Intel Xeon E5-2670 vs Intel Xeon E5640

Comparative analysis of Intel Xeon E5-2670 and Intel Xeon E5640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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).

Intel Xeon E5-2670

Intel Xeon E5640

Differences

Reasons to consider the Intel Xeon E5-2670

CPU is newer: launch date 2 year(s) 0 month(s) later
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
Around 13% higher clock speed: 3.30 GHz vs 2.93 GHz
Around 3% higher maximum core temperature: 80.0°C vs 77.6°C
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 67% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 33% higher maximum memory size: 384 GB vs 288 GB
Around 19% better performance in PassMark - Single thread mark: 1492 vs 1252
2.1x better performance in PassMark - CPU mark: 15574 vs 7455
Around 26% better performance in Geekbench 4 - Single Core: 602 vs 476
2.1x better performance in Geekbench 4 - Multi-Core: 4635 vs 2185

Specifications (specs)
Launch date	March 2012 vs March 2010
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum frequency	3.30 GHz vs 2.93 GHz
Maximum core temperature	80.0°C vs 77.6°C
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	20480 KB (shared) vs 12288 KB (shared)
Maximum memory size	384 GB vs 288 GB
Benchmarks
PassMark - Single thread mark	1492 vs 1252
PassMark - CPU mark	15574 vs 7455
Geekbench 4 - Single Core	602 vs 476
Geekbench 4 - Multi-Core	4635 vs 2185

Reasons to consider the Intel Xeon E5640

Around 44% lower typical power consumption: 80 Watt vs 115 Watt

Thermal Design Power (TDP)	80 Watt vs 115 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2670
CPU 2: Intel Xeon E5640

PassMark - Single thread mark

CPU 1

CPU 2

1492

1252

PassMark - CPU mark

CPU 1

CPU 2

15574

7455

Geekbench 4 - Single Core

CPU 1

CPU 2

602

476

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4635

2185

Name	Intel Xeon E5-2670	Intel Xeon E5640
PassMark - Single thread mark	1492	1252
PassMark - CPU mark	15574	7455
Geekbench 4 - Single Core	602	476
Geekbench 4 - Multi-Core	4635	2185
3DMark Fire Strike - Physics Score	0
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.119
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	88.939
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.885
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.609
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	8.475

Compare specifications (specs)

	Intel Xeon E5-2670	Intel Xeon E5640
Essentials
Architecture codename	Sandy Bridge EP	Westmere EP
Launch date	March 2012	March 2010
Launch price (MSRP)	$145	$49
Place in performance rating	2206	2222
Price now	$96.48	$59.49
Processor Number	E5-2670	E5640
Series	Intel® Xeon® Processor E5 Family	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	37.05	26.06
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.60 GHz	2.66 GHz
Bus Speed	8 GT/s QPI	5.86 GT/s QPI
Die size	435 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	20480 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	80.0°C	77.6°C
Maximum frequency	3.30 GHz	2.93 GHz
Number of cores	8	4
Number of QPI Links	2	2
Number of threads	16	8
Transistor count	2270 million	1170 million
VID voltage range	0.60V-1.35V	0.750V-1.350V
Memory
ECC memory support
Max memory channels	4	3
Maximum memory bandwidth	51.2 GB/s	25.6 GB/s
Maximum memory size	384 GB	288 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45.0mm	42.5mm X 45mm
Sockets supported	FCLGA2011	FCLGA1366
Thermal Design Power (TDP)	115 Watt	80 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Scalability	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX	Intel® SSE4.2
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
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)