Phenom II X2 X640 BE vs Xeon X3450

Performance Spectrum - CPU

Phenom II X2 X640 BE

2 / 2

2,839

0.0%

Ryzen Threadripper 3990X

Xeon X3450

4 / 8

2,877

+1.3%

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 Phenom II X2 X640 BE is positioned at rank 136 and the Xeon X3450 is on rank 813, so the Phenom II X2 X640 BE 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 Phenom II X2 X640 BE

#36

Core i5-11500B

MSRP: $185|Avg: $185

98%

#124

Atom x5-Z8300

MSRP: $20|Avg: N/A

310%

#125

Atom Z3735G

MSRP: $17|Avg: N/A

306%

#126

Core i5-480M

MSRP: $81|Avg: $77

280%

#127

Core i5-460M

MSRP: $80|Avg: $129

279%

#128

Core i5-2540M

MSRP: $266|Avg: $10

277%

#130

Core i5-450M

MSRP: $32|Avg: $31

267%

#131

Core i3-380M

MSRP: $49|Avg: $25

256%

#132

Core i5-430M

MSRP: N/A|Avg: $33

256%

#133

Core 2 Duo T6600

MSRP: N/A|Avg: $4

249%

#136

Phenom II X2 X640 BE

MSRP: N/A|Avg: N/A

100%

#137

N200

MSRP: $193|Avg: N/A

100%

#138

Core 2 Duo SP9600

MSRP: $316|Avg: N/A

100%

#140

Core 2 Duo P8700

MSRP: $241|Avg: $85

99%

#147

Atom N2800

MSRP: $47|Avg: $3

97%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon X3450

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

17406%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

3286%

#10

Xeon 6337P

MSRP: $60|Avg: $5

2920%

#15

EPYC 9174F

MSRP: $194|Avg: $30

2256%

#464

Xeon W-3375

MSRP: $4951|Avg: $6000

100%

#466

Xeon Platinum 8358

MSRP: $4607|Avg: $3145

99%

#467

EPYC 7662

MSRP: $6150|Avg: $1266

98%

#467

EPYC 7713

MSRP: $7060|Avg: $1299

98%

#469

EPYC 9554

MSRP: $9087|Avg: $2795

96%

#813

Xeon X3450

MSRP: $241|Avg: $39

100%

#816

Xeon W3680

MSRP: $594|Avg: $26

99%

#818

Xeon E5-2640 v3

MSRP: $939|Avg: $189

99%

#823

Xeon E5-1660 v3

MSRP: $1080|Avg: $198

98%

#826

Xeon W3565

MSRP: $294|Avg: $69

97%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Use Case Distinction: This is a comparison between a Professional Workstation processor ($39) and a Consumer Desktop CPU. The Xeon X3450 is engineered for massive parallel workloads (rendering, scientific simulations), offering significantly higher core counts.

Insight	Phenom II X2 X640 BE	Xeon X3450
Gaming	Balanced gaming performance	Balanced gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($39)
Longevity	🛑 Legacy (Champlain (2010−2011) / 45 nm)	🛑 Legacy (Lynnfield (2009−2010) / 45 nm)

💎 Value Proposition

The Phenom II X2 X640 BE ($0), however, is optimized for mixed workloads and gaming. For most users, it offers superior single-thread performance and responsiveness at a fraction of the cost ($39 less, 100% cheaper), making it the better choice for daily use and gaming.

Insight	Phenom II X2 X640 BE	Xeon X3450
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($39)

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.

Phenom II X2 X640 BE Benchmark Check

Xeon X3450 Benchmark Check

Technical Specifications

Side-by-side comparison of Phenom II X2 X640 BE and Xeon X3450

Phenom II X2 X640 BE

The Phenom II X2 X640 BE is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 3.2 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 2,839 points. Launch price was $149.

Xeon X3450

The Xeon X3450 is manufactured by Intel. It was released in 8 September 2009 (16 years ago). It is based on the Lynnfield (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1156. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333. Passmark benchmark score: 2,877 points. Launch price was $241.

⚡

Processing Power

The Phenom II X2 X640 BE packs 2 cores / 2 threads, while the Xeon X3450 offers 4 cores / 8 threads — the Xeon X3450 has 2 more cores. Boost clocks reach 3.2 GHz on the Phenom II X2 X640 BE versus 3.2 GHz on the Xeon X3450 — identical boost frequencies. The Phenom II X2 X640 BE uses the Champlain (2010−2011) architecture (45 nm), while the Xeon X3450 uses Lynnfield (2009−2010) (45 nm). In PassMark, the Phenom II X2 X640 BE scores 2,839 against the Xeon X3450's 2,877 — a 1.3% lead for the Xeon X3450.

Feature	Phenom II X2 X640 BE	Xeon X3450
Cores / Threads	2 / 2	4 / 8+100%
Boost Clock	3.2 GHz	3.2 GHz
Base Clock	—	2.66 GHz
L3 Cache	—	8 MB (total)
L2 Cache	2 MB+700%	256 kB (per core)
Process	45 nm	45 nm
Architecture	Champlain (2010−2011)	Lynnfield (2009−2010)
PassMark	2,839	2,877+1%

🧠

Memory & Platform

The Phenom II X2 X640 BE uses the S1 socket (PCIe 2.0), while the Xeon X3450 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.