Core Duo T2500 vs Athlon X2 QL-65

Core Duo T2500

2 Cores2 Thrd2 WWMax: 2 GHz2006

Athlon X2 QL-65

2 Cores2 Thrd1 WWMax: 2.1 GHz2009

Performance Spectrum - CPU

Core Duo T2500

2 / 2

1,621

0.0%

1,630

+0.6%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 Core Duo T2500 is positioned at rank 943 and the Athlon X2 QL-65 is on rank 1056, so the Core Duo T2500 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 Duo T2500

#931

Atom x5-Z8300

MSRP: $20|Avg: N/A

1756%

#932

Atom Z3735G

MSRP: $17|Avg: N/A

1730%

#933

Core i5-480M

MSRP: $81|Avg: $77

1588%

#934

Core i5-460M

MSRP: $80|Avg: $129

1581%

#935

Core i5-2540M

MSRP: $266|Avg: $10

1567%

#937

Core i5-450M

MSRP: $32|Avg: $31

1513%

#938

Core i3-380M

MSRP: $49|Avg: $25

1451%

#939

Core i5-430M

MSRP: N/A|Avg: $33

1448%

#940

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1409%

#943

Core Duo T2500

MSRP: N/A|Avg: N/A

100%

#944

Athlon Neo X2 L335

MSRP: $80|Avg: $15

100%

#945

Core i7-3610QE

MSRP: $315|Avg: $105

99%

#948

A8-8600P

MSRP: $150|Avg: $30

98%

#950

FX-9800P

MSRP: $150|Avg: $45

98%

#951

Celeron 1020E

MSRP: $86|Avg: $20

98%

#954

Core i7-5850EQ

MSRP: $435|Avg: $370

97%

#956

Core i7-4810MQ

MSRP: $378|Avg: $378

96%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Athlon X2 QL-65

#1044

Atom x5-Z8300

MSRP: $20|Avg: N/A

2699%

#1045

Atom Z3735G

MSRP: $17|Avg: N/A

2660%

#1046

Core i5-480M

MSRP: $81|Avg: $77

2442%

#1047

Core i5-460M

MSRP: $80|Avg: $129

2431%

#1048

Core i5-2540M

MSRP: $266|Avg: $10

2408%

#1050

Core i5-450M

MSRP: $32|Avg: $31

2326%

#1051

Core i3-380M

MSRP: $49|Avg: $25

2230%

#1052

Core i5-430M

MSRP: N/A|Avg: $33

2226%

#1053

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2167%

#1056

Athlon X2 QL-65

MSRP: $150|Avg: $22

100%

#1057

Pentium J2850

MSRP: $94|Avg: $94

99%

#1058

Core i7-4900MQ

MSRP: $570|Avg: $40

99%

#1059

Celeron P4505

MSRP: $86|Avg: $86

98%

#1060

Pentium Dual Core T2370

MSRP: $150|Avg: $25

98%

#1061

Pentium T4200

MSRP: $99|Avg: $10

98%

#1062

Core i7-2720QM

MSRP: $378|Avg: N/A

98%

#1063

Pentium 2020M

MSRP: $134|Avg: N/A

97%

#1064

Celeron P4500

MSRP: $86|Avg: $5

97%

#1065

Pentium Dual Core SU4100

MSRP: $134|Avg: $10

97%

#1066

Processor N50

MSRP: $128|Avg: $120

96%

#1067

Athlon II N350

MSRP: $100|Avg: $100

96%

#1068

Celeron N3350

MSRP: $107|Avg: N/A

96%

#1070

Core i7-2675QM

MSRP: $378|Avg: N/A

95%

#1071

A9-9410

MSRP: $150|Avg: $25

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Athlon X2 QL-65 delivers superior performance across the board. It outperforms the Core Duo T2500 in both compute-intensive tasks (0.6% faster) and gaming workloads.

Insight	Core Duo T2500	Athlon X2 QL-65
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($22)
Longevity	🛑 Legacy (Yonah (2005−2006) / 65 nm)	🛑 Legacy (Lion (2008−2009) / 65 nm)

💎 Value Proposition

Insight	Core Duo T2500	Athlon X2 QL-65
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($22)

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 Duo T2500 Benchmark Check

Athlon X2 QL-65 Benchmark Check

Technical Specifications

Side-by-side comparison of Core Duo T2500 and Athlon X2 QL-65

Core Duo T2500

The Core Duo T2500 is manufactured by Intel. It was released in Janeiro 2006 (19 years ago). It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 1,621 points. Launch price was $120.

Athlon X2 QL-65

The Athlon X2 QL-65 is manufactured by AMD. It was released in 2009-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,630 points. Launch price was $149.

⚡

Processing Power

Both the Core Duo T2500 and Athlon X2 QL-65 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Core Duo T2500 versus 2.1 GHz on the Athlon X2 QL-65 — a 4.9% clock advantage for the Athlon X2 QL-65. The Core Duo T2500 uses the Yonah (2005−2006) architecture (65 nm), while the Athlon X2 QL-65 uses Lion (2008−2009) (65 nm). In PassMark, the Core Duo T2500 scores 1,621 against the Athlon X2 QL-65's 1,630 — a 0.6% lead for the Athlon X2 QL-65. Both processors carry 0 kB of L3 cache.

Feature	Core Duo T2500	Athlon X2 QL-65
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz	2.1 GHz+5%
Base Clock	2 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	2 MB+100%	1 MB
Process	65 nm	65 nm
Architecture	Yonah (2005−2006)	Lion (2008−2009)
PassMark	1,621	1,630

🧠

Memory & Platform

The Core Duo T2500 uses the PGA478 socket (PCIe 1.1), while the Athlon X2 QL-65 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-667 memory speed. The Athlon X2 QL-65 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.

Feature	Core Duo T2500	Athlon X2 QL-65
Socket	PGA478	S1g2
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-667	DDR2-667
Max RAM Capacity	4 GB	8 GB+100%
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	0