Intel Core i7-3940XM vs Intel Xeon E5-2428L

Comparative analysis of Intel Core i7-3940XM and Intel Xeon E5-2428L processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Core i7-3940XM

Intel Xeon E5-2428L

Differences

Reasons to consider the Intel Core i7-3940XM

CPU is newer: launch date 4 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 95% higher clock speed: 3.90 GHz vs 2.00 GHz
Around 18% higher maximum core temperature: 105 °C vs 89°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 9% lower typical power consumption: 55 Watt vs 60 Watt
2.1x better performance in PassMark - Single thread mark: 1919 vs 899

Specifications (specs)
Launch date	30 September 2012 vs May 2012
Unlocked	Unlocked vs Locked
Maximum frequency	3.90 GHz vs 2.00 GHz
Maximum core temperature	105 °C vs 89°C
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	55 Watt vs 60 Watt
Benchmarks
PassMark - Single thread mark	1919 vs 899

Reasons to consider the Intel Xeon E5-2428L

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 88% more L3 cache; more data can be stored in the L3 cache for quick access later
12x more maximum memory size: 384 GB vs 32 GB
Around 46% better performance in PassMark - CPU mark: 8500 vs 5830

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
L1 cache	64 KB (per core) vs 256 KB
L2 cache	256 KB (per core) vs 1024 KB
L3 cache	15360 KB (shared) vs 8192 KB
Maximum memory size	384 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	8500 vs 5830

Compare benchmarks

CPU 1: Intel Core i7-3940XM
CPU 2: Intel Xeon E5-2428L

PassMark - Single thread mark

CPU 1

CPU 2

1919

899

PassMark - CPU mark

CPU 1

CPU 2

5830

8500

Name	Intel Core i7-3940XM	Intel Xeon E5-2428L
PassMark - Single thread mark	1919	899
PassMark - CPU mark	5830	8500
Geekbench 4 - Single Core	741
Geekbench 4 - Multi-Core	2890
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	14.555
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	16.624
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.613
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.454
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.598
GFXBench 4.0 - T-Rex (Frames)	2709
GFXBench 4.0 - T-Rex (Fps)	2709

Compare specifications (specs)

	Intel Core i7-3940XM	Intel Xeon E5-2428L
Essentials
Architecture codename	Ivy Bridge	Sandy Bridge EN
Launch date	30 September 2012	May 2012
Launch price (MSRP)	$1,096
Place in performance rating	2054	2056
Price now	$539
Processor Number	i7-3940XM	E5-2428L
Series	Intel® Core™ X-series Processors	Intel® Xeon® Processor E5 Family
Status	Launched	Launched
Value for money (0-100)	5.08
Vertical segment	Mobile	Embedded
Performance
64 bit support
Base frequency	3.00 GHz	1.80 GHz
Bus Speed	5 GT/s DMI	7.2 GT/s QPI
Die size	160 mm	294 mm
L1 cache	256 KB	64 KB (per core)
L2 cache	1024 KB	256 KB (per core)
L3 cache	8192 KB	15360 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	105 °C	89°C
Maximum frequency	3.90 GHz	2.00 GHz
Number of cores	4	6
Number of threads	8	12
Transistor count	1400 Million	1270 million
Unlocked
Number of QPI Links		1
Memory
Max memory channels	2	3
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32 GB	384 GB
Supported memory types	DDR3/L/-RS 1333/1600	DDR3 800/1066/1333
ECC memory support
Graphics
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.35 GHz
Graphics max frequency	1.35 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel® HD Graphics 4000
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported	3
SDVO
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5 x 37.5mm (rPGA988B)	LGA1356
Sockets supported	FCPGA988	FCLGA1356
Thermal Design Power (TDP)	55 Watt	60 Watt
Peripherals
Max number of PCIe lanes	16	24
PCI Express revision	3.0	Gen 3.0
PCIe configurations	1x16, 2x8, 1x8 2x4	Gen 3.0
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® AVX	1
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)