Pentium T4400 vs Core 2 Duo E8400

CPU

GPU

Pentium T4400

35 WW2009

Core 2 Duo E8400

2 Cores2 Thrd65 WWMax: 3 GHz2008

Performance Spectrum - CPU

Pentium T4400

1,175

+0.9%

1,165

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. Components placed above yours deliver better value for money. The Pentium T4400 is positioned at rank 1054 and the Core 2 Duo E8400 is on rank 508, so the Core 2 Duo E8400 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 Pentium T4400

#1042

Atom x5-Z8300

MSRP: $20|Avg: N/A

2672%

#1043

Atom Z3735G

MSRP: $17|Avg: N/A

2633%

#1044

Core i5-480M

MSRP: $81|Avg: $77

2417%

#1045

Core i5-460M

MSRP: $80|Avg: $129

2406%

#1046

Core i5-2540M

MSRP: $266|Avg: $10

2384%

#1048

Core i5-450M

MSRP: $32|Avg: $31

2302%

#1049

Core i3-380M

MSRP: $49|Avg: $25

2208%

#1050

Core i5-430M

MSRP: N/A|Avg: $33

2204%

#1051

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2145%

#1054

Pentium T4400

MSRP: $107|Avg: $5

100%

#1056

Athlon X2 QL-65

MSRP: $150|Avg: $22

99%

#1057

Pentium J2850

MSRP: $94|Avg: $94

98%

#1058

Core i7-4900MQ

MSRP: $570|Avg: $40

98%

#1059

Pentium Dual Core T2370

MSRP: $150|Avg: $25

97%

#1060

Celeron P4505

MSRP: $86|Avg: $86

97%

#1061

Pentium T4200

MSRP: $99|Avg: $10

97%

#1062

Core i7-2720QM

MSRP: $378|Avg: N/A

97%

#1063

Pentium 2020M

MSRP: $134|Avg: N/A

96%

#1064

Celeron P4500

MSRP: $86|Avg: $5

96%

#1065

Pentium Dual Core SU4100

MSRP: $134|Avg: $10

96%

#1066

Processor N50

MSRP: $128|Avg: $120

95%

#1067

Athlon II N350

MSRP: $100|Avg: $100

95%

#1068

Celeron N3350

MSRP: $107|Avg: N/A

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core 2 Duo E8400

Ryzen 9 7950X

MSRP: $194|Avg: $20

8028%

Core i9-10900T

MSRP: $120|Avg: $5

7585%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

5508%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

1659%

Ryzen 9 9950X

MSRP: $649|Avg: $129

1314%

Ryzen 5 8400F

MSRP: $303|Avg: $55

1150%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

659%

Ryzen 5 2600X

MSRP: $229|Avg: $55

650%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

592%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

592%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

585%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

569%

#13

Core i3-9100E

MSRP: $202|Avg: $30

561%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

559%

#15

Core i3-8300T

MSRP: $138|Avg: $25

554%

#262

Core i7-8700K

MSRP: $359|Avg: $160

97%

#373

Core i7-9700T

MSRP: $323|Avg: $276

99%

#508

Core 2 Duo E8400

MSRP: N/A|Avg: N/A

100%

#511

Athlon X4 880K

MSRP: $95|Avg: $25

99%

#515

Athlon X4 870K

MSRP: $90|Avg: $35

99%

#518

Pentium G2030T

MSRP: $42|Avg: $5

98%

#519

Athlon X4 730

MSRP: $60|Avg: $52

98%

#520

Core i3-7101E

MSRP: $117|Avg: $50

98%

#522

Athlon II X4 740

MSRP: $71|Avg: $20

97%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Core 2 Duo E8400 leads in gaming performance. However, the Pentium T4400 is the stronger candidate for professional workloads, offering 0.9% greater multi-core processing power.

Insight	Pentium T4400	Core 2 Duo E8400
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($5)	✅ More affordable ($0)
Longevity	🛑 Legacy (Legacy / 45 nm)	🛑 Legacy (Wolfdale (2008−2010) / 45 nm)

💎 Value Proposition

Insight	Pentium T4400	Core 2 Duo E8400
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($5)	✅ More affordable ($0)

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.

Pentium T4400 Benchmark Check

Core 2 Duo E8400 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium T4400 and Core 2 Duo E8400

Pentium T4400

The Pentium T4400 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 2.2 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 1,175 points. Launch price was $69.

Core 2 Duo E8400

The Core 2 Duo E8400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,165 points. Launch price was $249.

⚡

Processing Power

The Core 2 Duo E8400 is built on the Wolfdale (2008−2010) architecture. In PassMark, the Pentium T4400 scores 1,175 against the Core 2 Duo E8400's 1,165 — a 0.9% lead for the Pentium T4400. L3 cache: 1 MB L2 Cache on the Pentium T4400 vs 0 kB on the Core 2 Duo E8400.

Feature	Pentium T4400	Core 2 Duo E8400
Cores / Threads	—	2 / 2
Boost Clock	—	3 GHz
Base Clock	2.2 GHz	3 GHz+36%
L3 Cache	1 MB L2 Cache	0 kB
L2 Cache	—	6 MB (total)
Process	45 nm	45 nm
Architecture	—	Wolfdale (2008−2010)
PassMark	1,175	1,165
Geekbench 6 Single	249	—

🧠

Memory & Platform

The Pentium T4400 uses the PGA478 socket (PCIe 2.0), while the Core 2 Duo E8400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-800 on the Pentium T4400 versus 1333 on the Core 2 Duo E8400 — the Core 2 Duo E8400 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E8400 supports up to 16 of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Pentium T4400) vs 16 (Core 2 Duo E8400) — the Core 2 Duo E8400 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: GL40,GM45 (Pentium T4400) and P35,G31,G33,P45 (Core 2 Duo E8400).

Feature	Pentium T4400	Core 2 Duo E8400
Socket	PGA478	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-800	1333+44333%
Max RAM Capacity	8 GB+52428700%	16
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	0	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: None (Pentium T4400) vs true (Core 2 Duo E8400). Primary use case: Pentium T4400 targets Budget. Direct competitor: Pentium T4400 rivals AMD A4-3300M; Core 2 Duo E8400 rivals Phenom II X2 550.