Core 2 Duo E7500 vs Xeon E5-2666 V3

VS

Aggregate performance score

Xeon E5-2666 V3
2014
10 cores / 20 threads, 135 Watt
8.93
+1140%
Core 2 Duo E7500
2009
2 cores / 2 threads, 65 Watt
0.72

Xeon E5-2666 V3 outperforms Core 2 Duo E7500 by a whopping 1140% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2666 V3 and Core 2 Duo E7500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8582688
Place by popularitynot in top-100not in top-100
Market segmentServerDesktop processor
Power efficiency6.261.05
Architecture codenameHaswell-EP (2014−2015)Wolfdale (2008−2010)
Release date13 November 2014 (10 years ago)10 January 2009 (15 years ago)

Detailed specifications

Xeon E5-2666 V3 and Core 2 Duo E7500 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores10 (Deca-Core)2 (Dual-core)
Threads202
Base clock speed2.9 GHz2.93 GHz
Boost clock speed3.5 GHz0.93 GHz
Bus rateno data1066 MHz
L1 cache64K (per core)64 KB (per core)
L2 cache256K (per core)3 MB (shared)
L3 cache25 MB (shared)0 KB
Chip lithography22 nm45 nm
Die size356 mm282 mm2
Maximum case temperature (TCase)no data74 °C
Number of transistors2,600 million228 million
64 bit support++
Windows 11 compatibilityno data-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Xeon E5-2666 V3 and Core 2 Duo E7500 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration21
Socket2011-3LGA775
Power consumption (TDP)135 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2666 V3 and Core 2 Duo E7500. You'll probably need this information if you require some particular technology.

AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Xeon E5-2666 V3 and Core 2 Duo E7500 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2666 V3 and Core 2 Duo E7500 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2666 V3 and Core 2 Duo E7500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4 2133 MHz Quad-channelDDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Xeon E5-2666 V3 and Core 2 Duo E7500.

PCIe version3.02.0
PCI Express lanes40no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E5-2666 V3 8.93
+1140%
Core 2 Duo E7500 0.72

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon E5-2666 V3 14191
+1142%
Core 2 Duo E7500 1143

Gaming performance

Pros & cons summary


Performance score 8.93 0.72
Recency 13 November 2014 10 January 2009
Physical cores 10 2
Threads 20 2
Chip lithography 22 nm 45 nm
Power consumption (TDP) 135 Watt 65 Watt

Xeon E5-2666 V3 has a 1140.3% higher aggregate performance score, an age advantage of 5 years, 400% more physical cores and 900% more threads, and a 104.5% more advanced lithography process.

Core 2 Duo E7500, on the other hand, has 107.7% lower power consumption.

The Xeon E5-2666 V3 is our recommended choice as it beats the Core 2 Duo E7500 in performance tests.

Be aware that Xeon E5-2666 V3 is a server/workstation processor while Core 2 Duo E7500 is a desktop one.


Should you still have questions on choice between Xeon E5-2666 V3 and Core 2 Duo E7500, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2666 V3
Xeon E5-2666 V3
Intel Core 2 Duo E7500
Core 2 Duo E7500

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Community ratings

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