Athlon 64 X2 TK-42 vs Pentium D 940

Athlon 64 X2 TK-42

2 Cores2 Thrd1 WWMax: 1.6 GHz2009

Pentium D 940

2 Cores2 Thrd130 WWMax: 3.2 GHz2006

Performance Spectrum - CPU

Athlon 64 X2 TK-42

2 / 2

775

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium D 940

2 / 2

875

+12.9%

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 Athlon 64 X2 TK-42 is positioned at rank 1019 and the Pentium D 940 is on rank 1055, so the Athlon 64 X2 TK-42 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 Athlon 64 X2 TK-42

#1007

Atom x5-Z8300

MSRP: $20|Avg: N/A

2271%

#1008

Atom Z3735G

MSRP: $17|Avg: N/A

2238%

#1009

Core i5-480M

MSRP: $81|Avg: $77

2054%

#1010

Core i5-460M

MSRP: $80|Avg: $129

2045%

#1011

Core i5-2540M

MSRP: $266|Avg: $10

2026%

#1013

Core i5-450M

MSRP: $32|Avg: $31

1957%

#1014

Core i3-380M

MSRP: $49|Avg: $25

1876%

#1015

Core i5-430M

MSRP: N/A|Avg: $33

1873%

#1016

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1823%

#1019

Athlon 64 X2 TK-42

MSRP: $60|Avg: $10

100%

#1020

Athlon Neo MV-40

MSRP: $100|Avg: $5

99%

#1021

Core i7-4860EQ

MSRP: $434|Avg: $80

98%

#1022

Pentium SU2700

MSRP: $100|Avg: $10

98%

#1023

A4-1250

MSRP: $100|Avg: $30

97%

#1025

Core i5-4200M

MSRP: $225|Avg: N/A

97%

#1026

Celeron 1000M

MSRP: $86|Avg: N/A

96%

#1028

Celeron B840

MSRP: $86|Avg: $15

96%

#1029

Celeron M 743

MSRP: $107|Avg: $15

96%

#1030

Core i7-3612QM

MSRP: $378|Avg: N/A

95%

#1031

Pentium 967

MSRP: $134|Avg: $10

95%

#1032

Core i5-4400E

MSRP: $266|Avg: $50

95%

#1034

Pentium Dual Core T4400

MSRP: $107|Avg: $5

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium D 940

Ryzen 9 7950X

MSRP: $194|Avg: $20

47016%

Core i9-10900T

MSRP: $120|Avg: $5

44425%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

32256%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

9717%

Ryzen 9 9950X

MSRP: $649|Avg: $129

7697%

Ryzen 5 8400F

MSRP: $303|Avg: $55

6734%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3857%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3806%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3466%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3465%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3427%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3334%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3288%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

3274%

#15

Core i3-8300T

MSRP: $138|Avg: $25

3245%

#1055

Pentium D 940

MSRP: $132|Avg: $15

100%

#1056

Phenom X4 9600B

MSRP: $278|Avg: $20

100%

#1057

Phenom II X3 B77

MSRP: $281|Avg: $35

99%

#1058

Core 2 Duo E6300

MSRP: $163|Avg: $5

98%

#1059

Core 2 Duo E6400

MSRP: $183|Avg: $10

97%

#1060

Core 2 Duo E8300

MSRP: $163|Avg: $20

96%

#1061

Phenom X4 9500

MSRP: $247|Avg: $30

95%

#1062

Celeron D 352

MSRP: $69|Avg: $15

91%

#1063

Core i7-970

MSRP: $1083|Avg: $289

91%

#1064

Core i7-880

MSRP: $583|Avg: $40

89%

#1065

Pentium D 820

MSRP: $241|Avg: $20

88%

#1066

Celeron 2.10

MSRP: $49|Avg: $49

88%

#1067

Core i7-950

MSRP: $562|Avg: $15

87%

#1068

Sempron 3100+

MSRP: $65|Avg: $15

86%

#1069

Athlon II X4 635

MSRP: $400|Avg: $250

85%

#1070

Core 2 Duo E6750

MSRP: $183|Avg: $15

85%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Pentium D 940 delivers superior performance across the board. It outperforms the Athlon 64 X2 TK-42 in both compute-intensive tasks (12.1% faster) and gaming workloads.

Insight	Athlon 64 X2 TK-42	Pentium D 940
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($10)	⚠️ Higher cost ($15)
Longevity	🛑 Legacy (Tyler (2007−2009) / 65 nm)	🛑 Legacy (NetBurst (2000−2006) / 65 nm)

💎 Value Proposition

Value Proposition: While both processors are considered legacy components by modern standards, the Athlon 64 X2 TK-42 holds the technical lead in efficiency. Priced at $10 (vs $15), it costs 33% less. While offering basic entry-level performance, it results in a 33% higher cost efficiency score compared to the Pentium D 940.

Insight	Athlon 64 X2 TK-42	Pentium D 940
Cost Efficiency	✅ Better overall value (+33%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($10)	⚠️ Higher cost ($15)

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.

Athlon 64 X2 TK-42 Benchmark Check

Pentium D 940 Benchmark Check

Technical Specifications

Side-by-side comparison of Athlon 64 X2 TK-42 and Pentium D 940

Athlon 64 X2 TK-42

The Athlon 64 X2 TK-42 is manufactured by AMD. It was released in 2009-01-01. It is based on the Tyler (2007−2009) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Passmark benchmark score: 775 points. Launch price was $149.

Pentium D 940

The Pentium D 940 is manufactured by Intel. It was released in 5 January 2006 (19 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 130 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 875 points. Launch price was $423.

⚡

Processing Power

Both the Athlon 64 X2 TK-42 and Pentium D 940 share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Athlon 64 X2 TK-42 versus 3.2 GHz on the Pentium D 940 — a 66.7% clock advantage for the Pentium D 940. The Athlon 64 X2 TK-42 uses the Tyler (2007−2009) architecture (65 nm), while the Pentium D 940 uses NetBurst (2000−2006) (65 nm). In PassMark, the Athlon 64 X2 TK-42 scores 775 against the Pentium D 940's 875 — a 12.1% lead for the Pentium D 940.

Feature	Athlon 64 X2 TK-42	Pentium D 940
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.6 GHz	3.2 GHz+100%
Base Clock	—	3.2 GHz
L3 Cache	—	0 kB
L2 Cache	1 MB	2 MB (total)+100%
Process	65 nm	65 nm
Architecture	Tyler (2007−2009)	NetBurst (2000−2006)
PassMark	775	875+13%

🧠

Memory & Platform

The Athlon 64 X2 TK-42 uses the S1 socket (PCIe 2.0), while the Pentium D 940 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Athlon 64 X2 TK-42	Pentium D 940
Socket	S1	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR2-667	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	❌	—
PCIe Lanes	0	—

💰

Value Analysis

The Athlon 64 X2 TK-42 launched at $60 MSRP, while the Pentium D 940 debuted at $132. At current prices ($10 vs $15), the Athlon 64 X2 TK-42 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon 64 X2 TK-42 delivers 77.5 pts/$ vs 58.3 pts/$ for the Pentium D 940 — making the Athlon 64 X2 TK-42 the 28.2% better value option.