Xeon E5-4640 v3
VS
Xeon E5-1660 v2

Xeon E5-4640 v3 vs Xeon E5-1660 v2

Intel

Xeon E5-4640 v3

12 Cores24 Thrd105 WWMax: 2.6 GHz2015
VS
Intel

Xeon E5-1660 v2

6 Cores12 Thrd130 WWMax: 4 GHz2013

Performance Spectrum - CPU

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 Xeon E5-4640 v3 is positioned at rank 1007 and the Xeon E5-1660 v2 is on rank 352, so the Xeon E5-1660 v2 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 E5-4640 v3

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
57252%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
10810%
#10
Xeon 6337P
MSRP: $60|Avg: $5
9604%
#15
EPYC 9174F
MSRP: $194|Avg: $30
7419%
#540
Xeon E7-8891 v3
MSRP: $6841|Avg: $418
87%
#541
Xeon E5-4669 v4
MSRP: $7007|Avg: $300
69%
#1007
Xeon E5-4640 v3
MSRP: $2859|Avg: $300
100%
#1008
Xeon E5440
MSRP: $690|Avg: $37
94%
#1009
Xeon E5-2643
MSRP: $1552|Avg: $50
93%
#1010
Xeon E5-2637
MSRP: $885|Avg: $40
93%
#1011
Xeon W3570
MSRP: $999|Avg: $15
90%
#1013
Xeon E5-4620
MSRP: $2141|Avg: $400
85%
#1014
Xeon E5-2680
MSRP: $3226|Avg: $40
79%
#1016
Xeon E5-4640
MSRP: $2725|Avg: N/A
71%
#1018
Xeon E5-4650
MSRP: $3616|Avg: $71
66%
#1019
Xeon E5-4650L
MSRP: $3616|Avg: N/A
65%
#1020
Xeon E5-4655 v4
MSRP: $4616|Avg: N/A
65%
#1021
Xeon E-2224
MSRP: $3226|Avg: $195
61%
#1022
Athlon MP 2400+
MSRP: $151|Avg: $20
56%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon E5-1660 v2

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
5028%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
949%
#10
Xeon 6337P
MSRP: $60|Avg: $5
844%
#15
EPYC 9174F
MSRP: $194|Avg: $30
652%
#253
Xeon W-2150B
MSRP: $499|Avg: $400
99%
#255
Xeon 6517P
MSRP: $1195|Avg: $1195
99%
#352
Xeon E5-1660 v2
MSRP: N/A|Avg: N/A
100%
#362
Xeon E5-2667 v2
MSRP: $300|Avg: $300
98%
#367
Xeon E5-1410
MSRP: $120|Avg: $55
98%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Trade-off: The Xeon E5-1660 v2 leads in gaming performance. However, the Xeon E5-4640 v3 is the stronger candidate for professional workloads, offering 0.4% greater multi-core processing power.
InsightXeon E5-4640 v3Xeon E5-1660 v2
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Better multi-core power
Weaker in multi-core tasks
Price
⚠️ Higher cost ($300)
More affordable ($0)
Longevity
🛑 Legacy (Haswell-EP (2014−2015) / 22 nm)
🛑 Legacy (Ivy Bridge-E (2013) / 22 nm)

💎 Value Proposition

InsightXeon E5-4640 v3Xeon E5-1660 v2
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
⚠️ Higher cost ($300)
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.

Technical Specifications

Side-by-side comparison of Xeon E5-4640 v3 and Xeon E5-1660 v2

Intel

Xeon E5-4640 v3

The Xeon E5-4640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.9 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 10,372 points. Launch price was $800.

Intel

Xeon E5-1660 v2

The Xeon E5-1660 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-E (2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 10,332 points. Launch price was $1,809.

Processing Power

The Xeon E5-4640 v3 packs 12 cores / 24 threads, while the Xeon E5-1660 v2 offers 6 cores / 12 threads — the Xeon E5-4640 v3 has 6 more cores. Boost clocks reach 2.6 GHz on the Xeon E5-4640 v3 versus 4 GHz on the Xeon E5-1660 v2 — a 42.4% clock advantage for the Xeon E5-1660 v2 (base: 1.9 GHz vs 3.7 GHz). The Xeon E5-4640 v3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Xeon E5-1660 v2 uses Ivy Bridge-E (2013) (22 nm). In PassMark, the Xeon E5-4640 v3 scores 10,372 against the Xeon E5-1660 v2's 10,332 — a 0.4% lead for the Xeon E5-4640 v3. L3 cache: 30 MB (total) on the Xeon E5-4640 v3 vs 15 MB (total) on the Xeon E5-1660 v2.

FeatureXeon E5-4640 v3Xeon E5-1660 v2
Cores / Threads
12 / 24+100%
6 / 12
Boost Clock
2.6 GHz
4 GHz+54%
Base Clock
1.9 GHz
3.7 GHz+95%
L3 Cache
30 MB (total)+100%
15 MB (total)
L2 Cache
256K (per core)
256 kB (per core)
Process
22 nm
22 nm
Architecture
Haswell-EP (2014−2015)
Ivy Bridge-E (2013)
PassMark
10,372
10,332
Geekbench 6 Single
750
Geekbench 6 Multi
7,000
🧠

Memory & Platform

Both processors use the LGA2011 socket with PCIe 5.0.

FeatureXeon E5-4640 v3Xeon E5-1660 v2
Socket
LGA2011
LGA2011
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR4-1866
Max RAM Capacity
768 GB
RAM Channels
4
ECC Support
PCIe Lanes
40
🔧

Advanced Features

Virtualization: Yes (Xeon E5-4640 v3) / not specified (Xeon E5-1660 v2).

FeatureXeon E5-4640 v3Xeon E5-1660 v2
Integrated GPU
No
AVX-512
No
Virtualization
Yes