Intel Xeon E3-1225 v2 vs Intel Xeon L5638

Comparative analysis of Intel Xeon E3-1225 v2 and Intel Xeon L5638 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, 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 Xeon E3-1225 v2

Intel Xeon L5638

Differences

Reasons to consider the Intel Xeon E3-1225 v2

CPU is newer: launch date 2 year(s) 2 month(s) later
Around 50% higher clock speed: 3.60 GHz vs 2.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x better performance in PassMark - Single thread mark: 1930 vs 944

Specifications (specs)
Launch date	May 2012 vs March 2010
Maximum frequency	3.60 GHz vs 2.40 GHz
Manufacturing process technology	22 nm vs 32 nm
Benchmarks
PassMark - Single thread mark	1930 vs 944

Reasons to consider the Intel Xeon L5638

2 more cores, run more applications at once: 6 vs 4
8 more threads: 12 vs 4
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 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 28% lower typical power consumption: 60 Watt vs 77 Watt
Around 52% better performance in PassMark - CPU mark: 7217 vs 4746

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 4
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	12288 KB (shared) vs 8192 KB (shared)
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	60 Watt vs 77 Watt
Benchmarks
PassMark - CPU mark	7217 vs 4746

Compare benchmarks

CPU 1: Intel Xeon E3-1225 v2
CPU 2: Intel Xeon L5638

PassMark - Single thread mark

CPU 1

CPU 2

1930

944

PassMark - CPU mark

CPU 1

CPU 2

4746

7217

Name	Intel Xeon E3-1225 v2	Intel Xeon L5638
PassMark - Single thread mark	1930	944
PassMark - CPU mark	4746	7217
Geekbench 4 - Single Core	749
Geekbench 4 - Multi-Core	2543
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	11.153
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	9.581
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.454
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.455
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.15
GFXBench 4.0 - T-Rex (Frames)	2509
GFXBench 4.0 - T-Rex (Fps)	2509

Compare specifications (specs)

	Intel Xeon E3-1225 v2	Intel Xeon L5638
Essentials
Architecture codename	Ivy Bridge	Westmere EP
Launch date	May 2012	March 2010
Launch price (MSRP)	$200	$90
Place in performance rating	2146	2148
Price now	$506.59	$69.90
Processor Number	E3-1225V2	L5638
Series	Intel® Xeon® Processor E3 v2 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Value for money (0-100)	3.98	23.41
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.20 GHz	2.00 GHz
Bus Speed	5 GT/s DMI	5.86 GT/s QPI
Die size	160 mm	239 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	8192 KB (shared)	12288 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.60 GHz	2.40 GHz
Number of cores	4	6
Number of threads	4	12
Transistor count	1400 million	1170 million
Maximum core temperature		85°C
Number of QPI Links		2
VID voltage range		1.0 - 1.5V
Memory
ECC memory support
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32.77 GB
Supported memory types	DDR3 1333/1600	DDR3
Graphics
Graphics base frequency	650 MHz
Graphics max dynamic frequency	1.25 GHz
Graphics max frequency	1.25 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 P4000
Graphics interfaces
Number of displays supported	3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Sockets supported	FCLGA1155	FCLGA1366
Thermal Design Power (TDP)	77 Watt	60 Watt
Peripherals
PCI Express revision	3.0
PCIe configurations	1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
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® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)