Intel Xeon E3-1245 v3 vs Intel Xeon X5647

Comparative analysis of Intel Xeon E3-1245 v3 and Intel Xeon X5647 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

Intel Xeon E3-1245 v3

Intel Xeon X5647

Differences

Reasons to consider the Intel Xeon E3-1245 v3

CPU is newer: launch date 2 year(s) 3 month(s) later
Around 19% higher clock speed: 3.80 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 55% lower typical power consumption: 84 Watt vs 130 Watt
Around 52% better performance in PassMark - Single thread mark: 2150 vs 1418

Specifications (specs)
Launch date	June 2013 vs February 2011
Maximum frequency	3.80 GHz vs 3.20 GHz
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	84 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	2150 vs 1418

Reasons to consider the Intel Xeon X5647

Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
9x more maximum memory size: 288 GB vs 32 GB
Around 19% better performance in PassMark - CPU mark: 8369 vs 7021

Specifications (specs)
L3 cache	12288 KB (shared) vs 8192 KB (shared)
Maximum memory size	288 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	8369 vs 7021

Compare benchmarks

CPU 1: Intel Xeon E3-1245 v3
CPU 2: Intel Xeon X5647

PassMark - Single thread mark

CPU 1

CPU 2

2150

1418

PassMark - CPU mark

CPU 1

CPU 2

7021

8369

Name	Intel Xeon E3-1245 v3	Intel Xeon X5647
PassMark - Single thread mark	2150	1418
PassMark - CPU mark	7021	8369
Geekbench 4 - Single Core	878
Geekbench 4 - Multi-Core	3283
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	15.571
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	111.82
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.882
GFXBench 4.0 - Car Chase Offscreen (Frames)	561
GFXBench 4.0 - Manhattan (Frames)	2870
GFXBench 4.0 - T-Rex (Frames)	645
GFXBench 4.0 - Car Chase Offscreen (Fps)	561
GFXBench 4.0 - Manhattan (Fps)	2870
GFXBench 4.0 - T-Rex (Fps)	645

Compare specifications (specs)

	Intel Xeon E3-1245 v3	Intel Xeon X5647
Essentials
Architecture codename	Haswell	Westmere EP
Launch date	June 2013	February 2011
Launch price (MSRP)	$320	$175
Place in performance rating	1525	1527
Price now	$339.95	$199.75
Processor Number	E3-1245 v3	X5647
Series	Intel® Xeon® Processor E3 v3 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	8.30	8.82
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.40 GHz	2.93 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	3.80 GHz	3.20 GHz
Number of cores	4	4
Number of QPI Links	0	2
Number of threads	8	8
Transistor count	1400 million	1170 million
Maximum core temperature		80.4°C
VID voltage range		0.750V-1.350V
Memory
ECC memory support
Max memory channels	2	3
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	32 GB	288 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR3 800/1066
Graphics
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.20 GHz
Graphics max frequency	1.2 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 P4600
Graphics interfaces
Number of displays supported	3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	42.5mm X 45mm
Sockets supported	FCLGA1150	FCLGA1366
Thermal Design Power (TDP)	84 Watt	130 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4
Scalability	1S Only
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key 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® AVX2	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)