Intel Xeon E7-8837 vs Intel Xeon E5-2603

Comparative analysis of Intel Xeon E7-8837 and Intel Xeon E5-2603 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.

Intel Xeon E7-8837

Intel Xeon E5-2603

Differences

Reasons to consider the Intel Xeon E7-8837

4 more cores, run more applications at once: 8 vs 4
4 more threads: 8 vs 4
Around 56% higher clock speed: 2.80 GHz vs 1.8 GHz
10.7x more maximum memory size: 4 TB vs 384 GB
Around 23% better performance in PassMark - Single thread mark: 1073 vs 871
4.2x better performance in PassMark - CPU mark: 17958 vs 4323

Specifications (specs)
Number of cores	8 vs 4
Number of threads	8 vs 4
Maximum frequency	2.80 GHz vs 1.8 GHz
Maximum memory size	4 TB vs 384 GB
Max number of CPUs in a configuration	8 vs 2
Benchmarks
PassMark - Single thread mark	1073 vs 871
PassMark - CPU mark	17958 vs 4323

Reasons to consider the Intel Xeon E5-2603

Around 1% higher maximum core temperature: 70.0°C vs 69°C
Around 63% lower typical power consumption: 80 Watt vs 130 Watt

Maximum core temperature	70.0°C vs 69°C
Thermal Design Power (TDP)	80 Watt vs 130 Watt

Compare benchmarks

CPU 1: Intel Xeon E7-8837
CPU 2: Intel Xeon E5-2603

PassMark - Single thread mark

CPU 1

CPU 2

1073

871

PassMark - CPU mark

CPU 1

CPU 2

17958

4323

Name	Intel Xeon E7-8837	Intel Xeon E5-2603
PassMark - Single thread mark	1073	871
PassMark - CPU mark	17958	4323
Geekbench 4 - Single Core		1771
Geekbench 4 - Multi-Core		5271

Compare specifications (specs)

	Intel Xeon E7-8837	Intel Xeon E5-2603
Essentials
Architecture codename	Westmere EX	Sandy Bridge EP
Launch date	Q2'11	March 2012
Place in performance rating	1653	1635
Processor Number	E7-8837	E5-2603
Series	Intel® Xeon® Processor E7 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$207
Price now		$27.84
Value for money (0-100)		37.88
Performance
64 bit support
Base frequency	2.66 GHz	1.80 GHz
Bus Speed	6.4 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	69°C	70.0°C
Maximum frequency	2.80 GHz	1.8 GHz
Number of cores	8	4
Number of threads	8	4
Die size		294 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Number of QPI Links		2
Transistor count		1270 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
ECC memory support
Maximum memory bandwidth		34.1 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	80 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)