Core 2 Duo U7700 vs Athlon II X3 405e

Core 2 Duo U7700

2 Cores2 Thrd2 WWMax: 1.33 GHz2006

Athlon II X3 405e

3 Cores3 Thrd45 WWMax: 2.3 GHz2009

Performance Spectrum - CPU

Core 2 Duo U7700

2 / 2

1,335

+0.3%

1,331

0.0%

Ryzen Threadripper PRO 3955WX

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 2 Duo U7700 is positioned at rank 1203 and the Athlon II X3 405e is on rank 935, so the Athlon II X3 405e 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 U7700

#1190

Atom x5-Z8300

MSRP: $20|Avg: N/A

5753%

#1191

Atom Z3735G

MSRP: $17|Avg: N/A

5669%

#1192

Core i5-480M

MSRP: $81|Avg: $77

5204%

#1193

Core i5-460M

MSRP: $80|Avg: $129

5180%

#1194

Core i5-2540M

MSRP: $266|Avg: $10

5133%

#1196

Core i5-450M

MSRP: $32|Avg: $31

4957%

#1197

Core i3-380M

MSRP: $49|Avg: $25

4753%

#1198

Core i5-430M

MSRP: N/A|Avg: $33

4745%

#1199

Core 2 Duo T6600

MSRP: N/A|Avg: $4

4618%

#1202

Core 2 Duo E8135

MSRP: $200|Avg: $15

100%

#1203

Core 2 Duo U7700

MSRP: $262|Avg: $10

100%

#1204

Core Duo T2400

MSRP: $294|Avg: N/A

99%

#1205

Core 2 Duo U7600

MSRP: $250|Avg: $5

99%

#1206

Pentium M 735

MSRP: $294|Avg: N/A

97%

#1207

Core i7-620LM

MSRP: $300|Avg: N/A

96%

#1208

Core i7-740QM

MSRP: $378|Avg: N/A

95%

#1210

Core 2 Solo SU3300

MSRP: $262|Avg: $50

93%

#1211

Celeron 540

MSRP: $86|Avg: $5

93%

#1212

Celeron U3600

MSRP: $134|Avg: $134

91%

#1215

Core 2 Quad Q9000

MSRP: $348|Avg: $15

90%

#1216

Core i5-2537M

MSRP: $250|Avg: N/A

90%

#1217

Core i7-720QM

MSRP: $364|Avg: N/A

89%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Athlon II X3 405e

Ryzen 9 7950X

MSRP: $194|Avg: $20

23420%

Core i9-10900T

MSRP: $120|Avg: $5

22129%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

16068%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

4840%

Ryzen 9 9950X

MSRP: $649|Avg: $129

3834%

Ryzen 5 8400F

MSRP: $303|Avg: $55

3354%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

1921%

Ryzen 5 2600X

MSRP: $229|Avg: $55

1896%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

1726%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

1726%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

1707%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

1661%

#13

Core i3-9100E

MSRP: $202|Avg: $30

1638%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

1631%

#15

Core i3-8300T

MSRP: $138|Avg: $25

1616%

#935

Athlon II X3 405e

MSRP: $100|Avg: $10

100%

#936

Core i3-2105

MSRP: $138|Avg: $30

100%

#937

Core i3-3225

MSRP: $172|Avg: $167

99%

#938

Athlon II X3 400e

MSRP: $100|Avg: $10

99%

#939

Core i3-3220T

MSRP: $149|Avg: $146

98%

#940

Athlon II X2 245e

MSRP: $87|Avg: $15

98%

#941

Athlon II X2 240e

MSRP: $77|Avg: $77

98%

#942

Pentium G630T

MSRP: $79|Avg: $15

98%

#943

Core i7-3970X Extreme Edition

MSRP: $990|Avg: $175

98%

#946

Core i5-650

MSRP: $176|Avg: $22

96%

#947

A10-6790B

MSRP: $122|Avg: $50

95%

#948

Phenom X3 8600

MSRP: $100|Avg: $20

95%

#949

Core i3-6100TE

MSRP: $250|Avg: $90

95%

#950

FX-4320

MSRP: $250|Avg: $100

95%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Athlon II X3 405e leads in gaming performance. However, the Core 2 Duo U7700 is the stronger candidate for professional workloads, offering 0.3% greater multi-core processing power.

Insight	Core 2 Duo U7700	Athlon II X3 405e
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Merom-2048 (2006−2008) / 65 nm)	🛑 Legacy (Rana (2009−2011) / 45 nm)

💎 Value Proposition

Efficiency: Even within a comparison of older hardware, the Core 2 Duo U7700 stands out as the superior choice. It delivers superior performance at a comparable price point.

Insight	Core 2 Duo U7700	Athlon II X3 405e
Cost Efficiency	✅ Better overall value (+0%)	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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 U7700 Benchmark Check

Athlon II X3 405e Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo U7700 and Athlon II X3 405e

Core 2 Duo U7700

The Core 2 Duo U7700 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom-2048 (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.33 GHz, with boost up to 1.33 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: P. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,335 points. Launch price was $249.

Athlon II X3 405e

The Athlon II X3 405e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,331 points. Launch price was $80.

⚡

Processing Power

The Core 2 Duo U7700 packs 2 cores / 2 threads, while the Athlon II X3 405e offers 3 cores / 3 threads — the Athlon II X3 405e has 1 more core. Boost clocks reach 1.33 GHz on the Core 2 Duo U7700 versus 2.3 GHz on the Athlon II X3 405e — a 53.4% clock advantage for the Athlon II X3 405e (base: 1.33 GHz vs 2.3 GHz). The Core 2 Duo U7700 uses the Merom-2048 (2006−2008) architecture (65 nm), while the Athlon II X3 405e uses Rana (2009−2011) (45 nm). In PassMark, the Core 2 Duo U7700 scores 1,335 against the Athlon II X3 405e's 1,331 — a 0.3% lead for the Core 2 Duo U7700. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo U7700	Athlon II X3 405e
Cores / Threads	2 / 2	3 / 3+50%
Boost Clock	1.33 GHz	2.3 GHz+73%
Base Clock	1.33 GHz	2.3 GHz+73%
L3 Cache	0 kB	0 kB
L2 Cache	2 MB+300%	512 kB (per core)
Process	65 nm	45 nm-31%
Architecture	Merom-2048 (2006−2008)	Rana (2009−2011)
PassMark	1,335	1,331

🧠

Memory & Platform

The Core 2 Duo U7700 uses the P socket (PCIe 1.1), while the Athlon II X3 405e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo U7700	Athlon II X3 405e
Socket	P	AM3
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	—	DDR3-1333
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	0

💰

Value Analysis

The Core 2 Duo U7700 launched at $262 MSRP, while the Athlon II X3 405e debuted at $100. At current prices ($10 vs $10), the Athlon II X3 405e is $0 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo U7700 delivers 133.5 pts/$ vs 133.1 pts/$ for the Athlon II X3 405e — making the Core 2 Duo U7700 the 0.3% better value option.