Intel Xeon E5-2637 vs Intel Xeon E7-8870

Comparative analysis of Intel Xeon E5-2637 and Intel Xeon E7-8870 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.

Intel Xeon E5-2637

Intel Xeon E7-8870

Differences

Reasons to consider the Intel Xeon E5-2637

CPU is newer: launch date 10 month(s) later
Around 25% higher clock speed: 3.50 GHz vs 2.80 GHz
Around 1% higher maximum core temperature: 70.0°C vs 69°C
Around 63% lower typical power consumption: 80 Watt vs 130 Watt
Around 49% better performance in PassMark - Single thread mark: 1654 vs 1110

Specifications (specs)
Launch date	March 2012 vs April 2011
Maximum frequency	3.50 GHz vs 2.80 GHz
Maximum core temperature	70.0°C vs 69°C
Thermal Design Power (TDP)	80 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1654 vs 1110

Reasons to consider the Intel Xeon E7-8870

8 more cores, run more applications at once: 10 vs 2
16 more threads: 20 vs 4
5x more L1 cache, more data can be stored in the L1 cache for quick access later
5x more L2 cache, more data can be stored in the L2 cache for quick access later
6x more L3 cache, more data can be stored in the L3 cache for quick access later
10.7x more maximum memory size: 4 TB vs 384 GB
4.5x better performance in PassMark - CPU mark: 25895 vs 5775

Specifications (specs)
Number of cores	10 vs 2
Number of threads	20 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	30720 KB (shared) vs 5120 KB (shared)
Maximum memory size	4 TB vs 384 GB
Max number of CPUs in a configuration	8 vs 2
Benchmarks
PassMark - CPU mark	25895 vs 5775

Compare benchmarks

CPU 1: Intel Xeon E5-2637
CPU 2: Intel Xeon E7-8870

PassMark - Single thread mark

CPU 1

CPU 2

1654

1110

PassMark - CPU mark

CPU 1

CPU 2

5775

25895

Name	Intel Xeon E5-2637	Intel Xeon E7-8870
PassMark - Single thread mark	1654	1110
PassMark - CPU mark	5775	25895

Compare specifications (specs)

	Intel Xeon E5-2637	Intel Xeon E7-8870
Essentials
Architecture codename	Sandy Bridge EP	Westmere EX
Launch date	March 2012	April 2011
Place in performance rating	1515	1519
Processor Number	E5-2637	E7-8870
Series	Intel® Xeon® Processor E5 Family	Intel® Xeon® Processor E7 Family
Status	Discontinued	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.00 GHz	2.40 GHz
Bus Speed	8 GT/s QPI	6.4 GT/s QPI
Die size	294 mm	513 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	5120 KB (shared)	30720 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	70.0°C	69°C
Maximum frequency	3.50 GHz	2.80 GHz
Number of cores	2	10
Number of QPI Links	2
Number of threads	4	20
Transistor count	1270 million	2600 million
VID voltage range	0.6V - 1.35V
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	51.2 GB/s
Maximum memory size	384 GB	4 TB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	8
Package Size	52.5mm x 45.0mm	49.17mm x 56.47mm
Sockets supported	FCLGA2011	LGA1567
Thermal Design Power (TDP)	80 Watt	130 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
Scalability	2S Only	S8S
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® SSE4.1, 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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)