Core 2 Duo T9900
CPU·Budget

Core 2 Duo T9900

Intel

PassMark

1,204

2 June 2009 (16 years ago)
35 Watt
Penryn (2008−2011)

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 Core 2 Duo T9900 is manufactured by Intel. It was released in 2 June 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 3.06 GHz, with boost up to 0.07 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,204 points. Launch price was $530.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Core 2 Duo T9900 is positioned at rank #635 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 Core 2 Duo T9900

#187
Core Ultra 9 288V
MSRP: $600|Avg: $600
98%
#188
Core i7-10870H
MSRP: $417|Avg: N/A
98%
#623
Atom x5-Z8300
MSRP: $20|Avg: N/A
853%
#624
Atom Z3735G
MSRP: $17|Avg: N/A
840%
#625
Core i5-480M
MSRP: $81|Avg: $77
772%
#626
Core i5-460M
MSRP: $80|Avg: $129
768%
#627
Core i5-2540M
MSRP: $266|Avg: $10
761%
#629
Core i5-450M
MSRP: $32|Avg: $31
735%
#630
Core i3-380M
MSRP: $49|Avg: $25
705%
#631
Core i5-430M
MSRP: N/A|Avg: $33
703%
#632
Core 2 Duo T6600
MSRP: N/A|Avg: $4
685%
#635
Core 2 Duo T9900
MSRP: N/A|Avg: N/A
100%
#638
Celeron Dual-Core T1400
MSRP: $80|Avg: $10
99%
#650
Core i5-1345UE
MSRP: $312|Avg: $312
96%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Core 2 Duo T9900 specifications and capabilities.

Processing Power

The Core 2 Duo T9900 is a 2-core / 2-thread processor based on the Penryn (2008−2011) architecture, manufactured on a 45 nm process node. It reaches a maximum boost clock of 0.07 GHz from a base frequency of 3.06 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 6 MB L2 Cache of L3 cache, plus 6 MB (total) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,204, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationCore 2 Duo T9900
Cores / ThreadsPhysical/logical processing units2C / 2T
Max Boost ClockPeak single-core speed under boost0.07 GHz
Base ClockGuaranteed minimum operating frequency3.06 GHz
ArchitectureCPU microarchitecture designPenryn (2008−2011)
Process NodeFabrication technology — smaller = more efficient45 nm
L3 CacheShared cache — reduces memory latency for all cores6 MB L2 Cache
L2 CachePer-core fast cache for frequently accessed data6 MB (total)
L1 CacheUltra-fast per-core cache64 kB (per core)
Die SizePhysical silicon area of the processor107 mm2
Transistor CountMore transistors = more capabilities410 million
Bus SpeedData bus frequency1066 MHz
Max TemperatureMaximum safe operating temperature (Tjmax)105 °C
64-bit SupportYes
Windows 11 CompatibleNo
Core Voltage Range1.05V-1.2125V
PassMark ScoreOverall multi-threaded benchmark score1,204
🧠

Memory & Platform

The Core 2 Duo T9900 fits into the PGA478 socket and supports PCIe 1.1. It supports DDR2, DDR3 memory.

SpecificationCore 2 Duo T9900
TypeDesktop or Laptop processorLaptop
SeriesProduct familyIntel Core 2 Duo
SocketMotherboard socket requiredPGA478
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 1.1
RAM TypeSupported memory standardDDR2, DDR3
Max CPUs in ConfigMulti-socket support for servers1
🌡️

Power & Cooling

The Core 2 Duo T9900 has a rated TDP (Thermal Design Power) of 35 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationCore 2 Duo T9900
TDPThermal Design Power — heat output under sustained workload35 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)105 °C
💰

Value Analysis

It currently holds Rank #635 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2945 out of all indexed processors.

SpecificationCore 2 Duo T9900
Launch PriceOriginal retail price at launch$530
Cost-Benefit RankPosition in overall value ranking#635
Performance RankPosition in overall performance ranking#2945
Release DateLaunch date2 June 2009 (16 years ago)
Release Year2009
DesignerArchitecture designer (e.g. Intel, AMD)Intel
ManufacturerFabrication foundry (e.g. TSMC)Intel

Our Recommendation for Core 2 Duo T9900

Suggested pairings based on performance balance

Compare Core 2 Duo T9900

See how this CPU stacks up against similar alternatives

Compare with other CPUs