Core 2 Duo T9900 vs Pentium 997

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 T9900 is positioned at rank 635 and the Pentium 997 is on rank 1104, so the Core 2 Duo T9900 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 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.

Performance Per Dollar Pentium 997

#1092

Atom x5-Z8300

MSRP: $20|Avg: N/A

3235%

#1093

Atom Z3735G

MSRP: $17|Avg: N/A

3187%

#1094

Core i5-480M

MSRP: $81|Avg: $77

2926%

#1095

Core i5-460M

MSRP: $80|Avg: $129

2913%

#1096

Core i5-2540M

MSRP: $266|Avg: $10

2886%

#1098

Core i5-450M

MSRP: $32|Avg: $31

2787%

#1099

Core i3-380M

MSRP: $49|Avg: $25

2673%

#1100

Core i5-430M

MSRP: N/A|Avg: $33

2668%

#1101

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2596%

#1104

Pentium 997

MSRP: $134|Avg: $10

100%

#1105

Pentium A1018

MSRP: $132|Avg: $15

99%

#1106

Core i5-2430M

MSRP: $225|Avg: N/A

99%

#1108

Pentium Dual Core T4500

MSRP: $150|Avg: $30

98%

#1109

Celeron B820

MSRP: $86|Avg: $15

98%

#1110

Pentium B980

MSRP: $125|Avg: $35

97%

#1111

Celeron 867

MSRP: $86|Avg: $15

97%

#1112

Pentium B970

MSRP: $125|Avg: $39

96%

#1113

Core i5-2410M

MSRP: $225|Avg: N/A

96%

#1114

Pentium T2370

MSRP: $86|Avg: $10

95%

#1115

Pentium N3710

MSRP: $161|Avg: $50

95%

#1116

Core m3-7Y30

MSRP: $281|Avg: $281

95%

#1117

Pentium 977

MSRP: $134|Avg: $10

94%

#1118

Core i7-2715QE

MSRP: $378|Avg: $50

94%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Pentium 997 delivers superior performance across the board. It outperforms the Core 2 Duo T9900 in both compute-intensive tasks (0.9% faster) and gaming workloads.

Insight	Core 2 Duo T9900	Pentium 997
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($10)
Longevity	🛑 Legacy (Penryn (2008−2011) / 45 nm)	🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm)

💎 Value Proposition

Insight	Core 2 Duo T9900	Pentium 997
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($10)

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 T9900 Benchmark Check

Pentium 997 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo T9900 and Pentium 997

Core 2 Duo T9900

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.

Pentium 997

The Pentium 997 is manufactured by Intel. It was released in 1 September 2012 (13 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,215 points. Launch price was $134.

⚡

Processing Power

Both the Core 2 Duo T9900 and Pentium 997 share an identical 2-core/2-thread configuration. Boost clocks reach 0.07 GHz on the Core 2 Duo T9900 versus 1.6 GHz on the Pentium 997 — a 183.2% clock advantage for the Pentium 997 (base: 3.06 GHz vs 1.6 GHz). The Core 2 Duo T9900 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium 997 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Core 2 Duo T9900 scores 1,204 against the Pentium 997's 1,215 — a 0.9% lead for the Pentium 997. L3 cache: 6 MB L2 Cache on the Core 2 Duo T9900 vs 2 MB (total) on the Pentium 997.

Feature	Core 2 Duo T9900	Pentium 997
Cores / Threads	2 / 2	2 / 2
Boost Clock	0.07 GHz	1.6 GHz+2186%
Base Clock	3.06 GHz+91%	1.6 GHz
L3 Cache	6 MB L2 Cache+200%	2 MB (total)
L2 Cache	6 MB (total)+2300%	256K (per core)
Process	45 nm	32 nm-29%
Architecture	Penryn (2008−2011)	Sandy Bridge (2011−2013)
PassMark	1,204	1,215

🧠

Memory & Platform

The Core 2 Duo T9900 uses the PGA478 socket (PCIe 1.1), while the Pentium 997 uses BGA1023 (PCIe 2.0) — making them incompatible on the same motherboard.