Intel Xeon E7-8837 vs Intel Xeon E5-2620

Comparative analysis of Intel Xeon E7-8837 and Intel Xeon E5-2620 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, 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 E7-8837

Intel Xeon E5-2620

Differences

Reasons to consider the Intel Xeon E7-8837

2 more cores, run more applications at once: 8 vs 6
Around 12% higher clock speed: 2.80 GHz vs 2.50 GHz
10.7x more maximum memory size: 4 TB vs 384 GB
Around 78% better performance in PassMark - CPU mark: 17333 vs 9720

Specifications (specs)
Number of cores	8 vs 6
Maximum frequency	2.80 GHz vs 2.50 GHz
Maximum memory size	4 TB vs 384 GB
Max number of CPUs in a configuration	8 vs 2
Benchmarks
PassMark - CPU mark	17333 vs 9720

Reasons to consider the Intel Xeon E5-2620

4 more threads: 12 vs 8
Around 12% higher maximum core temperature: 77.4°C vs 69°C
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 12% better performance in PassMark - Single thread mark: 1128 vs 1011

Specifications (specs)
Number of threads	12 vs 8
Maximum core temperature	77.4°C vs 69°C
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1128 vs 1011

Compare benchmarks

CPU 1: Intel Xeon E7-8837
CPU 2: Intel Xeon E5-2620

PassMark - Single thread mark

CPU 1

CPU 2

1011

1128

PassMark - CPU mark

CPU 1

CPU 2

17333

9720

Name	Intel Xeon E7-8837	Intel Xeon E5-2620
PassMark - Single thread mark	1011	1128
PassMark - CPU mark	17333	9720
Geekbench 4 - Single Core		451
Geekbench 4 - Multi-Core		2805
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		26.433
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		139.281
CompuBench 1.5 Desktop - T-Rex (Frames/s)		1.292
CompuBench 1.5 Desktop - Video Composition (Frames/s)		6.286
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		35.214

Compare specifications (specs)

	Intel Xeon E7-8837	Intel Xeon E5-2620
Essentials
Architecture codename	Westmere EX	Sandy Bridge EP
Launch date	Q2'11	March 2012
Place in performance rating	1638	1620
Processor Number	E7-8837	E5-2620
Series	Intel® Xeon® Processor E7 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$36
Price now		$34.65
Value for money (0-100)		67.37
Performance
64 bit support
Base frequency	2.66 GHz	2.00 GHz
Bus Speed	6.4 GT/s QPI	7.2 GT/s QPI
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69°C	77.4°C
Maximum frequency	2.80 GHz	2.50 GHz
Number of cores	8	6
Number of threads	8	12
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		15360 KB (shared)
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
Max memory channels	4	4
Maximum memory size	4 TB	384 GB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR3 800/1066/1333
ECC memory support
Maximum memory bandwidth		42.6 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	8	2
Package Size	49.17mm x 56.47mm	52.5mm x 45.0mm
Sockets supported	LGA1567	FCLGA2011
Thermal Design Power (TDP)	130 Watt	95 Watt
Peripherals
Scalability	S8S	2S Only
Max number of PCIe lanes		40
PCI Express revision		3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Idle States
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)