i7-940 vs Xeon E3-1246 v3

VS

Aggregate performance score

Xeon E3-1246 v3
2014
4 cores / 8 threads, 84 Watt
4.59
+147%
Core i7-940
2008
4 cores / 8 threads, 130 Watt
1.86

Xeon E3-1246 v3 outperforms Core i7-940 by a whopping 147% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1246 v3 and Core i7-940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12911985
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.24
Market segmentServerDesktop processor
Seriesno dataCore i7 (Desktop)
Power efficiency5.171.35
Architecture codenameno dataBloomfield (2008−2010)
Release date1 April 2014 (10 years ago)November 2008 (16 years ago)
Launch price (MSRP)no data$299

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E3-1246 v3 and Core i7-940 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 cores4 (Quad-Core)4 (Quad-Core)
Threads88
Base clock speed3.5 GHz2.93 GHz
Boost clock speed3.9 GHz3.2 GHz
Bus rate5 GT/s1333 MHz
L1 cacheno data64 KB (per core)
L2 cacheno data256 KB (per core)
L3 cache8 MB Intel® Smart Cache8 MB (shared)
Chip lithography22 nm45 nm
Die sizeno data263 mm2
Maximum core temperatureno data68 °C
Number of transistorsno data731 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon E3-1246 v3 and Core i7-940 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 configuration11
SocketFCLGA1150FCLGA1366
Power consumption (TDP)84 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1246 v3 and Core i7-940. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.2
AES-NI+-
Enhanced SpeedStep (EIST)++
My WiFi-no data
Turbo Boost Technology2.01.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Demand Based Switchingno data-
PAEno data36 Bit
FDI+no data
Fast Memory Access+no data

Security technologies

Xeon E3-1246 v3 and Core i7-940 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
Identity Protection+-
OS Guard+no data
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1246 v3 and Core i7-940 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1246 v3 and Core i7-940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3L-1333, DDR3L-1600DDR3
Maximum memory size32 GB24 GB
Max memory channels23
Maximum memory bandwidth25.6 GB/s25.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Max video memory1.7 GBno data
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
Execution Units20no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Xeon E3-1246 v3 and Core i7-940 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
VGA+no data

Graphics image quality

Maximum display resolutions supported by Xeon E3-1246 v3 and Core i7-940 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.43840x2160@60Hzno data
Max resolution over DisplayPort3840x2160@60Hzno data
Max resolution over VGA2880x1800@60Hzno data

Graphics API support

APIs supported by Xeon E3-1246 v3 and Core i7-940 integrated GPUs, sometimes API versions are included.

DirectX11.2no data
OpenGL4.3no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1246 v3 and Core i7-940.

PCIe version3.0no data
PCI Express lanes16no 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 E3-1246 v3 4.59
+147%
i7-940 1.86

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 E3-1246 v3 7292
+147%
i7-940 2947

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon E3-1246 v3 1175
+160%
i7-940 452

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon E3-1246 v3 3617
+132%
i7-940 1557

Gaming performance

Pros & cons summary


Performance score 4.59 1.86
Chip lithography 22 nm 45 nm
Power consumption (TDP) 84 Watt 130 Watt

Xeon E3-1246 v3 has a 146.8% higher aggregate performance score, a 104.5% more advanced lithography process, and 54.8% lower power consumption.

The Xeon E3-1246 v3 is our recommended choice as it beats the Core i7-940 in performance tests.

Be aware that Xeon E3-1246 v3 is a server/workstation processor while Core i7-940 is a desktop one.


Should you still have questions on choice between Xeon E3-1246 v3 and Core i7-940, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1246 v3
Xeon E3-1246 v3
Intel Core i7-940
Core i7-940

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Community ratings

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