666 on the Celeron G5905T — the Celeron G5905T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G5905T supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T6600) vs 16 (Celeron G5905T) — the Celeron G5905T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GM45,PM45 (Core 2 Duo T6600) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Celeron G5905T).

Feature	Core 2 Duo T6600	Celeron G5905T
Socket	PGA478	LGA1200
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR3-800	DDR4-2666+33%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	2	2
ECC Support	❌	✅
PCIe Lanes	0	16

🔧

Advanced Features

Neither processor supports overclocking. Both support VT-x virtualization. The Celeron G5905T includes integrated graphics (UHD Graphics 610), while the Core 2 Duo T6600 requires a dedicated GPU. Primary use case: Core 2 Duo T6600 targets Legacy Laptop, Celeron G5905T targets Budget. Direct competitor: Celeron G5905T rivals Pentium Gold G6405T.

Feature	Core 2 Duo T6600	Celeron G5905T
Integrated GPU	No	Yes
IGPU Model	None	UHD Graphics 610
Unlocked	No	No
AVX-512	No	No
Virtualization	VT-x	VT-x
Target Use	Legacy Laptop	Budget

💰

Value Analysis

At current prices ($4 vs $50), the Core 2 Duo T6600 is $46 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo T6600 delivers 588.8 pts/$ vs 47.1 pts/$ for the Celeron G5905T — making the Core 2 Duo T6600 the 170.4% better value option.