Intel Xeon E5-2603 v3 vs Intel Xeon 5148

Comparative analysis of Intel Xeon E5-2603 v3 and Intel Xeon 5148 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 E5-2603 v3

Intel Xeon 5148

Differences

Reasons to consider the Intel Xeon E5-2603 v3

4 more cores, run more applications at once: 6 vs 2
Around 26% higher maximum core temperature: 72.8°C vs 58°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 65 nm
Around 7% better performance in PassMark - Single thread mark: 925 vs 868
7.6x better performance in PassMark - CPU mark: 6900 vs 912

Specifications (specs)
Number of cores	6 vs 2
Maximum core temperature	72.8°C vs 58°C
Manufacturing process technology	22 nm vs 65 nm
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	925 vs 868
PassMark - CPU mark	6900 vs 912

Reasons to consider the Intel Xeon 5148

2.1x lower typical power consumption: 40 Watt vs 85 Watt

Thermal Design Power (TDP)	40 Watt vs 85 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2603 v3
CPU 2: Intel Xeon 5148

PassMark - Single thread mark

CPU 1

CPU 2

925

868

PassMark - CPU mark

CPU 1

CPU 2

6900

912

Name	Intel Xeon E5-2603 v3	Intel Xeon 5148
PassMark - Single thread mark	925	868
PassMark - CPU mark	6900	912
Geekbench 4 - Single Core	410
Geekbench 4 - Multi-Core	2164

Compare specifications (specs)

	Intel Xeon E5-2603 v3	Intel Xeon 5148
Essentials
Architecture codename	Haswell	Woodcrest
Launch date	Q3'14	June 2006
Place in performance rating	2444	2466
Processor Number	E5-2603V3	5148
Series	Intel® Xeon® Processor E5 v3 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$9
Price now		$13.13
Value for money (0-100)		35.65
Performance
64 bit support
Base frequency	1.60 GHz	2.33 GHz
Bus Speed	6.4 GT/s QPI	1333 MHz FSB
Manufacturing process technology	22 nm	65 nm
Maximum core temperature	72.8°C	58°C
Number of cores	6	2
Number of QPI Links	2
Number of threads	6
VID voltage range	0.65V–1.30V	1.150V-1.250V
Die size		143 mm2
L2 cache		4096 KB
Maximum frequency		2.33 GHz
Transistor count		291 million
Memory
Max memory channels	4
Maximum memory bandwidth	51 GB/s
Maximum memory size	768 GB
Supported memory types	DDR4 1600	DDR2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	LGA771
Thermal Design Power (TDP)	85 Watt	40 Watt
Scenario Design Power (SDP)		0 W
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
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
Idle States
Instruction set extensions	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit	32-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)