i7-3940XM vs Xeon E3-1545M v5

Aggregate performance score

Xeon E3-1545M v5
2016
4 cores / 8 threads, 45 Watt
5.11
+33.8%

Xeon E3-1545M v5 outperforms Core i7-3940XM by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing Xeon E3-1545M v5 and Core i7-3940XM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking12251479
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.42no data
Market segmentServerLaptop
SeriesIntel Xeon E3Intel Core i7
Power efficiency10.356.33
Architecture codenameSkylake-H (2015−2016)Ivy Bridge (2012−2013)
Release date24 January 2016 (8 years ago)3 September 2012 (12 years ago)
Launch price (MSRP)$679$1,096

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E3-1545M v5 and Core i7-3940XM 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 speed2.9 GHz3 GHz
Boost clock speed3.8 GHz3.9 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s5 GT/s
Multiplier29no data
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8 MB (shared)8 MB (shared)
Chip lithography14 nm22 nm
Die size171 mm2160 mm2
Maximum core temperature100 °C105 °C
Number of transistors2,300 million1,400 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Xeon E3-1545M v5 and Core i7-3940XM 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 configuration1 (Uniprocessor)1
SocketFCBGA1440FCPGA988
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1545M v5 and Core i7-3940XM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
eDRAM128 MBno data
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access++
SIPP+-
Smart Response+no data
Demand Based Switchingno data-
FDIno data+
Fast Memory Accessno data+

Security technologies

Xeon E3-1545M v5 and Core i7-3940XM technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
MPX+-
Identity Protection++
SGXYes with Intel® MEno data
OS Guard+no data
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1545M v5 and Core i7-3940XM are enumerated here.

AMD-V++
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1545M v5 and Core i7-3940XM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s25.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel Iris Pro Graphics P580Intel HD Graphics 4000
Max video memory64 GBno data
Quick Sync Video++
Clear Video HD++
Graphics max frequency1.05 GHz1.35 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon E3-1545M v5 and Core i7-3940XM integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI+no data
SDVOno data+
CRTno data+

Graphics image quality

Maximum display resolutions supported by Xeon E3-1545M v5 and Core i7-3940XM integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Xeon E3-1545M v5 and Core i7-3940XM integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.4no data

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1545M v5 and Core i7-3940XM.

PCIe version3.03.0
PCI Express lanes1616

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 E3-1545M v5 5.11
+33.8%
i7-3940XM 3.82

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 E3-1545M v5 7820
+33.9%
i7-3940XM 5840

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 E3-1545M v5 1268
+96.6%
i7-3940XM 645

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 E3-1545M v5 4081
+89.5%
i7-3940XM 2153

Gaming performance

Pros & cons summary


Performance score 5.11 3.82
Integrated graphics card 5.23 1.18
Recency 24 January 2016 3 September 2012
Chip lithography 14 nm 22 nm
Power consumption (TDP) 45 Watt 55 Watt

Xeon E3-1545M v5 has a 33.8% higher aggregate performance score, 343.2% faster integrated GPU, an age advantage of 3 years, a 57.1% more advanced lithography process, and 22.2% lower power consumption.

The Xeon E3-1545M v5 is our recommended choice as it beats the Core i7-3940XM in performance tests.

Be aware that Xeon E3-1545M v5 is a server/workstation processor while Core i7-3940XM is a notebook one.


Should you still have questions on choice between Xeon E3-1545M v5 and Core i7-3940XM, ask them in Comments section, and we shall answer.

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Intel Xeon E3-1545M v5
Xeon E3-1545M v5
Intel Core i7-3940XM
Core i7-3940XM

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Community ratings

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