Xeon E5-1660 v3 vs Xeon E5-2640 v4

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 Xeon E5-1660 v3 is positioned at rank 824 and the Xeon E5-2640 v4 is on rank 262, so the Xeon E5-2640 v4 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 Xeon E5-1660 v3

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

17839%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

3368%

#10

Xeon 6337P

MSRP: $60|Avg: $5

2992%

#15

EPYC 9174F

MSRP: $194|Avg: $30

2312%

#469

EPYC 9554

MSRP: $9087|Avg: $2795

99%

#470

Xeon Gold 6338T

MSRP: $3139|Avg: $1795

98%

#471

Xeon E5-2650 v4

MSRP: $1166|Avg: $45

98%

#472

EPYC 9845

MSRP: $13564|Avg: $8670

97%

#473

EPYC 7F32

MSRP: $2100|Avg: $179

95%

#474

EPYC 9654P

MSRP: $10625|Avg: $5345

94%

#824

Xeon E5-1660 v3

MSRP: $1080|Avg: $198

100%

#827

Xeon W3565

MSRP: $294|Avg: $69

99%

#837

Xeon W3550

MSRP: $294|Avg: $30

95%

#839

Xeon E5-2450

MSRP: $694|Avg: $795

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-2640 v4

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

4166%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

787%

#10

Xeon 6337P

MSRP: $60|Avg: $5

699%

#15

EPYC 9174F

MSRP: $194|Avg: $30

540%

#219

Xeon D-1733NT

MSRP: $300|Avg: $300

99%

#220

Xeon 6520P

MSRP: $1295|Avg: $1295

99%

#221

Xeon Gold 6314U

MSRP: $2977|Avg: N/A

98%

#222

Xeon E-2478

MSRP: $568|Avg: $269

98%

#223

Xeon W-1390

MSRP: $494|Avg: $400

97%

#262

Xeon E5-2640 v4

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Xeon E5-1660 v3 delivers superior performance across the board. It outperforms the Xeon E5-2640 v4 in both compute-intensive tasks (0.9% faster) and gaming workloads.

Insight	Xeon E5-1660 v3	Xeon E5-2640 v4
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($198)	✅ More affordable ($0)
Longevity	🛑 Legacy (Haswell-EP (2014−2015) / 22 nm)	🛑 Legacy (Broadwell (2015−2019) / 14 nm)

💎 Value Proposition

Insight	Xeon E5-1660 v3	Xeon E5-2640 v4
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($198)	✅ 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.

Xeon E5-1660 v3 Benchmark Check

Xeon E5-2640 v4 Benchmark Check

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Technical Specifications

Side-by-side comparison of Xeon E5-1660 v3 and Xeon E5-2640 v4

Xeon E5-1660 v3

The Xeon E5-1660 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 8 cores and 16 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 20 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1333, DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 12,582 points. Launch price was $800.

Xeon E5-2640 v4

The Xeon E5-2640 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 10 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 25 MB. L2 cache: 2.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 90 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133. Passmark benchmark score: 12,470 points. Launch price was $939.

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Processing Power

The Xeon E5-1660 v3 packs 8 cores / 16 threads, while the Xeon E5-2640 v4 offers 10 cores / 20 threads — the Xeon E5-2640 v4 has 2 more cores. Boost clocks reach 3.5 GHz on the Xeon E5-1660 v3 versus 3.4 GHz on the Xeon E5-2640 v4 — a 2.9% clock advantage for the Xeon E5-1660 v3 (base: 3 GHz vs 2.4 GHz). The Xeon E5-1660 v3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Xeon E5-2640 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Xeon E5-1660 v3 scores 12,582 against the Xeon E5-2640 v4's 12,470 — a 0.9% lead for the Xeon E5-1660 v3. L3 cache: 20 MB (total) on the Xeon E5-1660 v3 vs 25 MB on the Xeon E5-2640 v4.

Feature	Xeon E5-1660 v3	Xeon E5-2640 v4
Cores / Threads	8 / 16	10 / 20+25%
Boost Clock	3.5 GHz+3%	3.4 GHz
Base Clock	3 GHz+25%	2.4 GHz
L3 Cache	20 MB (total)	25 MB+25%
L2 Cache	256K (per core)	2.5 MB+900%
Process	22 nm	14 nm-36%
Architecture	Haswell-EP (2014−2015)	Broadwell (2015−2019)
PassMark	12,582	12,470